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with comments from discord

linkerbench
Xida Ren 2024-06-01 00:11:03 +00:00
parent a9513682f8
commit acb361774c
1 changed files with 17 additions and 0 deletions
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17
bench.sh
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@ -36,11 +36,28 @@ measure_build_time() {
-DLIBTORCH_VARIANT=shared \
-G Ninja
# Verify the linker being used by introducing an intentional linker error
echo "int main() { undefined_function(); return 0; }" > "$build_dir/linker_test.c"
if ! cmake --build "$build_dir" --config Debug --target linker_test 2>&1 | grep -q "$linker"; then
echo "Error: Linker mismatch. Expected $linker, but a different linker was used."
exit 1
fi
rm "$build_dir/linker_test.c"
local start_time=$(date +%s)
cmake --build $build_dir --config Debug -- -j $max_cores
local end_time=$(date +%s)
local build_time=$((end_time - start_time))
echo "Build time with $linker ($max_cores cores): $build_time seconds" | tee -a "$results_file"
# Perform an incremental build and measure the link time
echo "Performing incremental build..."
touch "$build_dir/src/incremental_change.c"
incremental_start_time=$(date +%s)
cmake --build "$build_dir" --config Debug -- -j "$max_cores"
incremental_end_time=$(date +%s)
incremental_build_time=$((incremental_end_time - incremental_start_time))
echo "Incremental build time with $linker ($max_cores cores): $incremental_build_time seconds" | tee -a "$results_file"
}
# Create results directory