nix upd + O3 flag added + gui option rm

Author: haykh

CMakeLists.txt

@@ -47,9 +47,6 @@ set(pgen
     ${default_pgen}
     CACHE STRING "Problem generator")
 
-set(gui
-    ${default_gui}
-    CACHE BOOL "Use GUI [nttiny]")
 set(output
     ${default_output}
     CACHE BOOL "Enable output")
@@ -70,7 +67,7 @@ if(${DEBUG} STREQUAL "OFF")
   set(CMAKE_BUILD_TYPE
       Release
       CACHE STRING "CMake build type")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG -O3")
 else()
   set(CMAKE_BUILD_TYPE
       Debug
@@ -177,11 +174,6 @@ elseif(BENCHMARK)
   # ------------------------------ Benchmark --------------------------------- #
   include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/benchmark.cmake)
 else()
-  # ----------------------------------- GUI ---------------------------------- #
-  if(${gui})
-    find_or_fetch_dependency(nttiny FALSE QUIET)
-  endif()
-
   # ------------------------------- Main source ------------------------------ #
   set_problem_generator(${pgen})
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/src src)

dev/nix/kokkos.nix

@@ -10,7 +10,7 @@ let
   pversion = "5.0.1";
   compilerPkgs = {
     "HIP" = with pkgs.rocmPackages; [
-      llvm.llvm
+      clang
       rocm-core
       clr
       rocthrust
@@ -41,7 +41,7 @@ let
       "-D Kokkos_ENABLE_HIP=ON"
       "-D Kokkos_ARCH_${getArch { }}=ON"
       "-D GPU_TARGETS=${builtins.replaceStrings [ "amd_" ] [ "" ] (pkgs.lib.toLower (getArch { }))}"
-      "-D CMAKE_CXX_COMPILER=hipcc"
+      "-D CMAKE_CXX_COMPILER=clang++"
     ];
     "CUDA" = [
       "-D Kokkos_ENABLE_CUDA=ON"
@@ -57,7 +57,7 @@ pkgs.stdenv.mkDerivation rec {
   src = pkgs.fetchgit {
     url = "https://github.com/kokkos/kokkos/";
     rev = "${pversion}";
-    sha256 = "sha256-C4DarqnEcdF3+19TPqcM0A9bcQSkKTJkB8b7OkzC7T8=";
+    sha256 = "sha256-ChpwGBwE7sNovjdAM/iCeOqqwGufKxAh5vQ3qK6aFBU=";
   };
 
   nativeBuildInputs = with pkgs; [

dev/nix/shell.nix

@@ -29,8 +29,8 @@ let
         CC = "gcc";
       };
       HIP = {
-        CXX = "hipcc";
-        CC = "hipcc";
+        CXX = "clang++";
+        CC = "clang";
       };
       CUDA = { };
     };