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feat: tcmalloc enabled in docker images #20644

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Merged
ludamad merged 7 commits into from
Feb 18, 2026
Merged

feat: tcmalloc enabled in docker images #20644

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37f5d62
type: description
ludamad Feb 18, 2026
8ba9689
chore: add tcmalloc benchmarking setup for bb benches
ludamad Feb 18, 2026
4e229ae
fix: use libtcmalloc-minimal4t64 runtime package instead of -dev
ludamad Feb 18, 2026
0095c47
chore: install tcmalloc in Docker image, revert default usage
ludamad Feb 18, 2026
1d1357e
chore: default to tcmalloc for native benchmarks
ludamad Feb 18, 2026
a8c40c5
chore: make tcmalloc opt-in via ALLOCATOR=tcmalloc
ludamad Feb 18, 2026
4eabbdb
chore: tcmalloc in release image, opt-in for benchmarks
ludamad Feb 18, 2026
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9 changes: 8 additions & 1 deletion barretenberg/cpp/scripts/run_bench.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -14,13 +14,20 @@ filter=$4
export GTEST_COLOR=1
export HARDWARE_CONCURRENCY=${CPUS:-8}

# Set ALLOCATOR=tcmalloc to use tcmalloc via LD_PRELOAD.
BENCH_PRELOAD=""
if [ "${ALLOCATOR:-}" = "tcmalloc" ]; then
sudo apt-get update -qq && sudo apt-get install -y -qq libtcmalloc-minimal4t64
BENCH_PRELOAD="/usr/lib/$(uname -m)-linux-gnu/libtcmalloc_minimal.so.4"
fi

mkdir -p bench-out/$(dirname $name)

export MEMUSAGE_OUT="bench-out/$name-peak-memory-mb.txt"

case $arch in
native)
memusage $bin --benchmark_out=./bench-out/$name.json --benchmark_filter=$filter
LD_PRELOAD="${BENCH_PRELOAD}" memusage $bin --benchmark_out=./bench-out/$name.json --benchmark_filter=$filter
;;
wasm)
memusage ./scripts/wasmtime.sh $bin --benchmark_out=./bench-out/$name.json --benchmark_filter=$filter
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5 changes: 4 additions & 1 deletion release-image/Dockerfile.base
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Expand Up @@ -23,7 +23,8 @@ RUN apt update && apt install -y \
netcat-openbsd \
parallel \
curl \
gnupg && \
gnupg \
libtcmalloc-minimal4t64 && \
curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && \
echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list && \
apt update && apt install nodejs && \
Expand All @@ -33,6 +34,8 @@ COPY --from=build /opt/foundry/bin/anvil /opt/foundry/bin/anvil
COPY --from=build /opt/foundry/bin/forge /opt/foundry/bin/forge
COPY --from=build /opt/foundry/bin/cast /opt/foundry/bin/cast
ENV PATH="/opt/foundry/bin:$PATH" FOUNDRY_DISABLE_NIGHTLY_WARNING="1"
# Use tcmalloc for reduced memory fragmentation and improved allocation performance.
ENV LD_PRELOAD="/usr/lib/x86_64-linux-gnu/libtcmalloc_minimal.so.4"
# Copy in production dependencies.
COPY --from=build /usr/src/yarn-project/node_modules /usr/src/yarn-project/node_modules
# We install a symlink to yarn-project's node_modules at a location that all portalled packages can find as they
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