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ci : use less jobs when building with sanitizers #19411

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Merged
CISC merged 4 commits into from
Feb 7, 2026
Merged

ci : use less jobs when building with sanitizers #19411

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b2f6a42
ci : use less jobs when building with sanitizers
ggerganov Feb 7, 2026
0a9d4b1
cont : fix nproc
ggerganov Feb 7, 2026
7703578
cont : fix the fix
ggerganov Feb 7, 2026
5144018
cont : simplify
ggerganov Feb 7, 2026
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10 changes: 8 additions & 2 deletions .github/workflows/build.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -295,7 +295,10 @@ jobs:
-DLLAMA_SANITIZE_${{ matrix.sanitizer }}=ON \
-DGGML_SANITIZE_${{ matrix.sanitizer }}=ON \
-DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
cmake --build build --config ${{ matrix.build_type }} -j $(nproc)
J=$(( $(nproc) / 2 ))
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if [ $J -lt 1 ]; then J=1; fi
echo "Using -j $J"
cmake --build build --config ${{ matrix.build_type }} -j $J

- name: Build (no OpenMP)
id: cmake_build_no_openmp
Expand All @@ -307,7 +310,10 @@ jobs:
-DGGML_SANITIZE_${{ matrix.sanitizer }}=ON \
-DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
-DGGML_OPENMP=OFF
cmake --build build --config ${{ matrix.build_type }} -j $(nproc)
J=$(( $(nproc) / 2 ))
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if [ $J -lt 1 ]; then J=1; fi
echo "Using -j $J"
cmake --build build --config ${{ matrix.build_type }} -j $J

- name: Test
id: cmake_test
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5 changes: 4 additions & 1 deletion .github/workflows/server.yml
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Expand Up @@ -72,6 +72,9 @@ jobs:
- name: Build
id: cmake_build
run: |
J=$(( (${env:NUMBER_OF_PROCESSORS} + 1) / 2 ))
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if [ $J -lt 1 ]; then J=1; fi
echo "Using -j $J"
cmake -B build \
-DLLAMA_BUILD_BORINGSSL=ON \
-DGGML_SCHED_NO_REALLOC=ON \
Expand All @@ -81,7 +84,7 @@ jobs:
-DLLAMA_SANITIZE_ADDRESS=${{ matrix.sanitizer == 'ADDRESS' }} \
-DLLAMA_SANITIZE_THREAD=${{ matrix.sanitizer == 'THREAD' }} \
-DLLAMA_SANITIZE_UNDEFINED=${{ matrix.sanitizer == 'UNDEFINED' }}
cmake --build build --config ${{ matrix.build_type }} -j ${env:NUMBER_OF_PROCESSORS} --target llama-server

@CISC CISC Feb 7, 2026

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I think this was actually the problem, it looks like this is not defined, thus running the build with just -j...

cmake --build build --config ${{ matrix.build_type }} -j $J --target llama-server

- name: Python setup
id: setup_python
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