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https://gitlab.com/libeigen/eigen.git
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46 lines
1.6 KiB
Bash
46 lines
1.6 KiB
Bash
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#!/bin/bash
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# Build Eigen benchmarks for a given ISA target.
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#
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# Expected environment variables:
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# EIGEN_CI_BUILDDIR - build directory (default: .bench-build)
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# EIGEN_CI_CXX_COMPILER - C++ compiler
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# EIGEN_CI_C_COMPILER - C compiler
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# EIGEN_BENCH_ISA_FLAGS - ISA-specific compiler flags (e.g. "-mavx2 -mfma")
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set -ex
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rootdir=$(pwd)
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builddir=${EIGEN_CI_BUILDDIR:-.bench-build}
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mkdir -p "${builddir}"
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cd "${builddir}"
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# Install Google Benchmark from source if not already present.
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# The common before_script already installs cmake/ninja; we only need
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# git and ca-certificates for the clone.
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if ! pkg-config --exists benchmark 2>/dev/null; then
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apt-get update -qq
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apt-get install -y --no-install-recommends git ca-certificates
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git clone --depth 1 --branch v1.9.1 https://github.com/google/benchmark.git /tmp/gbench
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cmake -G Ninja -S /tmp/gbench -B /tmp/gbench-build \
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-DCMAKE_BUILD_TYPE=Release \
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-DBENCHMARK_ENABLE_TESTING=OFF \
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-DCMAKE_INSTALL_PREFIX=/usr/local
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cmake --build /tmp/gbench-build --target install
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rm -rf /tmp/gbench /tmp/gbench-build
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fi
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# Configure benchmarks. ISA flags are passed via CMAKE_CXX_FLAGS so they
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# apply globally to all benchmark targets.
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cmake -G Ninja \
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-DCMAKE_CXX_COMPILER="${EIGEN_CI_CXX_COMPILER}" \
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-DCMAKE_C_COMPILER="${EIGEN_CI_C_COMPILER}" \
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-DCMAKE_CXX_FLAGS="${EIGEN_BENCH_ISA_FLAGS}" \
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-DCMAKE_BUILD_TYPE=Release \
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"${rootdir}/benchmarks"
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# Build all benchmark targets. The nightly/weekly scope filtering happens
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# at run time, not build time.
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cmake --build . -- -k0 || cmake --build . -- -k0 -j1
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cd "${rootdir}"
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