feat: install codspeed

Author: art049

.github/workflows/benchmark.yml

@@ -0,0 +1,38 @@
+name: codspeed-benchmarks
+
+on:
+  # Run on pushes to the master branch
+  push:
+    branches:
+      - "master"
+  # Run on pull requests
+  pull_request:
+  # `workflow_dispatch` allows CodSpeed to trigger backtest
+  # performance analysis in order to generate initial data.
+  workflow_dispatch:
+
+jobs:
+  benchmarks:
+    strategy:
+      matrix:
+        runs-on:
+          - ubuntu-latest
+          - codspeed-macro
+    runs-on: ${{ matrix.runs-on }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup rust toolchain, cache and cargo-codspeed binary
+        uses: moonrepo/setup-rust@v1
+        with:
+          cache-target: release
+          bins: cargo-codspeed@2.8.0-alpha.3
+
+      - name: Build the benchmark target(s)
+        run: cargo codspeed build
+
+      - name: Run the benchmarks
+        uses: CodSpeedHQ/action@v3
+        with:
+          runner-version: 3.3.0
+          run: cargo codspeed run

.github/workflows/ci.yml

@@ -20,8 +20,10 @@ readme = "README.md"
 repository = "https://github.com/rkyv/rkyv"
 
 [workspace.dependencies]
-bytecheck = { version = "0.8", default-features = false, features = ["simdutf8"] }
-divan = { version = "0.1", default-features = false }
+bytecheck = { version = "0.8", default-features = false, features = [
+    "simdutf8",
+] }
+divan = { package = "codspeed-divan-compat", version = "2.8.0-alpha.3", default-features = false }
 hashbrown = { version = "0.15", default-features = false }
 munge = { version = "0.4", default-features = false }
 proc-macro2 = { version = "1", default-features = false }