Use Python for sccache hit rate computation. #2474
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KyleFromNVIDIA
approved these changes
Oct 21, 2024
| @@ -463,14 +463,14 @@ if (( ${NUMARGS} == 0 )) || hasArg libraft || hasArg docs || hasArg tests || has | |||
| if [[ ${CACHE_TOOL} == "sccache" && -x "$(command -v sccache)" ]]; then | |||
| COMPILE_REQUESTS=$(sccache -s | grep "Compile requests \+ [0-9]\+$" | awk '{ print $NF }') | |||
| CACHE_HITS=$(sccache -s | grep "Cache hits \+ [0-9]\+$" | awk '{ print $NF }') | |||
| HIT_RATE=$(echo - | awk "{printf \"%.2f\n\", $CACHE_HITS / $COMPILE_REQUESTS * 100}") | |||
| HIT_RATE=$(python3 -c "print(f'{${CACHE_HITS} / ${COMPILE_REQUESTS}:.2f}' if ${COMPILE_REQUESTS} else 'nan')") | |||
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For situations like this, I prefer to pass variables in as arguments, environment variables, etc. to avoid the risk of code injection. It's admittedly not a big deal in this particular situation, but I still prefer to do it.
Suggested change
| HIT_RATE=$(python3 -c "print(f'{${CACHE_HITS} / ${COMPILE_REQUESTS}:.2f}' if ${COMPILE_REQUESTS} else 'nan')") | |
| HIT_RATE=$(COMPILE_REQUESTS="${COMPILE_REQUESTS}" CACHE_HITS="${CACHE_HITS}" python3 -c "import os; print(f'{int(os.getenv(\"CACHE_HITS\")) / int(os.getenv(\"COMPILE_REQUESTS\")):.2f}' if int(os.getenv(\"COMPILE_REQUESTS\")) else 'nan')") |
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This was referenced Oct 21, 2024
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Fixes an issue in CI computations of sccache hit rates. See rapidsai/cuvs#414 for details.