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Pull requests: NVIDIA/Megatron-LM
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fix: make local CUDA graph outputs pipeline-safe
#6168
opened Jul 31, 2026 by
nvegesna-netizen
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fix(dsa): skip invalid slots in sparse indexer backward
#6166
opened Jul 31, 2026 by
QiZhangNV
Contributor
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fix(tensor-parallel): AUT-1177 deduplicate expert shards by expert TP
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#6165
opened Jul 31, 2026 by
svcnemo-autobot
Collaborator
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Fix tied parameters
complexity: medium
Run functional tests
#6164
opened Jul 30, 2026 by
wujingyue
Contributor
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chore(skills): refresh mcore catalog signatures
docs-only
documentation only (docs or docstrings)
#6163
opened Jul 30, 2026 by
balasaajay
Contributor
•
Draft
chore: nightly sync main into dev (30_07_2026)
Run functional tests
Run MBridge tests
Attach this for testing this PR against MBridge main
#6159
opened Jul 30, 2026 by
svcnvidia-nemo-ci
Contributor
•
Draft
Fix/dsv4 cp relax assert offline packed thd
#6158
opened Jul 30, 2026 by
weijiac0619
Contributor
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6 tasks
ci: build CI image against nvidia-resiliency-ext main
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#6157
opened Jul 30, 2026 by
hexinw-nvidia
Contributor
•
Draft
[GTP] NCCL Symmetric Memory Registration Support
nemotron
#6155
opened Jul 30, 2026 by
prajwal1210
Contributor
•
Draft
4 of 6 tasks
fix ckpt conversion issue
complexity: low
#6151
opened Jul 30, 2026 by
dimapihtar
Contributor
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1 of 6 tasks
set weights_only=True
complexity: low
Expert Review
[deprecated] Apply this label to indicate that your PR is ready for expert review.
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#6150
opened Jul 30, 2026 by
dimapihtar
Contributor
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1 of 6 tasks
[Dev] fix: account for DSA top-k sparsity and indexer cost in FLOPs
#6148
opened Jul 30, 2026 by
niyunsheng
•
Draft
cp:
test(inference): MCORE-561 trust FP8 metadata in DeepSeek checkpoints (6049) into core_r0.19.0
cherry-pick
Run CICD
#6138
opened Jul 30, 2026 by
ko3n1g
Contributor
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Support configurable parameter, gradient, and optimizer sharding in experimental FSDP v2
#6137
opened Jul 30, 2026 by
Autumn1998
Contributor
•
Draft
6 tasks
Support FP4 in 1F1B A2A overlap
26.08.01
core_r0.19.0
Auto-cherrypick to release branch. Apply before merge; cherrypick happens after merge.
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#6135
opened Jul 29, 2026 by
dingqingy-nv
•
Draft
1 of 6 tasks
Gtp refit support
complexity: high
Final Review
PR is in the "final review" stage
#6133
opened Jul 29, 2026 by
wdykas
Contributor
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6 tasks
fix: refresh TE fused MLP DDP hooks dynamically
Final Review
PR is in the "final review" stage
#6132
opened Jul 29, 2026 by
nvegesna-netizen
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docs(skills): add GPU performance analysis and inference optimization skills
#6129
opened Jul 29, 2026 by
shanmugamr1992
Contributor
•
Draft
4 tasks done
cp:
test(optimizer): MCORE-560 cover MoE gradient zero counts (6050) into core_r0.19.0
cherry-pick
Run CICD
#6126
opened Jul 29, 2026 by
ko3n1g
Contributor
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