fix(arm64): cross-isa PROF_TICK macro for conv_gemm profile #31
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| name: Autotuner Matrix | |
| on: | |
| push: | |
| branches: [main] | |
| paths: | |
| - 'src/compute/**' | |
| - 'src/core/**' | |
| - 'include/**' | |
| - '.github/workflows/autotuner.yml' | |
| pull_request: | |
| branches: [main] | |
| paths: | |
| - 'src/compute/**' | |
| - 'src/core/**' | |
| - 'include/**' | |
| - '.github/workflows/autotuner.yml' | |
| schedule: | |
| - cron: '0 4 * * 0' # weekly sunday 04:00 UTC | |
| workflow_dispatch: | |
| concurrency: | |
| group: autotuner-${{ github.ref }} | |
| cancel-in-progress: true | |
| jobs: | |
| # validate autotuner picks sensible values on different CPU classes. | |
| # must be within 20% of no-autotune baseline (regression gate). | |
| # tests on all three SIMD micro-kernel targets (avx2, avx512, neon). | |
| autotuner-validation: | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| include: | |
| - runner: ubuntu-latest | |
| label: x86-avx2-default | |
| - runner: ubuntu-24.04 | |
| label: x86-avx2-newer | |
| # larger runner class often has AVX-512-capable CPUs (intel xeon 8272CL etc.) | |
| - runner: ubuntu-latest-4-cores | |
| label: x86-avx512-attempt | |
| - runner: ubuntu-24.04-arm | |
| label: arm64-neon | |
| runs-on: ${{ matrix.runner }} | |
| name: autotuner-${{ matrix.label }} | |
| continue-on-error: true | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: hardware profile | |
| run: | | |
| echo "=== CPU ===" | |
| lscpu | grep -E '(Model name|CPU\(s\)|Thread|Core|Socket|L1d|L2|L3|MHz|BogoMIPS)' | head -20 | |
| echo "" | |
| echo "=== SIMD ISA features ===" | |
| echo -n "AVX-512: " && (grep -q avx512f /proc/cpuinfo && echo "YES" || echo "no") | |
| echo -n "AVX2: " && (grep -q avx2 /proc/cpuinfo && echo "YES" || echo "no") | |
| echo -n "FMA: " && (grep -q 'fma\b' /proc/cpuinfo && echo "YES" || echo "no") | |
| echo -n "NEON: " && (grep -qE 'asimd|neon' /proc/cpuinfo && echo "YES" || echo "no") | |
| echo "" | |
| echo "=== memory ===" | |
| free -h | |
| echo "" | |
| echo "=== cache topology ===" | |
| for cpu in /sys/devices/system/cpu/cpu0/cache/index*; do | |
| [ -f "$cpu/level" ] || continue | |
| LVL=$(cat "$cpu/level") | |
| TYPE=$(cat "$cpu/type" 2>/dev/null || echo "-") | |
| SZ=$(cat "$cpu/size" 2>/dev/null || echo "-") | |
| WAYS=$(cat "$cpu/ways_of_associativity" 2>/dev/null || echo "-") | |
| echo " L${LVL} (${TYPE}): ${SZ}, ${WAYS}-way" | |
| done | |
| - name: install deps | |
| run: | | |
| sudo apt-get update -qq | |
| sudo apt-get install -y -qq build-essential cmake libomp-dev | |
| - name: build (ISA dispatch = auto-select avx512/avx2/neon/scalar) | |
| run: | | |
| mkdir build && cd build | |
| # enable ISA dispatch on x86 to build all three variants | |
| EXTRA="" | |
| if grep -q 'x86\|amd64' /proc/cpuinfo; then | |
| EXTRA="-DAX_CPU_ISA_DISPATCH=ON" | |
| fi | |
| cmake -DCMAKE_BUILD_TYPE=Release $EXTRA .. | |
| cmake --build . -j$(nproc) | |
| - name: capture autotuner decisions | |
| run: | | |
| cd build | |
| echo "=== autotuner output ===" | |
| ./test_compute 2>&1 | grep -E '(axiom:|auto|tiles|hybrid|pinned|fast|all|L1d|L2|L3|ISA|avx|neon|scalar)' | head -30 | |
| - name: run tests (must all pass) | |
| run: cd build && ctest -j$(nproc) --output-on-failure | |
| - name: build gemm microbench | |
| run: | | |
| cat > /tmp/bench_gemm.c << 'BENCH_EOF' | |
| #include "axiom/tensor.h" | |
| #include "axiom/compute.h" | |
| #include <stdio.h> | |
| #include <time.h> | |
| static double ms(void){struct timespec t;clock_gettime(CLOCK_MONOTONIC,&t);return t.tv_sec*1000.0+t.tv_nsec/1e6;} | |
| static void b(int M,int N,int K,int s){ | |
| ax_tensor_t *a=ax_tensor_ones((int64_t[]){M,K},2,AX_FLOAT32); | |
| ax_tensor_t *bb=ax_tensor_ones((int64_t[]){K,N},2,AX_FLOAT32); | |
| ax_tensor_t *c=ax_tensor_zeros((int64_t[]){M,N},2,AX_FLOAT32); | |
| ax_compute_gemm(a,bb,c); | |
| double t0=ms(); | |
| for(int i=0;i<s;i++)ax_compute_gemm(a,bb,c); | |
| double dt=(ms()-t0)/s; | |
| printf("%d %.1f\n",M,2.0*M*N*K/dt/1e6); | |
| ax_tensor_destroy(a);ax_tensor_destroy(bb);ax_tensor_destroy(c); | |
| } | |
| int main(void){ax_compute_init(); | |
| b(256,256,256,50);b(512,512,512,20);b(1024,1024,1024,5);b(2048,2048,2048,2); | |
| return 0;} | |
| BENCH_EOF | |
| FLAGS="-O3 -fopenmp -I./include" | |
| if lscpu | grep -q avx2; then FLAGS="$FLAGS -mavx2 -mfma"; fi | |
| gcc $FLAGS -o /tmp/bench_gemm /tmp/bench_gemm.c ./build/libaxiom.a -lm -lpthread | |
| - name: compare autotuner vs baseline | |
| run: | | |
| echo "=== autotune enabled ===" | |
| /tmp/bench_gemm 2>/dev/null | tee auto.txt | |
| echo "" | |
| echo "=== baseline (AX_NO_AUTOTUNE=1) ===" | |
| AX_NO_AUTOTUNE=1 /tmp/bench_gemm 2>/dev/null | tee base.txt | |
| - name: regression gate (must be within 20% of baseline) | |
| run: | | |
| fail=0 | |
| paste auto.txt base.txt | while read m a m2 b; do | |
| result=$(python3 -c " | |
| a = float('$a' or 0); b = float('$b' or 0) | |
| if b > 0 and a < b * 0.80: | |
| print(f'FAIL size=$m: autotune={a} < 80% of baseline={b}') | |
| else: | |
| print(f'OK size=$m: autotune={a} (baseline={b})') | |
| ") | |
| echo "$result" | |
| case "$result" in FAIL*) fail=1;; esac | |
| done | |
| if [ $fail -eq 1 ]; then exit 1; fi |