chore: now in cpp

Author: art049

.github/workflows/codspeed.yml

@@ -14,39 +14,28 @@ permissions:
 jobs:
   benchmarks:
     name: Run benchmarks
-    runs-on: codspeed-macro
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
-      - name: Setup Rust
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: stable
-
-      - name: Cache cargo registry
-        uses: actions/cache@v4
-        with:
-          path: ~/.cargo/registry
-          key: cargo-registry-${{ runner.arch }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-registry-${{ runner.arch }}-
-
-      - name: Cache target directory
-        uses: actions/cache@v4
-        with:
-          path: target
-          key: cargo-target-${{ runner.arch }}-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            cargo-target-${{ runner.arch }}-
+      - name: Install CMake and build tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential
 
-      - name: Install cargo-codspeed
-        run: cargo install cargo-codspeed --locked
+      - name: Configure CMake
+        run: |
+          mkdir -p build
+          cd build
+          cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCODSPEED_MODE=walltime ..
 
       - name: Build benchmarks
-        run: cargo codspeed build
+        run: |
+          cd build
+          make -j$(nproc)
 
       - name: Run benchmarks
         uses: CodSpeedHQ/action@v4
         with:
           mode: walltime
-          run: cargo codspeed run
+          run: ./build/particle_simulation_bench

.gitignore

@@ -1,5 +1,11 @@
-# Rust build artifacts
-/target/
+# C++ build artifacts
+/build/
+/cmake-build-*/
+*.o
+*.a
+*.so
+*.dylib
+*.exe
 
 # IDE files
 .vscode/
@@ -11,4 +17,10 @@
 # OS files
 .DS_Store
 Thumbs.db
-target
+
+# CMake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+Makefile
+build/

CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 3.12)
+project(cache_patterns VERSION 1.0.0 LANGUAGES CXX)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Use RelWithDebInfo for debug symbols (important for CodSpeed profiling)
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE RelWithDebInfo)
+endif()
+
+# Include FetchContent for downloading dependencies
+include(FetchContent)
+
+# Enable downloading dependencies for benchmark
+set(BENCHMARK_DOWNLOAD_DEPENDENCIES ON)
+
+# Disable specific warnings for CodSpeed/Google Benchmark
+if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
+    add_compile_options(-Wno-sign-conversion -Wno-error)
+elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+    add_compile_options(-Wno-sign-conversion -Wno-error)
+endif()
+
+# Fetch CodSpeed's Google Benchmark compatibility layer
+FetchContent_Declare(
+    google_benchmark
+    GIT_REPOSITORY https://github.com/CodSpeedHQ/codspeed-cpp
+    GIT_TAG main
+    SOURCE_SUBDIR google_benchmark
+)
+
+FetchContent_MakeAvailable(google_benchmark)
+
+# Create library for particle simulation code
+add_library(cache_patterns_lib
+    src/aos.cpp
+    src/soa.cpp
+)
+
+target_include_directories(cache_patterns_lib PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+)
+
+# Create benchmark executable
+add_executable(particle_simulation_bench
+    benchmarks/particle_simulation.cpp
+)
+
+target_link_libraries(particle_simulation_bench
+    cache_patterns_lib
+    benchmark::benchmark
+)
+
+target_include_directories(particle_simulation_bench PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/include
+)