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fix the calculation of RAM in MEM to ensure MEM_MAX_THREADS works cor… #545

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fix the calculation of RAM in MEM to ensure MEM_MAX_THREADS works cor… #545

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1d449b6
fix the calculation of RAM in MEM to ensure MEM_MAX_THREADS works cor…
nazarenkomykyta Jun 26, 2026
08f6902
fix the calculation of RAM in MEM to ensure MEM_MAX_THREADS works cor…
nazarenkomykyta Jun 29, 2026
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18 changes: 12 additions & 6 deletions make.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -273,16 +273,22 @@ fi
# make args
if [[ "${BUILD}" == "1" ]] || [[ "${DEBUG}" == "1" ]]; then
if [[ "${OS}" == "Linux" ]]; then
MEM="$(( $(($(getconf _PHYS_PAGES) * $(getconf PAGE_SIZE) / (1000 * 1000 * 1000))) * 1000 ))" # in MB
MEM_BYTES=$(( $(getconf _PHYS_PAGES) * $(getconf PAGE_SIZE) ))
MEM_DIVISOR=$(( 1024 * 1024 )) # in bytes
elif [[ "${OS}" == "Darwin" ]]; then
MEM="$(( $(($(sysctl -n hw.memsize) / (1000 * 1000 * 1000))) * 1000 ))" # in MB
MEM_BYTES=$(sysctl -n hw.memsize) # in bytes
MEM_DIVISOR=$(( 1024 * 1024 ))
elif [[ "${OS}" == "OpenBSD" ]]; then
MEM="$(( $(($(sysctl -n hw.physmem) / (1000 * 1000 * 1000))) * 1000 ))" # in MB
MEM_BYTES=$(sysctl -n hw.physmem) # in bytes
MEM_DIVISOR=$(( 1024 * 1024 ))
fi

MEM_NEEDED_PER_CORE="3500" # tdlib under g++ needs 3.5 GB

# memory in MB rounded to nearest 512
MEM=$(( (${MEM_BYTES} + ( 256 * ${MEM_DIVISOR} )) / ( 512 * ${MEM_DIVISOR}) * 512 ))
MEM_NEEDED_PER_CORE="3584" # tdlib under g++ needs 3.5 GB

if [[ "$(${CXX:-c++} -dM -E -x c++ - < /dev/null | grep CLANG_ATOMIC > /dev/null ; echo ${?})" == "0" ]]; then
MEM_NEEDED_PER_CORE="1500" # tdlib under clang++ needs 1.5 GB
MEM_NEEDED_PER_CORE="1536" # tdlib under clang++ needs 1.5 GB
fi

MEM_MAX_THREADS="$((${MEM} / ${MEM_NEEDED_PER_CORE}))"
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