From f9fb64ad45a4e76fb926f683f517baff61447768 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:07:09 -0500
Subject: [PATCH 01/34] Fix compile issues, enable GitHub Actions

---
 .github/workflows/test.yml | 37 +++++++++++++++++++++++++++++++++++++
 .pre-commit-config.yaml    | 15 +++++++++++++++
 CMakeLists.txt             |  2 +-
 CODE_OF_CONDUCT.md         |  1 -
 doc/runtime.md             |  1 -
 tests/CMakeLists.txt       |  9 +++------
 tests/cuda/CMakeLists.txt  | 16 +---------------
 7 files changed, 57 insertions(+), 24 deletions(-)
 create mode 100644 .github/workflows/test.yml
 create mode 100644 .pre-commit-config.yaml

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..41ed941
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,37 @@
+name: test
+
+on:
+    pull_request:
+
+    push:
+        branches:
+            - main
+
+    workflow_call:
+
+concurrency:
+    group: "${{ github.workflow }}-${{ github.ref }}"
+    cancel-in-progress: true
+
+jobs:
+    build-cuda:
+        name: build
+        runs-on: ubuntu-24.04
+        container:
+            image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+        strategy:
+            fail-fast: false
+            matrix:
+                cuda: ["12.8.1", "13.1.1"]
+        steps:
+            - name: Checkout code
+              uses: actions/checkout@v6
+            - name: Configure
+              run: |
+                  cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+            - name: Build
+              run: |
+                  cmake --build build
+            - name: Install
+              run: |
+                  cmake --install build
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..7b78b65
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,15 @@
+ci:
+  autofix_prs: false
+  autoupdate_schedule: quarterly
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v6.0.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: mixed-line-ending
+      - id: requirements-txt-fixer
+      - id: trailing-whitespace
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 79cf2d2..ac4eebb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 # Maintainer: mphoward
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.18)
 
 project(hipper VERSION 0.2.0 LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 14)
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 12da96d..177569e 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -125,4 +125,3 @@ enforcement ladder](https://github.com/mozilla/diversity).
 For answers to common questions about this code of conduct, see the FAQ at
 https://www.contributor-covenant.org/faq. Translations are available at
 https://www.contributor-covenant.org/translations.
-
diff --git a/doc/runtime.md b/doc/runtime.md
index 10d7e61..21a4f3b 100644
--- a/doc/runtime.md
+++ b/doc/runtime.md
@@ -376,4 +376,3 @@
 | `cudaProfilerStop`                    | `hipProfilerStop`                 | `hipper::profilerStop`\*              |
 
 \*: feature only available with `HIPPER_USE_DEPRECATED`.
-
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 2959b6e..b4ca37c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -14,14 +14,11 @@ set(HIPPER_TEST_LABELS
     CUB
 )
 
-# look for catch quietly, and pull down v2.12.2 if not found
-if(POLICY CMP0074)
-    cmake_policy(SET CMP0074 NEW)
-endif()
-find_package(Catch2 QUIET)
+# look for catch quietly, and pull down v2.13.10 if not found
+find_package(Catch2 2 QUIET)
 if(NOT Catch2_FOUND)
     message(STATUS "Downloading Catch2...")
-    set(url https://github.com/catchorg/Catch2/releases/download/v2.12.2/catch.hpp)
+    set(url https://github.com/catchorg/Catch2/releases/download/v2.13.10/catch.hpp)
     file(DOWNLOAD ${url} "${CMAKE_CURRENT_BINARY_DIR}/catch2/catch.hpp" STATUS status)
     list(GET status 0 error)
     if(error)
diff --git a/tests/cuda/CMakeLists.txt b/tests/cuda/CMakeLists.txt
index c6ebd23..f75ddf1 100644
--- a/tests/cuda/CMakeLists.txt
+++ b/tests/cuda/CMakeLists.txt
@@ -16,21 +16,7 @@ target_link_libraries(test_hipper_cuda PRIVATE hipper::hipper Catch2::Catch2)
 target_compile_definitions(test_hipper_cuda PRIVATE HIPPER_CUDA)
 
 # set cuda architectures for build
-if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.18)
-    set_property(TARGET test_hipper_cuda PROPERTY CUDA_ARCHITECTURES 60-real 70)
-else()
-    set(CUDA_ARCHITECTURES "60;70")
-    set(TEST_NVCC_OPTIONS )
-    foreach(_arch ${CUDA_ARCHITECTURES})
-        set(TEST_NVCC_OPTIONS "${TEST_NVCC_OPTIONS} -gencode=arch=compute_${_arch},code=sm_${_arch}")
-    endforeach()
-    set(_sorted_arches ${CUDA_ARCHITECTURES})
-    list(SORT _sorted_arches)
-    list(REVERSE _sorted_arches)
-    list(GET _sorted_arches 0 _max_arch)
-    set(TEST_NVCC_OPTIONS "${TEST_NVCC_OPTIONS} -gencode=arch=compute_${_max_arch},code=compute_${_max_arch}")
-    set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} ${TEST_NVCC_OPTIONS}")
-endif()
+set_property(TARGET test_hipper_cuda PROPERTY CUDA_ARCHITECTURES 75)
 
 foreach(label ${HIPPER_TEST_LABELS})
     add_test(NAME hipper-cuda-${label} COMMAND test_hipper_cuda "[${label}]")

From dcac8c56d8f35199f9b949f20c1ee4823a7b0ada Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:11:12 -0500
Subject: [PATCH 02/34] Add cmake dependency

---
 .github/workflows/test.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 41ed941..22b7f03 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
     build-cuda:
-        name: build
+        name: build [CUDA ${{ matrix.cuda }}]
         runs-on: ubuntu-24.04
         container:
             image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
@@ -24,6 +24,10 @@ jobs:
             matrix:
                 cuda: ["12.8.1", "13.1.1"]
         steps:
+            - name: Setup environment
+              run: |
+                  apt-get update
+                  apt-get install --yes cmake
             - name: Checkout code
               uses: actions/checkout@v6
             - name: Configure

From 89b8d560c88309222390daea2d43cdb2a6313fd3 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:13:54 -0500
Subject: [PATCH 03/34] Set C++17 as minimum

---
 .github/workflows/test.yml | 4 ++--
 CMakeLists.txt             | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 22b7f03..c4ef169 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -15,7 +15,7 @@ concurrency:
 
 jobs:
     build-cuda:
-        name: build [CUDA ${{ matrix.cuda }}]
+        name: CUDA ${{ matrix.cuda }}
         runs-on: ubuntu-24.04
         container:
             image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
@@ -24,7 +24,7 @@ jobs:
             matrix:
                 cuda: ["12.8.1", "13.1.1"]
         steps:
-            - name: Setup environment
+            - name: Install dependencies
               run: |
                   apt-get update
                   apt-get install --yes cmake
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac4eebb..0755e63 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
 cmake_minimum_required(VERSION 3.18)
 
 project(hipper VERSION 0.2.0 LANGUAGES CXX)
-set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD 17)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/tools")
 
 # check if hipper is being used directly or via add_subdirectory

From afe24fa9ae3fc3b974e255964bb261e69b2c9ee4 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:24:29 -0500
Subject: [PATCH 04/34] Add additional CUDA versions

---
 .github/workflows/test.yml | 64 +++++++++++++++++++-------------------
 1 file changed, 32 insertions(+), 32 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c4ef169..02867c5 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,41 +1,41 @@
 name: test
 
 on:
-    pull_request:
+  pull_request:
 
-    push:
-        branches:
-            - main
+  push:
+    branches:
+      - main
 
-    workflow_call:
+  workflow_call:
 
 concurrency:
-    group: "${{ github.workflow }}-${{ github.ref }}"
-    cancel-in-progress: true
+  group: "${{ github.workflow }}-${{ github.ref }}"
+  cancel-in-progress: true
 
 jobs:
-    build-cuda:
-        name: CUDA ${{ matrix.cuda }}
-        runs-on: ubuntu-24.04
-        container:
-            image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
-        strategy:
-            fail-fast: false
-            matrix:
-                cuda: ["12.8.1", "13.1.1"]
-        steps:
-            - name: Install dependencies
-              run: |
-                  apt-get update
-                  apt-get install --yes cmake
-            - name: Checkout code
-              uses: actions/checkout@v6
-            - name: Configure
-              run: |
-                  cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
-            - name: Build
-              run: |
-                  cmake --build build
-            - name: Install
-              run: |
-                  cmake --install build
+  build-cuda:
+    name: CUDA ${{ matrix.cuda }}
+    runs-on: ubuntu-24.04
+    container:
+      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
+    steps:
+      - name: Install dependencies
+        run: |
+          apt-get update
+          apt-get install --yes cmake
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Configure
+        run: |
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+      - name: Build
+        run: |
+          cmake --build build
+      - name: Install
+        run: |
+          cmake --install build

From 788ecb40a41b658f73a9e312eef073d6d748841f Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:38:21 -0500
Subject: [PATCH 05/34] Try testing only HIP

---
 .github/workflows/test.yml | 44 ++++++++++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 02867c5..5b4da29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,20 +14,46 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build-cuda:
-    name: CUDA ${{ matrix.cuda }}
+  # build-cuda:
+  #   name: CUDA ${{ matrix.cuda }}
+  #   runs-on: ubuntu-24.04
+  #   container:
+  #     image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
+  #   steps:
+  #     - name: Install dependencies
+  #       run: |
+  #         apt-get update
+  #         apt-get install --yes cmake
+  #     - name: Checkout code
+  #       uses: actions/checkout@v6
+  #     - name: Configure
+  #       run: |
+  #         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+  #     - name: Build
+  #       run: |
+  #         cmake --build build
+  #     - name: Install
+  #       run: |
+  #         cmake --install build
+
+  build-hip:
+    name: HIP 7.2
     runs-on: ubuntu-24.04
-    container:
-      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
     steps:
       - name: Install dependencies
         run: |
           apt-get update
-          apt-get install --yes cmake
+          apt-get install cmake python3-setuptools python3-wheel
+      - name: Install HIP
+        run: |
+          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
+          sudo apt install ./amdgpu-install.deb
+          sudo usermod -a -G render,video $LOGNAME
+          sudo apt install rocm
       - name: Checkout code
         uses: actions/checkout@v6
       - name: Configure

From 5abfbbd9ff1f66599e6caaeb45a567a165eb9b82 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:39:24 -0500
Subject: [PATCH 06/34] Try running apt differently

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5b4da29..7fd3cab 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -46,8 +46,8 @@ jobs:
     steps:
       - name: Install dependencies
         run: |
-          apt-get update
-          apt-get install cmake python3-setuptools python3-wheel
+          apt update
+          apt install --yes cmake python3-setuptools python3-wheel
       - name: Install HIP
         run: |
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb

From b9ff253417b25202d596a72618f3648e5bb0b0ac Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:40:54 -0500
Subject: [PATCH 07/34] Try running different order

---
 .github/workflows/test.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7fd3cab..9a8f0e8 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -44,18 +44,18 @@ jobs:
     name: HIP 7.2
     runs-on: ubuntu-24.04
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v6
       - name: Install dependencies
         run: |
-          apt update
-          apt install --yes cmake python3-setuptools python3-wheel
+          apt-get update
+          apt-get install cmake python3-setuptools python3-wheel
       - name: Install HIP
         run: |
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
           sudo apt install ./amdgpu-install.deb
           sudo usermod -a -G render,video $LOGNAME
           sudo apt install rocm
-      - name: Checkout code
-        uses: actions/checkout@v6
       - name: Configure
         run: |
           cmake -S . -B build -DCMAKE_BUILD_TYPE=Release

From c79e73a2609aec91e1415aadeacdb0e0046c5702 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:42:48 -0500
Subject: [PATCH 08/34] Try simpler

---
 .github/workflows/test.yml | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9a8f0e8..237cfb6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,19 +49,19 @@ jobs:
       - name: Install dependencies
         run: |
           apt-get update
-          apt-get install cmake python3-setuptools python3-wheel
-      - name: Install HIP
-        run: |
-          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
-          sudo apt install ./amdgpu-install.deb
-          sudo usermod -a -G render,video $LOGNAME
-          sudo apt install rocm
-      - name: Configure
-        run: |
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
-      - name: Build
-        run: |
-          cmake --build build
-      - name: Install
-        run: |
-          cmake --install build
+          apt-get install --yes cmake python3-setuptools python3-wheel
+      # - name: Install HIP
+      #   run: |
+      #     wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
+      #     sudo apt install ./amdgpu-install.deb
+      #     sudo usermod -a -G render,video $LOGNAME
+      #     sudo apt install rocm
+      # - name: Configure
+      #   run: |
+      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+      # - name: Build
+      #   run: |
+      #     cmake --build build
+      # - name: Install
+      #   run: |
+      #     cmake --install build

From 4683e19618b559019165a7a3eacd1659b2ceb3b8 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:43:39 -0500
Subject: [PATCH 09/34] Use sudo

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 237cfb6..5bfae7e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -48,8 +48,8 @@ jobs:
         uses: actions/checkout@v6
       - name: Install dependencies
         run: |
-          apt-get update
-          apt-get install --yes cmake python3-setuptools python3-wheel
+          sudo apt-get update
+          sudo apt-get install --yes cmake python3-setuptools python3-wheel
       # - name: Install HIP
       #   run: |
       #     wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb

From 4aab01835bfc7d779237b992771c7e227873ced9 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:44:30 -0500
Subject: [PATCH 10/34] Try rocm again

---
 .github/workflows/test.yml | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 5bfae7e..4c1431f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,12 +50,12 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install --yes cmake python3-setuptools python3-wheel
-      # - name: Install HIP
-      #   run: |
-      #     wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
-      #     sudo apt install ./amdgpu-install.deb
-      #     sudo usermod -a -G render,video $LOGNAME
-      #     sudo apt install rocm
+      - name: Install HIP
+        run: |
+          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
+          sudo apt-get install --yes ./amdgpu-install.deb
+          sudo usermod -a -G render,video $LOGNAME
+          sudo apt-get install --yes rocm
       # - name: Configure
       #   run: |
       #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release

From e259a3ce8d4cbe41c99800533904036d700ef194 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 15:56:27 -0500
Subject: [PATCH 11/34] Try building HIP from source

---
 .github/workflows/test.yml | 82 +++++++++++++++++---------------------
 1 file changed, 37 insertions(+), 45 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4c1431f..95da0e9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,54 +14,46 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # build-cuda:
-  #   name: CUDA ${{ matrix.cuda }}
-  #   runs-on: ubuntu-24.04
-  #   container:
-  #     image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
-  #   strategy:
-  #     fail-fast: false
-  #     matrix:
-  #       cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
-  #   steps:
-  #     - name: Install dependencies
-  #       run: |
-  #         apt-get update
-  #         apt-get install --yes cmake
-  #     - name: Checkout code
-  #       uses: actions/checkout@v6
-  #     - name: Configure
-  #       run: |
-  #         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
-  #     - name: Build
-  #       run: |
-  #         cmake --build build
-  #     - name: Install
-  #       run: |
-  #         cmake --install build
-
-  build-hip:
-    name: HIP 7.2
+  build-cuda:
+    name: CUDA ${{ matrix.cuda }}, ROCm ${{ matrix.rocm }}
     runs-on: ubuntu-24.04
+    container:
+      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        #cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
+        cuda: ["12.8.1"]
+        rocm: ["7.2.0"]
     steps:
+      - name: Install build dependencies
+        run: |
+          apt-get update
+          apt-get install --yes cmake
+      - name: Clone HIP
+        uses: actions/checkout@v6
+        with:
+          repository: ROCm/rocm-systems
+          ref: rocm-${{ matrix.rocm }}
+          path: rocm-systems
+      - name: Install HIP
+        run: |
+          export CLR_DIR="$(readlink -f rocm-systems/projects/clr)"
+          export HIP_DIR="$(readlink -f rocm-systems/projects/hip)"
+          export HIP_OTHER="$(readlink -f rocm-systems/projects/hipother)"
+          cd "$CLR_DIR"
+          mkdir build
+          cd build
+          cmake -DHIP_COMMON_DIR=$HIP_DIR -DHIP_PLATFORM=nvidia -DCLR_BUILD_HIP=ON -DCLR_BUILD_OCL=OFF -DHIPNV_DIR=$HIP_OTHER/hipnv ..
+          make install
       - name: Checkout code
         uses: actions/checkout@v6
-      - name: Install dependencies
+      - name: Configure
         run: |
-          sudo apt-get update
-          sudo apt-get install --yes cmake python3-setuptools python3-wheel
-      - name: Install HIP
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+      - name: Build
+        run: |
+          cmake --build build
+      - name: Install
         run: |
-          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb -O amdgpu-install.deb
-          sudo apt-get install --yes ./amdgpu-install.deb
-          sudo usermod -a -G render,video $LOGNAME
-          sudo apt-get install --yes rocm
-      # - name: Configure
-      #   run: |
-      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
-      # - name: Build
-      #   run: |
-      #     cmake --build build
-      # - name: Install
-      #   run: |
-      #     cmake --install build
+          cmake --install build

From 8fece4b149a64dfcf98b0d66146404080446e65d Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:09:27 -0500
Subject: [PATCH 12/34] Try changing CMake setup

---
 .github/workflows/test.yml |  2 +-
 CMakeLists.txt             |  2 +-
 tests/hip/CMakeLists.txt   | 21 +++++++++------------
 3 files changed, 11 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 95da0e9..66bdfce 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v6
       - name: Configure
         run: |
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
       - name: Build
         run: |
           cmake --build build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0755e63..d349b6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 
 # Maintainer: mphoward
 
-cmake_minimum_required(VERSION 3.18)
+cmake_minimum_required(VERSION 3.28)
 
 project(hipper VERSION 0.2.0 LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 17)
diff --git a/tests/hip/CMakeLists.txt b/tests/hip/CMakeLists.txt
index 263039b..f749566 100644
--- a/tests/hip/CMakeLists.txt
+++ b/tests/hip/CMakeLists.txt
@@ -2,25 +2,22 @@
 # Copyright (c) 2021, Auburn University
 # This file is released under the Modified BSD License.
 
-if(NOT DEFINED HIP_PATH)
-    if(NOT DEFINED ENV{HIP_PATH})
-        set(HIP_PATH "/opt/rocm/hip" CACHE PATH "Path to which HIP has been installed")
-    else()
-        set(HIP_PATH $ENV{HIP_PATH} CACHE PATH "Path to which HIP has been installed")
-    endif()
-endif()
-set(CMAKE_MODULE_PATH "${HIP_PATH}/cmake" ${CMAKE_MODULE_PATH})
-
-find_package(HIP QUIET)
-if(NOT HIP_FOUND)
+include(CheckLanguage)
+check_language(HIP)
+if(NOT CMAKE_HIP_COMPILER)
     message(STATUS "No HIP compiler, skipping HIP tests.")
     return()
+else()
+    enable_language(HIP)
 endif()
 
-hip_add_executable(test_hipper_hip ${HIPPER_TEST_FILES})
+add_executable(test_hipper_hip ${HIPPER_TEST_FILES} LANGUAGES HIP)
 target_link_libraries(test_hipper_hip PRIVATE hipper::hipper Catch2::Catch2)
 target_compile_definitions(test_hipper_hip PRIVATE HIPPER_HIP)
 
+# set cuda architectures for build
+set_property(TARGET test_hipper_hip PROPERTY HIP_PLATFORM nvidia HIP_ARCHITECTURES 75)
+
 foreach(label ${HIPPER_TEST_LABELS})
     add_test(NAME hipper-hip-${label} COMMAND test_hipper_hip "[${label}]")
 endforeach()

From 89437c7425487b27a6ff260266707c6b1c7c559b Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:27:49 -0500
Subject: [PATCH 13/34] Try package manager again

---
 .github/workflows/test.yml | 42 +++++++++++++++-----------------------
 1 file changed, 17 insertions(+), 25 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 66bdfce..eb9e410 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,30 +30,22 @@ jobs:
         run: |
           apt-get update
           apt-get install --yes cmake
-      - name: Clone HIP
-        uses: actions/checkout@v6
-        with:
-          repository: ROCm/rocm-systems
-          ref: rocm-${{ matrix.rocm }}
-          path: rocm-systems
       - name: Install HIP
         run: |
-          export CLR_DIR="$(readlink -f rocm-systems/projects/clr)"
-          export HIP_DIR="$(readlink -f rocm-systems/projects/hip)"
-          export HIP_OTHER="$(readlink -f rocm-systems/projects/hipother)"
-          cd "$CLR_DIR"
-          mkdir build
-          cd build
-          cmake -DHIP_COMMON_DIR=$HIP_DIR -DHIP_PLATFORM=nvidia -DCLR_BUILD_HIP=ON -DCLR_BUILD_OCL=OFF -DHIPNV_DIR=$HIP_OTHER/hipnv ..
-          make install
-      - name: Checkout code
-        uses: actions/checkout@v6
-      - name: Configure
-        run: |
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
-      - name: Build
-        run: |
-          cmake --build build
-      - name: Install
-        run: |
-          cmake --install build
+          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
+          apt-get install ./amdgpu-install_7.2.70200-1_all.deb
+          apt-get update
+          apt-get install python3-setuptools python3-wheel
+          usermod -a -G render,video $LOGNAME
+          apt-get install rocm
+      # - name: Checkout code
+      #   uses: actions/checkout@v6
+      # - name: Configure
+      #   run: |
+      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
+      # - name: Build
+      #   run: |
+      #     cmake --build build
+      # - name: Install
+      #   run: |
+      #     cmake --install build

From 69c1cacdd2993fadfe3b258f4e0c7afa2db426b5 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:30:11 -0500
Subject: [PATCH 14/34] Try package manager again

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index eb9e410..bf06cf1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Install build dependencies
         run: |
           apt-get update
-          apt-get install --yes cmake
+          apt-get install --yes cmake wget
       - name: Install HIP
         run: |
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb

From 5db09f000b233e64423164bbd8b3509a789b63f4 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:34:26 -0500
Subject: [PATCH 15/34] Back to separate tests

---
 .github/workflows/test.yml | 63 ++++++++++++++++++++------------------
 1 file changed, 33 insertions(+), 30 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bf06cf1..bd16ded 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,38 +14,41 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  build-cuda:
-    name: CUDA ${{ matrix.cuda }}, ROCm ${{ matrix.rocm }}
+  # build-cuda:
+  #   name: CUDA ${{ matrix.cuda }}
+  #   runs-on: ubuntu-24.04
+  #   container:
+  #     image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+  #   strategy:
+  #     fail-fast: false
+  #     matrix:
+  #       cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
+  #   steps:
+  #     - name: Install build dependencies
+  #       run: |
+  #         apt-get update
+  #         apt-get install --yes cmake
+  #     - name: Checkout code
+  #       uses: actions/checkout@v6
+  #     - name: Configure
+  #       run: |
+  #         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
+  #     - name: Build
+  #       run: |
+  #         cmake --build build
+  #     - name: Install
+  #       run: |
+  #         cmake --install build
+
+  build-hip:
+    name: ROCm 7.2
     runs-on: ubuntu-24.04
-    container:
-      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
-    strategy:
-      fail-fast: false
-      matrix:
-        #cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
-        cuda: ["12.8.1"]
-        rocm: ["7.2.0"]
     steps:
       - name: Install build dependencies
-        run: |
-          apt-get update
-          apt-get install --yes cmake wget
-      - name: Install HIP
         run: |
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
-          apt-get install ./amdgpu-install_7.2.70200-1_all.deb
-          apt-get update
-          apt-get install python3-setuptools python3-wheel
-          usermod -a -G render,video $LOGNAME
-          apt-get install rocm
-      # - name: Checkout code
-      #   uses: actions/checkout@v6
-      # - name: Configure
-      #   run: |
-      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
-      # - name: Build
-      #   run: |
-      #     cmake --build build
-      # - name: Install
-      #   run: |
-      #     cmake --install build
+          sudo apt-get install --yes ./amdgpu-install_7.2.70200-1_all.deb
+          sudo apt-get update
+          sudo apt-get install --yes cmake python3-setuptools python3-wheel
+          sudo usermod -a -G render,video $LOGNAME
+          sudo apt-get install --yes rocm

From 0286f4b3d122153d5aaf6cb871b8fe9a8bddd2ec Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:43:08 -0500
Subject: [PATCH 16/34] Try stripping down to just HIP SDK

---
 .github/workflows/test.yml | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index bd16ded..d2c98a2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -44,11 +44,34 @@ jobs:
     name: ROCm 7.2
     runs-on: ubuntu-24.04
     steps:
-      - name: Install build dependencies
+      - name: Install ROCm
         run: |
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
           sudo apt-get install --yes ./amdgpu-install_7.2.70200-1_all.deb
           sudo apt-get update
-          sudo apt-get install --yes cmake python3-setuptools python3-wheel
+          sudo apt-get install --yes python3-setuptools python3-wheel
           sudo usermod -a -G render,video $LOGNAME
-          sudo apt-get install --yes rocm
+          sudo apt-get install --yes rocm-hip-sdk
+
+          sudo tee --append /etc/ld.so.conf.d/rocm.conf <<EOF
+          /opt/rocm/lib
+          /opt/rocm/lib64
+          EOF
+          sudo ldconfig
+
+          export PATH=$PATH:/opt/rocm-7.2.0/bin
+          export LD_LIBRARY_PATH=/opt/rocm-7.2.0/lib
+      - name: Install build dependencies
+        run: |
+          sudo apt-get install --yes cmake
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Configure
+        run: |
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
+      - name: Build
+        run: |
+          cmake --build build
+      - name: Install
+        run: |
+          cmake --install build

From 73033ab92f7de36ede6efbb897ed715f859aff81 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 16:44:49 -0500
Subject: [PATCH 17/34] Get even leaner

---
 .github/workflows/test.yml | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d2c98a2..2b715fd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -49,8 +49,6 @@ jobs:
           wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
           sudo apt-get install --yes ./amdgpu-install_7.2.70200-1_all.deb
           sudo apt-get update
-          sudo apt-get install --yes python3-setuptools python3-wheel
-          sudo usermod -a -G render,video $LOGNAME
           sudo apt-get install --yes rocm-hip-sdk
 
           sudo tee --append /etc/ld.so.conf.d/rocm.conf <<EOF
@@ -64,14 +62,14 @@ jobs:
       - name: Install build dependencies
         run: |
           sudo apt-get install --yes cmake
-      - name: Checkout code
-        uses: actions/checkout@v6
-      - name: Configure
-        run: |
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
-      - name: Build
-        run: |
-          cmake --build build
-      - name: Install
-        run: |
-          cmake --install build
+      # - name: Checkout code
+      #   uses: actions/checkout@v6
+      # - name: Configure
+      #   run: |
+      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
+      # - name: Build
+      #   run: |
+      #     cmake --build build
+      # - name: Install
+      #   run: |
+      #     cmake --install build

From cef51605a22613c0af93fa767200cc7085c681e5 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 21:20:26 -0500
Subject: [PATCH 18/34] Refactor tests

---
 .github/actions/build-install.yml | 23 ++++++++++++
 .github/workflows/test.yml        | 60 ++++++++++---------------------
 CMakeLists.txt                    | 14 ++++----
 tests/CMakeLists.txt              | 23 +++++++++---
 tests/cuda/CMakeLists.txt         | 23 ------------
 tests/hip/CMakeLists.txt          | 23 ------------
 6 files changed, 67 insertions(+), 99 deletions(-)
 create mode 100644 .github/actions/build-install.yml
 delete mode 100644 tests/cuda/CMakeLists.txt
 delete mode 100644 tests/hip/CMakeLists.txt

diff --git a/.github/actions/build-install.yml b/.github/actions/build-install.yml
new file mode 100644
index 0000000..e3c6082
--- /dev/null
+++ b/.github/actions/build-install.yml
@@ -0,0 +1,23 @@
+name: "Build and install"
+inputs:
+  platform:
+    description: "Platform for building tests [nvidia, amd]"
+    required: true
+    default: ""
+runs:
+  using: "composite"
+  steps:
+    - name: Install build dependencies
+      run: |
+        sudo apt-get install --yes cmake
+    - name: Checkout code
+      uses: actions/checkout@v6
+    - name: Configure
+      run: |
+        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
+    - name: Build
+      run: |
+        cmake --build build
+    - name: Install
+      run: |
+        cmake --install build
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2b715fd..4dfbd01 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,31 +14,20 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  # build-cuda:
-  #   name: CUDA ${{ matrix.cuda }}
-  #   runs-on: ubuntu-24.04
-  #   container:
-  #     image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
-  #   strategy:
-  #     fail-fast: false
-  #     matrix:
-  #       cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
-  #   steps:
-  #     - name: Install build dependencies
-  #       run: |
-  #         apt-get update
-  #         apt-get install --yes cmake
-  #     - name: Checkout code
-  #       uses: actions/checkout@v6
-  #     - name: Configure
-  #       run: |
-  #         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
-  #     - name: Build
-  #       run: |
-  #         cmake --build build
-  #     - name: Install
-  #       run: |
-  #         cmake --install build
+  build-cuda:
+    name: CUDA ${{ matrix.cuda }}
+    runs-on: ubuntu-24.04
+    container:
+      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        cuda: ["12.8.1"]
+    steps:
+      - name: Build and install
+        uses: ./.github/actions/build-install
+        with:
+          platform: "nvidia"
 
   build-hip:
     name: ROCm 7.2
@@ -56,20 +45,7 @@ jobs:
           /opt/rocm/lib64
           EOF
           sudo ldconfig
-
-          export PATH=$PATH:/opt/rocm-7.2.0/bin
-          export LD_LIBRARY_PATH=/opt/rocm-7.2.0/lib
-      - name: Install build dependencies
-        run: |
-          sudo apt-get install --yes cmake
-      # - name: Checkout code
-      #   uses: actions/checkout@v6
-      # - name: Configure
-      #   run: |
-      #     cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH=/opt/rocm
-      # - name: Build
-      #   run: |
-      #     cmake --build build
-      # - name: Install
-      #   run: |
-      #     cmake --install build
+      - name: Build and install
+        uses: ./.github/actions/build-install
+        with:
+          platform: "amd"
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d349b6a..c5aa776 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     set(HIPPER_MASTER_PROJECT ON)
 endif()
 option(HIPPER_INSTALL "Install hipper files?" ${HIPPER_MASTER_PROJECT})
-option(HIPPER_TEST "Build hipper tests?" ${HIPPER_MASTER_PROJECT})
+set(HIPPER_TEST_PLATFORM "" CACHE STRING "Platform for hipper tests [nvidia, amd]")
 
 # header-only targets
 include(GNUInstallDirs)
@@ -25,12 +25,6 @@ add_library(hipper::hipper ALIAS hipper)
 target_include_directories(hipper INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>
                                             $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 
-# add tests
-if(HIPPER_TEST)
-    enable_testing()
-    add_subdirectory(tests)
-endif()
-
 # install headers
 if(HIPPER_INSTALL)
     include(CMakePackageConfigHelpers)
@@ -54,3 +48,9 @@ if(HIPPER_INSTALL)
             NAMESPACE hipper::
             DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/cmake/hipper)
 endif()
+
+# add tests
+if(HIPPER_TEST_PLATFORM)
+    enable_testing()
+    add_subdirectory(tests)
+endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index b4ca37c..6cb8ed3 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,6 +2,15 @@
 # Copyright (c) 2021, Auburn University
 # This file is released under the Modified BSD License.
 
+# enable the language used for testing
+if(HIPPER_TEST_PLATFORM STREQUAL "nvidia")
+    enable_language(CUDA)
+elseif(HIPPER_TEST_PLATFORM STREQUAL "amd")
+    enable_language(HIP)
+else()
+    message(FATAL_ERROR "HIPPER_TEST_PLATFORM value ${HIPPER_TEST_PLATFORM} not recognized, must be nvidia or amd")
+endif()
+
 # the list of all source files
 set(HIPPER_TEST_FILES
     test_hipper.cc
@@ -28,8 +37,14 @@ if(NOT Catch2_FOUND)
     find_package(Catch2 REQUIRED)
 endif()
 
-# set full path to files for use in subdirectories
-list(TRANSFORM HIPPER_TEST_FILES PREPEND "${CMAKE_CURRENT_LIST_DIR}/")
+add_executable(test_hipper ${HIPPER_TEST_FILES})
+target_link_libraries(test_hipper PRIVATE hipper::hipper Catch2::Catch2)
+if(HIPPER_TEST_PLATFORM STREQUAL "nvidia")
+    target_compile_definitions(test_hipper PRIVATE HIPPER_CUDA)
+elseif(HIPPER_TEST_PLATFORM STREQUAL "amd")
+    target_compile_definitions(test_hipper PRIVATE HIPPER_HIP)
+endif()
 
-add_subdirectory(cuda)
-add_subdirectory(hip)
+foreach(label ${HIPPER_TEST_LABELS})
+    add_test(NAME hipper-${label} COMMAND test_hipper "[${label}]")
+endforeach()
diff --git a/tests/cuda/CMakeLists.txt b/tests/cuda/CMakeLists.txt
deleted file mode 100644
index f75ddf1..0000000
--- a/tests/cuda/CMakeLists.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright (c) 2020, Michael P. Howard
-# Copyright (c) 2021, Auburn University
-# This file is released under the Modified BSD License.
-
-include(CheckLanguage)
-check_language(CUDA)
-if(NOT CMAKE_CUDA_COMPILER)
-    message(STATUS "No CUDA compiler, skipping CUDA tests.")
-    return()
-else()
-    enable_language(CUDA)
-endif()
-
-add_executable(test_hipper_cuda ${HIPPER_TEST_FILES})
-target_link_libraries(test_hipper_cuda PRIVATE hipper::hipper Catch2::Catch2)
-target_compile_definitions(test_hipper_cuda PRIVATE HIPPER_CUDA)
-
-# set cuda architectures for build
-set_property(TARGET test_hipper_cuda PROPERTY CUDA_ARCHITECTURES 75)
-
-foreach(label ${HIPPER_TEST_LABELS})
-    add_test(NAME hipper-cuda-${label} COMMAND test_hipper_cuda "[${label}]")
-endforeach()
diff --git a/tests/hip/CMakeLists.txt b/tests/hip/CMakeLists.txt
deleted file mode 100644
index f749566..0000000
--- a/tests/hip/CMakeLists.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright (c) 2020, Michael P. Howard
-# Copyright (c) 2021, Auburn University
-# This file is released under the Modified BSD License.
-
-include(CheckLanguage)
-check_language(HIP)
-if(NOT CMAKE_HIP_COMPILER)
-    message(STATUS "No HIP compiler, skipping HIP tests.")
-    return()
-else()
-    enable_language(HIP)
-endif()
-
-add_executable(test_hipper_hip ${HIPPER_TEST_FILES} LANGUAGES HIP)
-target_link_libraries(test_hipper_hip PRIVATE hipper::hipper Catch2::Catch2)
-target_compile_definitions(test_hipper_hip PRIVATE HIPPER_HIP)
-
-# set cuda architectures for build
-set_property(TARGET test_hipper_hip PROPERTY HIP_PLATFORM nvidia HIP_ARCHITECTURES 75)
-
-foreach(label ${HIPPER_TEST_LABELS})
-    add_test(NAME hipper-hip-${label} COMMAND test_hipper_hip "[${label}]")
-endforeach()

From f75f917e8fb6664f252a0ddbd9c267fb93006165 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 21:28:19 -0500
Subject: [PATCH 19/34] Put action in right spot

---
 .github/actions/{build-install.yml => build-install/action.yml} | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename .github/actions/{build-install.yml => build-install/action.yml} (100%)

diff --git a/.github/actions/build-install.yml b/.github/actions/build-install/action.yml
similarity index 100%
rename from .github/actions/build-install.yml
rename to .github/actions/build-install/action.yml

From 23af090861db0dcb489e4bc10c95ad89aa4f2104 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 21:41:08 -0500
Subject: [PATCH 20/34] Continue to try to improve actions

---
 .github/actions/build-install/action.yml |  7 +++++--
 .github/workflows/test.yml               | 21 ++++++++++++++++++---
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/.github/actions/build-install/action.yml b/.github/actions/build-install/action.yml
index e3c6082..2ceca59 100644
--- a/.github/actions/build-install/action.yml
+++ b/.github/actions/build-install/action.yml
@@ -1,4 +1,5 @@
 name: "Build and install"
+description: "Build and install hipper"
 inputs:
   platform:
     description: "Platform for building tests [nvidia, amd]"
@@ -10,14 +11,16 @@ runs:
     - name: Install build dependencies
       run: |
         sudo apt-get install --yes cmake
-    - name: Checkout code
-      uses: actions/checkout@v6
+      shell: bash
     - name: Configure
       run: |
         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
+      shell: bash
     - name: Build
       run: |
         cmake --build build
+      shell: bash
     - name: Install
       run: |
         cmake --install build
+      shell: bash
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4dfbd01..6d6b399 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,19 +24,33 @@ jobs:
       matrix:
         cuda: ["12.8.1"]
     steps:
+      - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
         with:
           platform: "nvidia"
 
   build-hip:
-    name: ROCm 7.2
+    name: ROCm ${{ matrix.rocm }}
     runs-on: ubuntu-24.04
+    strategy:
+      fail-fast: false
+      matrix:
+        rocm: ["7.2"]
     steps:
+      - name: Determine ROCm repository
+        id: set-rocm-repo
+        run: |
+          case "${{ matrix.rocm }}"
+          7.2)
+            echo "rocmdeb=https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb" >> $GITHUB_OUTPUT;;
+          *)
+            echo "Unknown ROCm version" && exit 1;;
+          esac
       - name: Install ROCm
         run: |
-          wget https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
-          sudo apt-get install --yes ./amdgpu-install_7.2.70200-1_all.deb
+          wget ${{ steps.set-rocm-repo.outputs.rocmdeb }} -O amdgpu-install.deb
+          sudo apt-get install --yes ./amdgpu-install.deb
           sudo apt-get update
           sudo apt-get install --yes rocm-hip-sdk
 
@@ -45,6 +59,7 @@ jobs:
           /opt/rocm/lib64
           EOF
           sudo ldconfig
+      - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
         with:

From f503a92cc686bc5212719a42015952e47542ebcb Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:02:23 -0500
Subject: [PATCH 21/34] Get repo from file

---
 .github/actions/build-install/action.yml |  4 ----
 .github/workflows/radeon-repo.txt        |  1 +
 .github/workflows/test.yml               | 21 ++++++++++++++-------
 3 files changed, 15 insertions(+), 11 deletions(-)
 create mode 100644 .github/workflows/radeon-repo.txt

diff --git a/.github/actions/build-install/action.yml b/.github/actions/build-install/action.yml
index 2ceca59..07f6d8c 100644
--- a/.github/actions/build-install/action.yml
+++ b/.github/actions/build-install/action.yml
@@ -8,10 +8,6 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: Install build dependencies
-      run: |
-        sudo apt-get install --yes cmake
-      shell: bash
     - name: Configure
       run: |
         cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
diff --git a/.github/workflows/radeon-repo.txt b/.github/workflows/radeon-repo.txt
new file mode 100644
index 0000000..f76e505
--- /dev/null
+++ b/.github/workflows/radeon-repo.txt
@@ -0,0 +1 @@
+7.2  https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6d6b399..c1c5831 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,6 +24,9 @@ jobs:
       matrix:
         cuda: ["12.8.1"]
     steps:
+      - name: Install build dependencies
+        run: |
+          sudo apt-get install --yes cmake
       - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
@@ -38,17 +41,18 @@ jobs:
       matrix:
         rocm: ["7.2"]
     steps:
-      - name: Determine ROCm repository
+      - name: Find ROCm repository
         id: set-rocm-repo
         run: |
-          case "${{ matrix.rocm }}"
-          7.2)
-            echo "rocmdeb=https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb" >> $GITHUB_OUTPUT;;
-          *)
-            echo "Unknown ROCm version" && exit 1;;
-          esac
+          rocmdeb=$(grep "^${{ matrix.rocm }} " radeon-repo.txt | awk '{print $2}')
+          if [[ -n $rocmdeb ]]; then
+            echo "rocmdeb=$rocmdeb" >> $GITHUB_OUTPUT
+          else
+            echo "Unknown ROCm version" && exit 1
+          fi
       - name: Install ROCm
         run: |
+
           wget ${{ steps.set-rocm-repo.outputs.rocmdeb }} -O amdgpu-install.deb
           sudo apt-get install --yes ./amdgpu-install.deb
           sudo apt-get update
@@ -59,6 +63,9 @@ jobs:
           /opt/rocm/lib64
           EOF
           sudo ldconfig
+      - name: Install build dependencies
+        run: |
+          sudo apt-get install --yes cmake
       - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install

From 2ff867ddb1333207ac5502ab710e3056c97bb8e3 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:04:47 -0500
Subject: [PATCH 22/34] Fix yml errors

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c1c5831..371adee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,7 +26,7 @@ jobs:
     steps:
       - name: Install build dependencies
         run: |
-          sudo apt-get install --yes cmake
+          apt-get install --yes cmake
       - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
@@ -44,7 +44,7 @@ jobs:
       - name: Find ROCm repository
         id: set-rocm-repo
         run: |
-          rocmdeb=$(grep "^${{ matrix.rocm }} " radeon-repo.txt | awk '{print $2}')
+          rocmdeb=$(grep "^${{ matrix.rocm }} " ./.github/workflows/radeon-repo.txt | awk '{print $2}')
           if [[ -n $rocmdeb ]]; then
             echo "rocmdeb=$rocmdeb" >> $GITHUB_OUTPUT
           else

From ad446ec3389c7280114dc9345ca2e190690d5689 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:06:30 -0500
Subject: [PATCH 23/34] Checkout first

---
 .github/workflows/test.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 371adee..1ea0f6d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,10 +24,10 @@ jobs:
       matrix:
         cuda: ["12.8.1"]
     steps:
+      - uses: actions/checkout@v6
       - name: Install build dependencies
         run: |
           apt-get install --yes cmake
-      - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
         with:
@@ -41,6 +41,7 @@ jobs:
       matrix:
         rocm: ["7.2"]
     steps:
+      - uses: actions/checkout@v6
       - name: Find ROCm repository
         id: set-rocm-repo
         run: |
@@ -66,7 +67,6 @@ jobs:
       - name: Install build dependencies
         run: |
           sudo apt-get install --yes cmake
-      - uses: actions/checkout@v6
       - name: Build and install
         uses: ./.github/actions/build-install
         with:

From 6ac7d265e8d6ab5a612fd8082e3080b9dc494213 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:08:31 -0500
Subject: [PATCH 24/34] Update apt

---
 .github/workflows/test.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1ea0f6d..6fc2f7e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,6 +27,7 @@ jobs:
       - uses: actions/checkout@v6
       - name: Install build dependencies
         run: |
+          apt-get update
           apt-get install --yes cmake
       - name: Build and install
         uses: ./.github/actions/build-install

From 4eb59e2c332aa69e5153bdec095272d4a22d13f7 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:15:06 -0500
Subject: [PATCH 25/34] More improvements

---
 .github/actions/build-install/action.yml | 5 ++++-
 .github/workflows/test.yml               | 6 ++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/actions/build-install/action.yml b/.github/actions/build-install/action.yml
index 07f6d8c..9c67088 100644
--- a/.github/actions/build-install/action.yml
+++ b/.github/actions/build-install/action.yml
@@ -10,7 +10,10 @@ runs:
   steps:
     - name: Configure
       run: |
-        cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
+        cmake -S . -B build \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
+          -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
       shell: bash
     - name: Build
       run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6fc2f7e..06b3765 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,8 @@ jobs:
       matrix:
         cuda: ["12.8.1"]
     steps:
-      - uses: actions/checkout@v6
+      - name: Checkout code
+        uses: actions/checkout@v6
       - name: Install build dependencies
         run: |
           apt-get update
@@ -42,7 +43,8 @@ jobs:
       matrix:
         rocm: ["7.2"]
     steps:
-      - uses: actions/checkout@v6
+      - name: Checkout code
+        uses: actions/checkout@v6
       - name: Find ROCm repository
         id: set-rocm-repo
         run: |

From 00d5d97d32725389ade3e161a83e7c7e98d7ab69 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:18:42 -0500
Subject: [PATCH 26/34] Don't use separate action

---
 .github/actions/build-install/action.yml | 25 ------------------
 .github/workflows/test.yml               | 33 ++++++++++++++++++------
 2 files changed, 25 insertions(+), 33 deletions(-)
 delete mode 100644 .github/actions/build-install/action.yml

diff --git a/.github/actions/build-install/action.yml b/.github/actions/build-install/action.yml
deleted file mode 100644
index 9c67088..0000000
--- a/.github/actions/build-install/action.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-name: "Build and install"
-description: "Build and install hipper"
-inputs:
-  platform:
-    description: "Platform for building tests [nvidia, amd]"
-    required: true
-    default: ""
-runs:
-  using: "composite"
-  steps:
-    - name: Configure
-      run: |
-        cmake -S . -B build \
-          -DCMAKE_BUILD_TYPE=Release \
-          -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
-          -DHIPPER_TEST_PLATFORM=${{ inputs.platform }}
-      shell: bash
-    - name: Build
-      run: |
-        cmake --build build
-      shell: bash
-    - name: Install
-      run: |
-        cmake --install build
-      shell: bash
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 06b3765..915b01e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,10 +30,19 @@ jobs:
         run: |
           apt-get update
           apt-get install --yes cmake
-      - name: Build and install
-        uses: ./.github/actions/build-install
-        with:
-          platform: "nvidia"
+      - name: Configure
+        run: |
+          cmake -S . -B build \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
+            -DHIPPER_TEST_PLATFORM=nvidia
+            -DCMAKE_CUDA_ARCHITECTURES=80
+      - name: Build
+        run: |
+          cmake --build build
+      - name: Install
+        run: |
+          cmake --install build
 
   build-hip:
     name: ROCm ${{ matrix.rocm }}
@@ -70,7 +79,15 @@ jobs:
       - name: Install build dependencies
         run: |
           sudo apt-get install --yes cmake
-      - name: Build and install
-        uses: ./.github/actions/build-install
-        with:
-          platform: "amd"
+      - name: Configure
+        run: |
+          cmake -S . -B build \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
+            -DHIPPER_TEST_PLATFORM=amd
+      - name: Build
+        run: |
+          cmake --build build
+      - name: Install
+        run: |
+          cmake --install build

From 38b8b58feb8a90811c48c5d648b16edae36fcd82 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Thu, 12 Mar 2026 22:21:30 -0500
Subject: [PATCH 27/34] Add missing backslash

---
 .github/workflows/test.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 915b01e..854b686 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -35,7 +35,7 @@ jobs:
           cmake -S . -B build \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
-            -DHIPPER_TEST_PLATFORM=nvidia
+            -DHIPPER_TEST_PLATFORM=nvidia \
             -DCMAKE_CUDA_ARCHITECTURES=80
       - name: Build
         run: |

From 9c709b4709ebcac476cd51d3d002c9157eaf16ea Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 20:12:10 -0500
Subject: [PATCH 28/34] Test multiple versions

---
 .github/rocm/6.0.3.txt            |  1 +
 .github/rocm/6.1.4.txt            |  1 +
 .github/rocm/6.2.4.txt            |  1 +
 .github/rocm/6.3.4.txt            |  1 +
 .github/rocm/6.4.4.txt            |  1 +
 .github/rocm/7.0.3.txt            |  1 +
 .github/rocm/7.1.1.txt            |  1 +
 .github/rocm/7.2.0.txt            |  1 +
 .github/workflows/radeon-repo.txt |  1 -
 .github/workflows/test.yml        | 32 ++++++++++++++++++++++++-------
 CMakeLists.txt                    |  2 +-
 tests/CMakeLists.txt              | 12 ++++--------
 12 files changed, 38 insertions(+), 17 deletions(-)
 create mode 100644 .github/rocm/6.0.3.txt
 create mode 100644 .github/rocm/6.1.4.txt
 create mode 100644 .github/rocm/6.2.4.txt
 create mode 100644 .github/rocm/6.3.4.txt
 create mode 100644 .github/rocm/6.4.4.txt
 create mode 100644 .github/rocm/7.0.3.txt
 create mode 100644 .github/rocm/7.1.1.txt
 create mode 100644 .github/rocm/7.2.0.txt
 delete mode 100644 .github/workflows/radeon-repo.txt

diff --git a/.github/rocm/6.0.3.txt b/.github/rocm/6.0.3.txt
new file mode 100644
index 0000000..60e4e0c
--- /dev/null
+++ b/.github/rocm/6.0.3.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/6.0.3/ubuntu/jammy/amdgpu-install_6.0.60003-1_all.deb
diff --git a/.github/rocm/6.1.4.txt b/.github/rocm/6.1.4.txt
new file mode 100644
index 0000000..120ba9f
--- /dev/null
+++ b/.github/rocm/6.1.4.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/6.1.4/ubuntu/jammy/amdgpu-install_6.1.60104-1_all.deb
diff --git a/.github/rocm/6.2.4.txt b/.github/rocm/6.2.4.txt
new file mode 100644
index 0000000..6de4820
--- /dev/null
+++ b/.github/rocm/6.2.4.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/6.2.4/ubuntu/noble/amdgpu-install_6.2.60204-1_all.deb
diff --git a/.github/rocm/6.3.4.txt b/.github/rocm/6.3.4.txt
new file mode 100644
index 0000000..a2343a8
--- /dev/null
+++ b/.github/rocm/6.3.4.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/6.3.4/ubuntu/noble/amdgpu-install_6.3.60304-1_all.deb
diff --git a/.github/rocm/6.4.4.txt b/.github/rocm/6.4.4.txt
new file mode 100644
index 0000000..0b54ea8
--- /dev/null
+++ b/.github/rocm/6.4.4.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/6.4.4/ubuntu/noble/amdgpu-install_6.4.60404-1_all.deb
diff --git a/.github/rocm/7.0.3.txt b/.github/rocm/7.0.3.txt
new file mode 100644
index 0000000..b6137bd
--- /dev/null
+++ b/.github/rocm/7.0.3.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/7.0.3/ubuntu/noble/amdgpu-install_7.0.3.70003-1_all.deb
diff --git a/.github/rocm/7.1.1.txt b/.github/rocm/7.1.1.txt
new file mode 100644
index 0000000..b885a14
--- /dev/null
+++ b/.github/rocm/7.1.1.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/7.1.1/ubuntu/noble/amdgpu-install_7.1.1.70101-1_all.deb
diff --git a/.github/rocm/7.2.0.txt b/.github/rocm/7.2.0.txt
new file mode 100644
index 0000000..5a124c1
--- /dev/null
+++ b/.github/rocm/7.2.0.txt
@@ -0,0 +1 @@
+https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
diff --git a/.github/workflows/radeon-repo.txt b/.github/workflows/radeon-repo.txt
deleted file mode 100644
index f76e505..0000000
--- a/.github/workflows/radeon-repo.txt
+++ /dev/null
@@ -1 +0,0 @@
-7.2  https://repo.radeon.com/amdgpu-install/7.2/ubuntu/noble/amdgpu-install_7.2.70200-1_all.deb
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 854b686..b90f623 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,7 +22,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        cuda: ["12.8.1"]
+        cuda:
+          ["12.4.1", "12.5.1", "12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -35,7 +36,7 @@ jobs:
           cmake -S . -B build \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
-            -DHIPPER_TEST_PLATFORM=nvidia \
+            -DHIPPER_TEST_PLATFORM=CUDA \
             -DCMAKE_CUDA_ARCHITECTURES=80
       - name: Build
         run: |
@@ -46,19 +47,36 @@ jobs:
 
   build-hip:
     name: ROCm ${{ matrix.rocm }}
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-${{ matrix.ubuntu }}
     strategy:
       fail-fast: false
       matrix:
-        rocm: ["7.2"]
+        include:
+          - rocm: "6.0.3"
+            ubuntu: "22.04"
+          - rocm: "6.1.4"
+            ubuntu: "22.04"
+          - rocm: "6.2.4"
+            ubuntu: "24.04"
+          - rocm: "6.3.4"
+            ubuntu: "24.04"
+          - rocm: "6.4.4"
+            ubuntu: "24.04"
+          - rocm: "7.0.3"
+            ubuntu: "24.04"
+          - rocm: "7.1.1"
+            ubuntu: "24.04"
+          - rocm: "7.2.0"
+            ubuntu: "24.04"
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
       - name: Find ROCm repository
         id: set-rocm-repo
         run: |
-          rocmdeb=$(grep "^${{ matrix.rocm }} " ./.github/workflows/radeon-repo.txt | awk '{print $2}')
-          if [[ -n $rocmdeb ]]; then
+          rocmfile=./.github/rocm/${{ matrix.rocm }}.txt
+          if [[ -f $rocmfile ]]; then
+            rocmdeb=$(cat $rocmfile)
             echo "rocmdeb=$rocmdeb" >> $GITHUB_OUTPUT
           else
             echo "Unknown ROCm version" && exit 1
@@ -84,7 +102,7 @@ jobs:
           cmake -S . -B build \
             -DCMAKE_BUILD_TYPE=Release \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
-            -DHIPPER_TEST_PLATFORM=amd
+            -DHIPPER_TEST_PLATFORM=HIP
       - name: Build
         run: |
           cmake --build build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5aa776..1093506 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
     set(HIPPER_MASTER_PROJECT ON)
 endif()
 option(HIPPER_INSTALL "Install hipper files?" ${HIPPER_MASTER_PROJECT})
-set(HIPPER_TEST_PLATFORM "" CACHE STRING "Platform for hipper tests [nvidia, amd]")
+set(HIPPER_TEST_PLATFORM "" CACHE STRING "Platform for hipper tests [CUDA, HIP]")
 
 # header-only targets
 include(GNUInstallDirs)
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6cb8ed3..7452457 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -3,12 +3,12 @@
 # This file is released under the Modified BSD License.
 
 # enable the language used for testing
-if(HIPPER_TEST_PLATFORM STREQUAL "nvidia")
+if(HIPPER_TEST_PLATFORM STREQUAL "CUDA")
     enable_language(CUDA)
-elseif(HIPPER_TEST_PLATFORM STREQUAL "amd")
+elseif(HIPPER_TEST_PLATFORM STREQUAL "HIP")
     enable_language(HIP)
 else()
-    message(FATAL_ERROR "HIPPER_TEST_PLATFORM value ${HIPPER_TEST_PLATFORM} not recognized, must be nvidia or amd")
+    message(FATAL_ERROR "HIPPER_TEST_PLATFORM value ${HIPPER_TEST_PLATFORM} not recognized, must be CUDA or HIP")
 endif()
 
 # the list of all source files
@@ -39,11 +39,7 @@ endif()
 
 add_executable(test_hipper ${HIPPER_TEST_FILES})
 target_link_libraries(test_hipper PRIVATE hipper::hipper Catch2::Catch2)
-if(HIPPER_TEST_PLATFORM STREQUAL "nvidia")
-    target_compile_definitions(test_hipper PRIVATE HIPPER_CUDA)
-elseif(HIPPER_TEST_PLATFORM STREQUAL "amd")
-    target_compile_definitions(test_hipper PRIVATE HIPPER_HIP)
-endif()
+target_compile_definitions(test_hipper PRIVATE HIPPER_${HIPPER_TEST_PLATFORM})
 
 foreach(label ${HIPPER_TEST_LABELS})
     add_test(NAME hipper-${label} COMMAND test_hipper "[${label}]")

From 6380ab4b0ec56f0dd3ac5b4de7fb5281faa4d1cf Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 20:25:11 -0500
Subject: [PATCH 29/34] Try to fix sparse errors

---
 .github/workflows/test.yml | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b90f623..84f5977 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,12 +18,25 @@ jobs:
     name: CUDA ${{ matrix.cuda }}
     runs-on: ubuntu-24.04
     container:
-      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
+      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu${{ matrix.ubuntu }}
     strategy:
       fail-fast: false
       matrix:
-        cuda:
-          ["12.4.1", "12.5.1", "12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
+        include:
+          - cuda: "12.4.1"
+            ubuntu: "22.04"
+          - cuda: "12.5.1"
+            ubuntu: "24.04"
+          - cuda: "12.6.3"
+            ubuntu: "24.04"
+          - cuda: "12.8.1"
+            ubuntu: "24.04"
+          - cuda: "12.9.1"
+            ubuntu: "24.04"
+          - cuda: "13.0.2"
+            ubuntu: "24.04"
+          - cuda: "13.1.1"
+            ubuntu: "24.04"
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -94,6 +107,11 @@ jobs:
           /opt/rocm/lib64
           EOF
           sudo ldconfig
+
+          # inject rocm 7.1.1 onto path
+          if [[ "${{ matrix.rocm }}" == "7.1.1" ]]; then
+            echo "/opt/rocm-7.1.1/bin" >> $GITHUB_PATH
+          fi
       - name: Install build dependencies
         run: |
           sudo apt-get install --yes cmake

From 4e0e3d50050640377b4b162df8b6cf711ec69bff Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 20:43:26 -0500
Subject: [PATCH 30/34] Try removing or fixing failing actions

---
 .github/rocm/6.0.3.txt     |  1 -
 .github/rocm/6.1.4.txt     |  1 -
 .github/workflows/test.yml | 42 ++++++--------------------------------
 3 files changed, 6 insertions(+), 38 deletions(-)
 delete mode 100644 .github/rocm/6.0.3.txt
 delete mode 100644 .github/rocm/6.1.4.txt

diff --git a/.github/rocm/6.0.3.txt b/.github/rocm/6.0.3.txt
deleted file mode 100644
index 60e4e0c..0000000
--- a/.github/rocm/6.0.3.txt
+++ /dev/null
@@ -1 +0,0 @@
-https://repo.radeon.com/amdgpu-install/6.0.3/ubuntu/jammy/amdgpu-install_6.0.60003-1_all.deb
diff --git a/.github/rocm/6.1.4.txt b/.github/rocm/6.1.4.txt
deleted file mode 100644
index 120ba9f..0000000
--- a/.github/rocm/6.1.4.txt
+++ /dev/null
@@ -1 +0,0 @@
-https://repo.radeon.com/amdgpu-install/6.1.4/ubuntu/jammy/amdgpu-install_6.1.60104-1_all.deb
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 84f5977..b783d8d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,25 +18,11 @@ jobs:
     name: CUDA ${{ matrix.cuda }}
     runs-on: ubuntu-24.04
     container:
-      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu${{ matrix.ubuntu }}
+      image: nvidia/cuda:${{ matrix.cuda }}-devel-ubuntu24.04
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - cuda: "12.4.1"
-            ubuntu: "22.04"
-          - cuda: "12.5.1"
-            ubuntu: "24.04"
-          - cuda: "12.6.3"
-            ubuntu: "24.04"
-          - cuda: "12.8.1"
-            ubuntu: "24.04"
-          - cuda: "12.9.1"
-            ubuntu: "24.04"
-          - cuda: "13.0.2"
-            ubuntu: "24.04"
-          - cuda: "13.1.1"
-            ubuntu: "24.04"
+        cuda: ["12.6.3", "12.8.1", "12.9.1", "13.0.2", "13.1.1"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -60,27 +46,11 @@ jobs:
 
   build-hip:
     name: ROCm ${{ matrix.rocm }}
-    runs-on: ubuntu-${{ matrix.ubuntu }}
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
-        include:
-          - rocm: "6.0.3"
-            ubuntu: "22.04"
-          - rocm: "6.1.4"
-            ubuntu: "22.04"
-          - rocm: "6.2.4"
-            ubuntu: "24.04"
-          - rocm: "6.3.4"
-            ubuntu: "24.04"
-          - rocm: "6.4.4"
-            ubuntu: "24.04"
-          - rocm: "7.0.3"
-            ubuntu: "24.04"
-          - rocm: "7.1.1"
-            ubuntu: "24.04"
-          - rocm: "7.2.0"
-            ubuntu: "24.04"
+        rocm: ["6.2.4", "6.3.4", "6.4.4", "7.0.3", "7.1.1", "7.2.0"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -108,9 +78,9 @@ jobs:
           EOF
           sudo ldconfig
 
-          # inject rocm 7.1.1 onto path
+          # try to force root for this defective installation
           if [[ "${{ matrix.rocm }}" == "7.1.1" ]]; then
-            echo "/opt/rocm-7.1.1/bin" >> $GITHUB_PATH
+            echo "CMAKE_HIP_COMPILER_ROCM_ROOT=/opt/rocm-${{ matrix.rocm }}" >> $GITHUB_ENV
           fi
       - name: Install build dependencies
         run: |

From 7a825de3cd8a133f811b938e72e000e9f86ac5b4 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 20:49:46 -0500
Subject: [PATCH 31/34] Remove ROCm 7.1.1

---
 .github/rocm/7.1.1.txt     | 1 -
 .github/workflows/test.yml | 8 ++------
 2 files changed, 2 insertions(+), 7 deletions(-)
 delete mode 100644 .github/rocm/7.1.1.txt

diff --git a/.github/rocm/7.1.1.txt b/.github/rocm/7.1.1.txt
deleted file mode 100644
index b885a14..0000000
--- a/.github/rocm/7.1.1.txt
+++ /dev/null
@@ -1 +0,0 @@
-https://repo.radeon.com/amdgpu-install/7.1.1/ubuntu/noble/amdgpu-install_7.1.1.70101-1_all.deb
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b783d8d..40f6474 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -50,7 +50,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        rocm: ["6.2.4", "6.3.4", "6.4.4", "7.0.3", "7.1.1", "7.2.0"]
+        # 7.1.1 skipped because the repository did not work
+        rocm: ["6.2.4", "6.3.4", "6.4.4", "7.0.3", "7.2.0"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v6
@@ -77,11 +78,6 @@ jobs:
           /opt/rocm/lib64
           EOF
           sudo ldconfig
-
-          # try to force root for this defective installation
-          if [[ "${{ matrix.rocm }}" == "7.1.1" ]]; then
-            echo "CMAKE_HIP_COMPILER_ROCM_ROOT=/opt/rocm-${{ matrix.rocm }}" >> $GITHUB_ENV
-          fi
       - name: Install build dependencies
         run: |
           sudo apt-get install --yes cmake

From 172cd26cb33a34963d212f9d4536facbe6704a61 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 20:54:34 -0500
Subject: [PATCH 32/34] Try to force HIP compilation

---
 .github/workflows/test.yml | 1 -
 tests/CMakeLists.txt       | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 40f6474..d988479 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -67,7 +67,6 @@ jobs:
           fi
       - name: Install ROCm
         run: |
-
           wget ${{ steps.set-rocm-repo.outputs.rocmdeb }} -O amdgpu-install.deb
           sudo apt-get install --yes ./amdgpu-install.deb
           sudo apt-get update
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 7452457..6a9b31c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -40,6 +40,9 @@ endif()
 add_executable(test_hipper ${HIPPER_TEST_FILES})
 target_link_libraries(test_hipper PRIVATE hipper::hipper Catch2::Catch2)
 target_compile_definitions(test_hipper PRIVATE HIPPER_${HIPPER_TEST_PLATFORM})
+if (HIPPER_TEST_PLATFORM STREQUAL "HIP")
+    set_source_files_properties(${HIPPER_TEST_FILES} PROPERTIES LANGUAGE HIP)
+endif()
 
 foreach(label ${HIPPER_TEST_LABELS})
     add_test(NAME hipper-${label} COMMAND test_hipper "[${label}]")

From ae0f343496160a8471f8a0eb54f0597e6c275ec2 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 21:00:46 -0500
Subject: [PATCH 33/34] Warnings as errors

---
 .github/workflows/test.yml | 2 ++
 tests/CMakeLists.txt       | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d988479..d66f2d3 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -34,6 +34,7 @@ jobs:
         run: |
           cmake -S . -B build \
             -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_COMPILE_WARNING_AS_ERROR=ON \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
             -DHIPPER_TEST_PLATFORM=CUDA \
             -DCMAKE_CUDA_ARCHITECTURES=80
@@ -84,6 +85,7 @@ jobs:
         run: |
           cmake -S . -B build \
             -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_COMPILE_WARNING_AS_ERROR=ON \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/install \
             -DHIPPER_TEST_PLATFORM=HIP
       - name: Build
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 6a9b31c..ce5931c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -38,11 +38,11 @@ if(NOT Catch2_FOUND)
 endif()
 
 add_executable(test_hipper ${HIPPER_TEST_FILES})
-target_link_libraries(test_hipper PRIVATE hipper::hipper Catch2::Catch2)
-target_compile_definitions(test_hipper PRIVATE HIPPER_${HIPPER_TEST_PLATFORM})
 if (HIPPER_TEST_PLATFORM STREQUAL "HIP")
     set_source_files_properties(${HIPPER_TEST_FILES} PROPERTIES LANGUAGE HIP)
 endif()
+target_link_libraries(test_hipper PRIVATE hipper::hipper Catch2::Catch2)
+target_compile_definitions(test_hipper PRIVATE HIPPER_${HIPPER_TEST_PLATFORM})
 
 foreach(label ${HIPPER_TEST_LABELS})
     add_test(NAME hipper-${label} COMMAND test_hipper "[${label}]")

From 59a7088252589890eda4ce2decc21f732632b6e7 Mon Sep 17 00:00:00 2001
From: Michael Howard <mphoward@auburn.edu>
Date: Tue, 17 Mar 2026 21:07:40 -0500
Subject: [PATCH 34/34] Discard results of CUB calls

---
 tests/test_cub.cu | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/test_cub.cu b/tests/test_cub.cu
index 3dafe4f..2c4465b 100644
--- a/tests/test_cub.cu
+++ b/tests/test_cub.cu
@@ -23,11 +23,11 @@ TEST_CASE("CUB operations", "[CUB]")
     // size temporary memory
     void *tmp = NULL;
     size_t tmp_bytes = 0;
-    hipper::cub::DeviceReduce::Sum(tmp,tmp_bytes,a,total,N);
+    static_cast<void>(hipper::cub::DeviceReduce::Sum(tmp,tmp_bytes,a,total,N));
     REQUIRE_SUCCESS(hipper::mallocManaged(reinterpret_cast<void**>(&tmp), tmp_bytes));
 
     // take sum
-    hipper::cub::DeviceReduce::Sum(tmp,tmp_bytes,a,total,N);
+    static_cast<void>(hipper::cub::DeviceReduce::Sum(tmp,tmp_bytes,a,total,N));
     REQUIRE_SUCCESS(hipper::deviceSynchronize());
 
     // check output