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Use both pytest-split and pytest-xdist for parallel CPU test execution #2868

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Merged
copybara-service merged 1 commit into from
Dec 22, 2025
Merged

Use both pytest-split and pytest-xdist for parallel CPU test execution #2868

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4 changes: 2 additions & 2 deletions .github/workflows/build_and_test_maxtext.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ jobs:
fail-fast: false # don't cancel all jobs on failure
matrix:
image_type: ["py312"]
worker_group: [1, 2, 3, 4]
worker_group: [1, 2]
with:
device_type: cpu
device_name: X64
Expand All @@ -63,7 +63,7 @@ jobs:
container_resource_option: "--privileged"
is_scheduled_run: ${{ github.event_name == 'schedule' }}
worker_group: ${{ matrix.worker_group }}
total_workers: 4
total_workers: 2

maxtext_tpu_unit_tests:
needs: build_and_upload_maxtext_package
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5 changes: 3 additions & 2 deletions .github/workflows/run_tests_against_package.yml
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Expand Up @@ -71,6 +71,7 @@ jobs:
TF_FORCE_GPU_ALLOW_GROWTH: ${{ inputs.tf_force_gpu_allow_growth }}
TPU_SKIP_MDS_QUERY: ${{ inputs.device_type == 'cpu' && '1' || '' }}
MAXTEXT_PACKAGE_EXTRA: ${{ inputs.device_type == 'cpu' && 'tpu' || inputs.device_type }}
ALLOW_MULTIPLE_LIBTPU_LOAD: ${{ inputs.device_type == 'cpu' && 'true' || '' }} # bypass /tmp/libtpu_lockfile check for cpu tests, which don't actually use accelerators (to allow concurrency)
options: ${{ inputs.container_resource_option }}
steps:
- uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
Expand Down Expand Up @@ -109,8 +110,8 @@ jobs:
export LIBTPU_INIT_ARGS='--xla_tpu_scoped_vmem_limit_kib=65536'
fi
if [ "${{ inputs.total_workers }}" -gt 1 ]; then
.venv/bin/python3 -m pip install --quiet pytest-split
SPLIT_ARGS="--splits ${{ inputs.total_workers }} --group ${{ inputs.worker_group }}"
.venv/bin/python3 -m pip install --quiet pytest-split pytest-xdist
SPLIT_ARGS="--splits ${{ inputs.total_workers }} --group ${{ inputs.worker_group }} -n auto"
else
SPLIT_ARGS=""
fi
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