feat: make mesh accept meshcontext#2266
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Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com>
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Signed-off-by: Alexandros Koumparoulis <akoumparouli@nvidia.com>
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Completed tech pubs review of docs/guides/gradient-checkpointing.md. No changes needed. LGTM.
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What does this PR do ?
Refactors the distributed public API around
MeshContextso users can initialize distributed once, create a mesh context, and pass it directly toNeMoAutoModelForCausalLM.from_pretrained.Changelog
create_mesh_contextas the component-layer API that returns aMeshContext._dist_setup.setup_distributedto_dist_utils.create_mesh_context_from_config.NeMoAutoModel*, recipes, diffusion pipeline, docs, and tests to use mesh-context naming.Before your PR is "Ready for review"
Pre checks:
Validation:
uv run ruff format ...uv run ruff check --fix ...uv run pytest tests/unit_tests/distributed/test_mesh_utils.py tests/unit_tests/distributed/test_device_mesh.py tests/unit_tests/recipes/test_dist_utils.py tests/unit_tests/recipes/test_diffusion_train_metrics.py tests/unit_tests/_diffusers/test_auto_diffusion_pipeline.py -qNote: running the full
test_train_ft.pyandtest_finetune_vlm_helpers.pyfiles hit unrelated optionalcut_cross_entropyCUDA fused-CE failures in this environment.Additional Information
Related to distributed public API cleanup.