All pull requests

Pull requests

• fix(timer): measure checkpoint_must_save_by from job start

  #4811·jseppanen opened Oct 20, 2026Contributor·4 tasks·

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  2

• fix(automodel): merge LoRA into refit weights under activation checkpointing

  CI:Lfast
  #4810·yuekaizhang opened Oct 20, 2026Contributor·

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  3

• fix(trtllm): drop the srun launcher env in TRT-LLM Ray workers

  #4809·shuyixiong opened Oct 20, 2026Contributor·4 tasks done·

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  1

• cp: fix(recipes): disable vLLM async scheduling for Qwen3.5-397B GRPO 4794

  cherry-pickCI:L0
  #4808·svcnvidia-nemo-ci opened Oct 20, 2026Contributor·

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  2

• cp: cherry-pick #3865 - perf(refit): use NCCL Reshard for all async MXFP8 recipes

  CI:Lfast
  #4807·seonjinn opened Oct 20, 2026Contributor·

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  2

• cp: cherry-pick #3984 - fix(refit): release trainer memory before collective export

  CI:LfastDocumentation
  #4806·seonjinn opened Oct 20, 2026Contributor·

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  2

• cp: cherry-pick #3461 - perf(recipes): use FlashInfer TRT-LLM MoE for BF16

  CI:Lfast
  #4805·seonjinn opened Oct 20, 2026Contributor·

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  3

• fix(checkpoint): rank NaN metrics last in top-k pruning and best selection

  community-request
  #4804·v0ropaev opened Oct 20, 2026·2 of 4 tasks·

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  1

• feat(dynamo): engine switch, Megatron engine config, and the engine seam

  #4801·lauradang opened Oct 20, 2026Contributor·3 of 4 tasks·

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  1

• docs: announce Beam 1.0 Day 0 support

  #4799·jinzex opened Oct 19, 2026·

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  1

• feat(nemo-gym): retire capture ledgers NeMo RL is done with

  CI:Lfast
  #4798·ananthsub opened Oct 19, 2026Contributor·3 of 4 tasks·

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  5

• fix(sglang): disable legacy Outlines disk cache by default

  cherry-pickCI:L1
  #4797·chtruong814 opened Oct 19, 2026Contributor·4 tasks·

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  9

• feat(dynamo): Megatron prefill/decode engines under the SingleController

  Documentation
  #4796·lauradang opened Oct 19, 2026Contributor·4 tasks·

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  1

• fix(vlm): add exact GELU override for Super vision encoder

  Documentation
  #4795·rohitrango opened Oct 19, 2026Contributor·3 of 4 tasks·

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  2

• feat(gym): bump Gym and add a Super 3.5 Gym venv prefetch config

  CI:L1
  #4793·yfw opened Oct 19, 2026Contributor·3 of 4 tasks·

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  5

• feat(megatron): MXFP8/NVFP4 zero train-gen mismatch on Megatron flashinfer backend

  #4791·YigongQin opened Oct 19, 2026Collaborator·4 tasks·

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  1

• perf(tests): cherry-pick CUDA graph recipe optimizations to main (#4569)

  CI:Lfast
  #4787·fujial-code opened Oct 19, 2026Contributor·

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  4

• perf(recipes): use TE FusedAdam for MiniMax-M2.7 GRPO (fp32 second moment)

  CI:Lfast
  #4786·joyang-nv opened Oct 19, 2026Member·

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  3

• feat(nvfp4): per-token NVFP4 rollout for Nemotron 3.5 Lightning

  Documentation
  #4785·zhangyimi opened Oct 19, 2026Contributor·

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  1

• feat(single-controller): support dynamic sampling for streaming sampler

  CI:LfastDocumentation
  #4784·RayenTian opened Oct 19, 2026Contributor·3 of 4 tasks·

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  3

• fix(data): stop validation dataloader workers after a partial pass

  CI:L0
  #4783·zhangyimi opened Oct 19, 2026Contributor·

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  3

• feat(timeline): collect end-to-end training timelines and add the collect-training timeline skills

  #4782·shuyixiong opened Oct 19, 2026Contributor·4 tasks·

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  1

• fix(async): clear active vLLM caches around weight refits

  #4780·rohitrango opened Oct 18, 2026Contributor·3 of 4 tasks·

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  2

• fix: forward checkpointing.pretrained_checkpoint in every algorithm setup

  community-request
  #4779·dijor0310 opened Oct 18, 2026·4 tasks done·

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  1

  1

• fix(sc): SWE PPO fixes for token capture and Megatron critic memory

  CI:L1Documentation
  #4776·bg51717 opened Oct 18, 2026Member·4 tasks done·

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