Built KFR and FFTW

.github/workflows/build.yml

@@ -0,0 +1,43 @@
+name: Build
+on: push
+jobs:
+  linux-x86_64:
+    runs-on: ubuntu-22.04
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4    
+    - name: Packages
+      run: |
+        sudo apt-get update && sudo apt-get install -y wget cmake gnupg2 ninja-build build-essential unzip
+    - name: Build FFTW
+      run: |
+        cd "$VCPKG_INSTALLATION_ROOT"
+        ./vcpkg install fftw3[avx2]
+        ls -la "$VCPKG_INSTALLATION_ROOT/installed"
+        ls -la "$VCPKG_INSTALLATION_ROOT/installed/x64-linux"
+        ls -la "$VCPKG_INSTALLATION_ROOT/installed/x64-linux/share"
+        ls -la "$VCPKG_INSTALLATION_ROOT/installed/x64-linux/lib"
+        ls -la "$VCPKG_INSTALLATION_ROOT/installed/x64-linux/include"
+    - name: Get KFR6 binaries
+      env:
+        TMP_DIR: ${{ runner.temp }}
+        KFR_VER: 6.0.2
+      run: |
+        curl -o "$TMP_DIR/kfr.zip" -L "https://github.com/kfrlib/kfr/releases/download/$KFR_VER/linux-x86_64.zip"
+        unzip "$TMP_DIR/kfr.zip" -d "${TMP_DIR}/kfr"
+        ls -la "${TMP_DIR}/kfr"
+    - name: Build benchmark
+      env:
+        TMP_DIR: ${{ runner.temp }}
+      run: |
+        cmake -B build -S . -DCMAKE_BUILD_TYPE=Release -GNinja "-DCMAKE_PREFIX_PATH=${TMP_DIR}/kfr/lib/cmake;$VCPKG_INSTALLATION_ROOT/installed/x64-linux/share"
+        ninja -C build
+        ls -la build
+        file build/fft_benchmark_{fftw,kfr}
+        mkdir -p "${{ github.workspace }}/dist"
+        cp build/fft_benchmark_{fftw,kfr} "${{ github.workspace }}/dist"
+    - name: Binaries
+      uses: actions/upload-artifact@v4
+      with:
+        name: linux-x86_64
+        path: ${{ github.workspace }}/dist

.gitignore

@@ -1,5 +1,6 @@
 # build directory
-build*
+build
+build/
 bin/
 
 ipp/*

src/benchmark.hpp

@@ -21,7 +21,8 @@
 #include <array>
 #include <charconv>
 #include <memory>
-#include <stdlib.h>
+#include <cstdlib>
+#include <cstring>
 #include <string>
 #include <string_view>
 #include <vector>

src/fft_benchmark.cpp

@@ -337,6 +337,9 @@ int main(int argc, char** argv)
     json_key("cpu");
     json_string(cpuname);
 
+    json_key("clock_MHz");
+    json_number(1000.0 / tsc_resolution());
+
     json_key("library");
     json_string(fftname);