Megatron inference ultra merge into main#3780

Draft

shanmugamr1992 wants to merge 48 commits intoNVIDIA:mainfrom

shanmugamr1992:megatron_inference_ultra

Commits on Feb 26, 2026

Fix the coordinator signaling logic
tdene
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Fix coordinator shutdown
tdene
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Fix coordinator unit tests
tdene
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Address reviewer comments
tdene
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Address reviewer comments
tdene
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Address reviewer comments
tdene
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Cleanup
tdene
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Address reviewer comments
tdene
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Cleanup
tdene
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Fix cleanup
tdene
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Cleanup
tdene
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Cleanup
tdene
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Cleanup
tdene
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Correct shutdown
tdene
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Correct pause, no ACK
tdene
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lint
tdene
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Fix cleanup
tdene
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Fix cleanup
tdene
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Clean up test shutdown
tdene
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Cleanup
tdene
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Fix typo
tdene
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tmp
tdene
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Final cleanup
tdene
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Cleanup tests
tdene
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Fix golden values
tdene
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lint
tdene
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Fix CI unit test
tdene
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Address reviewer comments
tdene
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Commits on Feb 28, 2026

Commits on Mar 1, 2026

Fix spurious CI hang
tdene
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Commits on Mar 2, 2026

Commits on Mar 3, 2026

Commits on Mar 4, 2026

Fix lack of barrier after resume
tdene
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Merge remote-tracking branch 'gh/main' into tde/robust_coordinator_signaling
tdene
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Fix mamba states to float 32
Shanmugam Ramasamy
committed

Commits on Mar 5, 2026

Merge remote-tracking branch 'ArEsKay3/rkirby/minor_inference_patches_for_nemorl' into megatron_inference_ultra
Shanmugam Ramasamy
committed

Commits on Mar 6, 2026

Fix stuff for TP
Shanmugam Ramasamy
committed