[Dev] Add Qwen3 30B MoE recipes#5012
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* test: re-enable test_pp2_create_cudagraphs_first_stage on TE 2.15+ (NVIDIA#4985) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(tests): initialize num_microbatches calculator in vision cudagraph tests (NVIDIA#4986) Signed-off-by: oliver könig <okoenig@nvidia.com> * ci: Add allow_failure flag to gpt and moe recipes that are failing in nightlies (NVIDIA#4905) * Drain predecessor reduce-scatter at dispatch time (NVIDIA#4940) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * nightly(ci): Update golden values for functional t5 tests (NVIDIA#4995) * chore: rotate oncall schedule * [main] Refactor and Improve MoE Logginginit commit (NVIDIA#3431) Co-authored-by: Robin Zhang <robinz@nvidia.com> Co-authored-by: Dennis Liu <denliu@nvidia.com> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> Co-authored-by: Shifang Xu <shifangx@nvidia.com> * ci: validate release branch-rules (NVIDIA#4929) Signed-off-by: oliver könig <okoenig@nvidia.com> * [Megatron-FSDP] Add conditional param.grad dereferencing logic to support full-iteration (FWD-BWD) CUDA graphability. (NVIDIA#4663) Signed-off-by: Cory Ye <cye@nvidia.com> * test: restrict iter-time comparison to steady-state window (NVIDIA#5010) Signed-off-by: oliver könig <okoenig@nvidia.com> * Add mHC support for HybridModel on dev (NVIDIA#4949) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> * fix(test): pin eval-global-batch-size on 15b gb200 release configs (NVIDIA#5022) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * [fix] Release MTP assertion when EP overlap with PP=1 (NVIDIA#4796) * fix(test): widen iter-time steady-state window for short tests (NVIDIA#5023) Signed-off-by: oliver könig <okoenig@nvidia.com> * Perf fix (NVIDIA#4996) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * Add dev-feature preservation gate and change schedule (NVIDIA#4773) * chore(test): remove orphan nemotron3_super_release_g200 dir (NVIDIA#5024) Signed-off-by: oliver könig <okoenig@nvidia.com> * Ignore Claude worktree directory (NVIDIA#5020) * Update copy-pr-bot.yaml [skip ci] * ci: update CI workflow conditions for integration tests (NVIDIA#4658) * Add NVSkills CI request workflow (NVIDIA#5033) * DDP wrap pg size fixes (NVIDIA#5006) Signed-off-by: Maanu Grover <maanug@nvidia.com> * fix(layer_wise): tag MTP-stage word_embeddings as is_embedding_or_output_parameter (NVIDIA#5034) * [Dev] Add Qwen3 30B MoE recipes (NVIDIA#5012) * [DEV] fix(megatron-fsdp): reduce padding for grouped expert weights (NVIDIA#5013) Co-authored-by: Xin Yao <xiny@nvidia.com> * [Dev] fix(combined-1f1b): release loss-node input storage after combined backward (NVIDIA#4908) Co-authored-by: Xin Yao <xiny@nvidia.com> * [dev] [fix] [DeepSeek-v4] fix dense loss and rope type in DSv4 Hybrid Attention (NVIDIA#5018) Co-authored-by: Yuzhong Wang <yuzhongw@nvidia.com> * Move LTS dependencies from pyproject.toml to Dockerfile.ci.lts (NVIDIA#4877) * Use shared ModelOpt calibration loop on 0.45+ with 0.44 fallback fix (NVIDIA#4881) Signed-off-by: Keval Morabia <28916987+kevalmorabia97@users.noreply.github.com> Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com> * test(release): skip golden comparison on intermediate resume windows (NVIDIA#5040) Signed-off-by: oliver könig <okoenig@nvidia.com> * [mimo] Thread position_ids through MimoModel for multimodal RoPE (NVIDIA#4938) Signed-off-by: Li Ding <liding@nvidia.com> * build: Switch DSv3 on H100 to HybridEP (NVIDIA#5039) Signed-off-by: oliver könig <okoenig@nvidia.com> * Fix: Import unwrap_model from megatron.core.utils in modelopt examples (NVIDIA#5045) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Simple and stable Inference APIs (NVIDIA#4697) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * ci: Add notification step for MBridge downstream test results (NVIDIA#5028) * [dev] [5/5] Qwen3.5 support: Qwen3.5-VL training example (NVIDIA#4751) Co-authored-by: BestJuly <19769279+BestJuly@users.noreply.github.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore: Update Docker image version to 26.04-py3 on dev (NVIDIA#5051) Signed-off-by: oliver könig <okoenig@nvidia.com> * Delete output tensor early (NVIDIA#4742) * Support ScaledSReLU in TE grouped MLP fuser (NVIDIA#4859) Co-authored-by: sraman <sraman@users.noreply.github.com> Co-authored-by: Siddhartha Raman S <sraman@login-lyris01.lyris.clusters.nvidia.com> Co-authored-by: a <a> Co-authored-by: Charlie Truong <chtruong@nvidia.com> Co-authored-by: sraman-rgb <270218152+sraman-rgb@users.noreply.github.com> * Skip gradient updates when grad norm exceeds threshold (NVIDIA#3460) Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Co-authored-by: Gerald Shen <geshen@nvidia.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Add 9 user skills (NVIDIA#5066) Signed-off-by: nvskills-svc-account <svc-nvskills-signing@nvidia.com> Co-authored-by: nvskills-svc-account <svc-nvskills-signing@nvidia.com> * test(nemotron): align nemotron3 super GB200 goldens with exit-interval 4768 (NVIDIA#5069) Signed-off-by: oliver könig <okoenig@nvidia.com> * chore: Update transformer-engine dependency to version 2.16.0 (NVIDIA#4992) * Update energon version requirement (NVIDIA#4572) Signed-off-by: Maanu Grover <maanug@nvidia.com> * Fix test failures for new inference APIs (NVIDIA#5068) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(ci): set PYTHONUNBUFFERED=1 in JET workload env (NVIDIA#5072) Signed-off-by: oliver könig <okoenig@nvidia.com> * Preserve non-FSDP-unit buckets across AllGatherPipeline reset (NVIDIA#4717) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * Add opt-in MXFP8 LM-head output projection (NVIDIA#4825) Co-authored-by: a <a> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> * chore(beep boop 🤖): Bump (main) (2026-06-01) * fix(ci): bound JET pipeline polling with a watchdog to prevent indefinite hangs (NVIDIA#5076) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * ci: prune old artifacts on cluster lustre during weekly/release runs (NVIDIA#5084) Signed-off-by: oliver könig <okoenig@nvidia.com> * ci(test): isolate ckpt-resume tensorboard per phase (NVIDIA#5074) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test: unmark EP A2A activation offload test flaky (NVIDIA#5009) * Change ownership groups (NVIDIA#5021) * test: skip mfsdp_fully_shard cases when world_size < mesh size (NVIDIA#4487) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix mimo optimizer checkpoint metadata restore (NVIDIA#4791) Signed-off-by: Li Ding <liding@nvidia.com> * [mimo] Support bridge fan-out for variable modality tokens (NVIDIA#5062) Signed-off-by: Li Ding <liding@nvidia.com> * Add separate mtp_grad_scale_func for MTP loss scaling (NVIDIA#3459) Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * [training migration] Migrate GPT builder (NVIDIA#4741) Signed-off-by: Maanu Grover <maanug@nvidia.com> * Make Mamba conv params direct mixer params (NVIDIA#4899) Signed-off-by: Jingyue Wu <wujingyue@gmail.com> * Update copy-pr-bot.yaml [skip ci] * Update oncall reviewer assignment (NVIDIA#5093) * Pass explicit process groups to hybrid logging (NVIDIA#4781) * Clean up top-level repository files (NVIDIA#5097) * [main] fix(moe): Fix several bugs for DSA rope and spec. (NVIDIA#3026) Co-authored-by: Yuzhong Wang <yuzhongw@computelab-frontend-3.nvidia.com> * [Dev] Skip identity alltoall chunk sort (NVIDIA#5102) * Move MIMO unit tests into models/mimo (NVIDIA#5063) * test: update DeepSeek FSDP2 GB200 memory golden (NVIDIA#5094) * Remove DeepEP hardware limit check (NVIDIA#4846) * Update transformer-engine dependency to revision 4220403 (NVIDIA#5112) * ci: make CI resilient to pip/uv network timeouts (NVIDIA#5118) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * ci: treat docker container-removal conflict as flaky (NVIDIA#5120) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix GDN DTensor splitting for FSDP checkpointing (NVIDIA#4843) Signed-off-by: conver334 <conver334@gmail.com> * Fix MoE aux_loss / z_loss gradient scaling with TP > 1 (NVIDIA#5047) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * Update copy-pr-bot.yaml [skip ci] * Update Claude copy workflow to enforce user restrictions and improve error messages (NVIDIA#5117) * Add advisory process group guidance to Claude reviews (NVIDIA#5111) * build: cap pydantic<2.14 in transformer-engine dependency metadata (NVIDIA#5125) Signed-off-by: Chen Cui <chcui@nvidia.com> * fix(test): skip scalar-less tensorboard event files in resume checks (NVIDIA#5121) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * chore: rotate oncall schedule * docs: fix contributor guide typo (NVIDIA#4858) Signed-off-by: LeSingh1 <sshaurya914@gmail.com> Co-authored-by: Dmytro Pykhtar <37850217+dimapihtar@users.noreply.github.com> * ci(unit-tests): split slow unit-test buckets over 15min SLA (NVIDIA#5133) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix DSA indexer loss not averaged across micro-batches (NVIDIA#4070) Co-authored-by: mokai <mokai@baidu.com> Co-authored-by: Dmytro Pykhtar <37850217+dimapihtar@users.noreply.github.com> * Update MINOR version to 19 (NVIDIA#5096) * Fix Muon QKV split for gated attention (NVIDIA#4728) Co-authored-by: Dmytro Pykhtar <37850217+dimapihtar@users.noreply.github.com> * Roll input IDs for MTP labels (NVIDIA#3457) Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Refactor: Move paged stashing Triton kernels (NVIDIA#5003) * Adding blackwell tests (NVIDIA#5113) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Relax atol for test_router_gating_linear router_dtype=torch.float32 (NVIDIA#4915) Signed-off-by: Aditya Singh <adisin650@gmail.com> Co-authored-by: Dmytro Pykhtar <37850217+dimapihtar@users.noreply.github.com> * Fix incorrect inference metadata tensor dtypes (NVIDIA#4855) Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> Signed-off-by: qiyuw <qiyuw@nvidia.com> Signed-off-by: Maanu Grover <maanug@nvidia.com> Signed-off-by: Charlie Truong <chtruong@nvidia.com> Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> Co-authored-by: Shanmugam Ramasamy <111910568+shanmugamr1992@users.noreply.github.com> Co-authored-by: Ajay <abalasa@nvidia.com> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> Co-authored-by: sraman-rgb <sraman@nvidia.com> Co-authored-by: Siddhartha Raman S <sraman@login-lyris02.lyris.clusters.nvidia.com> Co-authored-by: Xin Yao <xiny@nvidia.com> Co-authored-by: gautham-kollu <gkollu@nvidia.com> Co-authored-by: Siddhartha Raman S <sraman@login-lyris01.lyris.clusters.nvidia.com> Co-authored-by: Qiyu Wan <39144338+WanZzzzzz@users.noreply.github.com> Co-authored-by: Maanu Grover <maanug@nvidia.com> Co-authored-by: Charlie Truong <chtruong@nvidia.com> Co-authored-by: Deepak Narayanan <dnarayanan@nvidia.com> Co-authored-by: oliver könig <okoenig@nvidia.com> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: Devil1716 <149754374+Devil1716@users.noreply.github.com> * Disable TE cross entropy loss fusion (NVIDIA#5115) Co-authored-by: Mike Chrzanowski <mchrzanowski@gcp-nrt-cs-001-login-001.cm.cluster> * fix(optimizer): gate ChainedOptimizer MXFP8 defer-sync on DDP-level overlap_param_gather (NVIDIA#4982) Signed-off-by: oliver könig <okoenig@nvidia.com> * Update copy-pr-bot.yaml [skip ci] * Pass TP group to unfused cross entropy (NVIDIA#5128) * fix: correct dsv4_hybrid Q-up FLOPs by using args.v_head_dim (NVIDIA#5142) * [dev] [follow-up] Qwen3.5 support: MoE aux loss padding_mask (NVIDIA#4776) Co-authored-by: BestJuly <19769279+BestJuly@users.noreply.github.com> * [Dev] Support isolated MTP loss (NVIDIA#5080) Co-authored-by: liuzhenhai93 <liuzhenhai93@outlook.com> * test(elastification): quarantine flaky test_gumbel_determinism as flaky_in_dev (NVIDIA#5156) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * ci(notify): mention mcore-oncall and philipp on critical CI events (NVIDIA#5152) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Change the cudagraph distribution from linearly to exponentially-decreasing + grid for mixed prefill (NVIDIA#3509) * ci: Disable a few gb200 test cases to support 2 branches. (NVIDIA#5151) * build: Switch DSv3 on H100 to HybridEP (NVIDIA#5164) * Add MTP acceptance rate metrics (NVIDIA#3458) Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Nemotron Ultra config for ModelOpt examples (NVIDIA#5159) Signed-off-by: Jennifer Chen <jennifchen@nvidia.com> * Make MTP / prefix cache stats persist for engine lifetime (NVIDIA#4101) Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> * Restore Greptile configuration (NVIDIA#5166) * chore: bump `_code_freeze` workflow to `v1.4.2` (NVIDIA#5132) Signed-off-by: oliver könig <okoenig@nvidia.com> * [dev] moe(fix): Avoid TE cuda graph dummy attention masks (NVIDIA#5131) Co-authored-by: Yuzhong Wang <yuzhongw@computelab-frontend-3.nvidia.com> * ci: Remove docs build test in favor of release test (NVIDIA#5182) Signed-off-by: Charlie Truong <chtruong@nvidia.com> * Move TE cross entropy guard to training args (NVIDIA#5162) Signed-off-by: yaoyu-33 <yaoyu.094@gmail.com> * Fix error in deepseek parser (NVIDIA#5136) * Fix logprob slicing for 0 generated token case (NVIDIA#5167) Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> * [Perf] Fold frozen linear dgrad matmul (NVIDIA#5092) Signed-off-by: Chen Cui <chcui@nvidia.com> * Clamp `max_new_tokens` in MInf to mirror vllm (NVIDIA#5181) * build: add managed = true to [tool.uv] (NVIDIA#5190) Signed-off-by: Kajal Jain <kajalj@nvidia.com> * Stabilize GB200 inference perf tests against cold-start noise (NVIDIA#5171) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * fix: post-CI corrections (docs dup fields, nvrx version gate, utils re-export) - Remove merge-introduced duplicate definitions of use_transformer_engine_op_fuser and moe_expert_rank_capacity_factor (transformer_config.py) and the duplicate _post_param_sync method (param_and_grad_buffer.py) — tripped the docs build. - Relax is_nvrx_min_version() to compare release segments so dev's pinned nvidia-resiliency-ext pre-release (0.6.0.dev33) satisfies main's '>= 0.6.0' assertion (the required-symbol check remains the authoritative guard). - Re-export unwrap_model from megatron/training/utils/__init__.py. main refactored the monolithic training/utils.py into a package whose __init__ dropped this re-export; dev's training.py (and others) import it via 'from .utils import', which broke tests/unit_tests/conftest.py's import chain (cascaded to all suites). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * [dev] [DeepSeek-v4] Add ClampedSwiGLU to MoE mlp_op_fuser and add force balance to hash routing (NVIDIA#5130) * nvidia style guide audit for getting started folder (NVIDIA#5168) Signed-off-by: meg miranda <mmiranda@nvidia.com> * AI aided audit for Nvidia Style guidance (NVIDIA#5141) Signed-off-by: meg miranda <mmiranda@nvidia.com> Co-authored-by: Philip Petrakian <pgpetrak@gmail.com> * Enable selective recompute for `norm_out` in GDN layers (NVIDIA#4715) * fix(elastification): align with get_batch + utils refactors (NVIDIA#5194) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(combined-1f1b): release loss-node input storage after combined backward (NVIDIA#4909) * Minor improvements for Dynamic-cp (NVIDIA#4226) Signed-off-by: xiaoyao0115 <1804647152@qq.com> Signed-off-by: tailaim <tailaim@nvidia.com> * fix: post-CI corrections * chore(beep boop 🤖): Bump (main) (2026-06-08) * Avoid stat syscall in rerun result validation (NVIDIA#5107) Signed-off-by: dimapihtar <dpykhtar@nvidia.com> * docs: Update Latest News in README.md (NVIDIA#3790) * Fix bug with Megatron-FSDP zero counter not working with decoupled gradients. (NVIDIA#4802) Signed-off-by: Cory Ye <cye@nvidia.com> * varlendataset for thd e2e and benchmark (NVIDIA#4832) Signed-off-by: tailaim <tailaim@nvidia.com> Signed-off-by: xiaoyao0115 <1804647152@qq.com> * ci: add smoke tests (NVIDIA#5143) * Add mtp_detach_heads config to detach MTP head inputs (NVIDIA#3456) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * fix: wrap mtp logging comment * docs: fix install guide NGC container anchor (NVIDIA#5224) * [Dev] Add separate toggle for varlen input padding for HybridEP in THD training (NVIDIA#5048) Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com> Co-authored-by: Xin Yao <xiny@nvidia.com> * Fuse per-sequence AlltoAll into a unified one in GDN forward (NVIDIA#4913) * Apply MIMO SP/CP sharding with explicit groups and enable THD in non-colocated path (NVIDIA#5150) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix CUDA IMA in fsdp_double_buffer when an FSDP unit's bucket doesn't fit the pool (NVIDIA#4810) Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * Add named layouts to HyperCommGrid for heterogeneous parallelism (NVIDIA#5148) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix wgrad race condition when using double buffers. (NVIDIA#5222) Signed-off-by: Cory Ye <cye@nvidia.com> * Move uneven DTensor distributed fixture to conftest (NVIDIA#5237) * Route bridge communicator cross-grid P2P through a dedicated process group (NVIDIA#5234) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix test_split_tensor_along_last_dim to actually assert correctness (NVIDIA#4710) Co-authored-by: peibli <lipeibao@126.com> Co-authored-by: Dmytro Pykhtar <37850217+dimapihtar@users.noreply.github.com> * chore: rotate oncall schedule * Add optional group= to common_utils model/data-parallel reduction helpers (NVIDIA#5251) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * ci: Allow DCO check in merge queue and add DCO requirement to Contribution guide (NVIDIA#5278) Signed-off-by: Charlie Truong <chtruong@nvidia.com> * Update copy-pr-bot.yaml [skip ci] * Add MIMO hetero topology + distributed bootstrap (examples/mimo training-loop folder) (NVIDIA#5260) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Remove checkpoint-time GPU cache reclaim workaround (NVIDIA#5170) Signed-off-by: Skand Hurkat <shurkat@nvidia.com> Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> Co-authored-by: oliver könig <okoenig@nvidia.com> * [Dev] DeepSeek-V4-Flash recipe 20260610 (NVIDIA#5266) * [Dev] Generalized fix for mxfp8 param gather (NVIDIA#4994) Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com> Co-authored-by: Xin Yao <xiny@nvidia.com> * [Dev] Cherry-pick MTP detach heads (NVIDIA#5223) * [TE] Restore original CP group after dynamic CP forward in TEDotProductAttention (NVIDIA#5215) Co-authored-by: rionawang <rionawang@tencent.com> * [examples] Add dynamic context parallel benchmark example (NVIDIA#5123) * Remove duplicate nccl_allocator import (NVIDIA#5057) * [dev] Add experimental Megatron Lite as agentic exploration (NVIDIA#4885) Co-authored-by: Deyu Fu <deyuf@nvidia.com> * fix(ci): resolve t5 dataloader stall + GRPO cudagraph-memory regression (CI-validated) (NVIDIA#5280) Signed-off-by: Yan Xu <yxu1@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Fix Dockerfile warnings (NVIDIA#4856) * Fix fused MLA delayed weight grad hooks (NVIDIA#5273) Signed-off-by: Siddhartha Raman Sundara Raman <270218152+sraman-rgb@users.noreply.github.com> Co-authored-by: Siddhartha Raman Sundara Raman <270218152+sraman-rgb@users.noreply.github.com> * ci: limit retries on unsuccessful test launches (NVIDIA#5275) Signed-off-by: Ajay Balasa <abalasa@nvidia.com> * Thread pg_collection into get_model DDP bucket sizing (NVIDIA#5250) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * Enable non-deterministic results in model configuration for nemotron tests (NVIDIA#5239) * Stabilize hybrid nanov3 gb200 perf (NVIDIA#5295) * Clip mtp grads separately when mtp_detach_heads=True (NVIDIA#4116) Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Signed-off-by: Anish Mahishi <amahishi@nvidia.com> Co-authored-by: Anish Mahishi <amahishi@nvidia.com> Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * Thread pg_collection into train_step reductions (NVIDIA#5259) Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * ci: Allow DCO check in merge queue and add DCO requirement (NVIDIA#5305) Signed-off-by: Charlie Truong <chtruong@nvidia.com> Co-authored-by: Charlie Truong <chtruong@nvidia.com> * fix: restore dev-only training.py features dropped by the main override The merge takes main's training.py wholesale (per the sync skill's override list), which silently reverted four dev-only features whose supporting core code the merge keeps at dev's version. Each surfaced as a CI failure: 1. Dynamic context-parallel API rename. Dev renamed get_hybrid_data_context_parallel_groups -> get_dynamic_data_context_parallel_groups (identical signature) and args.hybrid_context_parallel -> dynamic_context_parallel. Point training.py at dev's names. Fixes the conftest.py ImportError that cascaded to every unit-test bucket. 2. Dynamic-CP / sequence-packing data loading. Replace main's setup-time HybridCPDataLoaderWrapper wrap with dev's per-step wrap_data_iterator (gated on config.sequence_packing_scheduler), which returns a RerunDataIterator-compatible iterator. Fixes the *_cp4_dcp RerunDataIterator assertion. 3. MTP loss logging scale. Dev's MTPLossLoggingHelper stores raw loss sums and token counts and computes the per-token loss after reduction, so the log scale must be 1.0; main's 1/get_num_microbatches() divided the reported mtp_N loss by num_microbatches. Fixes moe gpt3_..._scoped_cudagraph mtp_1 loss (was 16x too small: 0.682 vs golden 10.915). 4. DSA indexer loss cross-PP reduction. dsa.py requires num_layers (and csa_compress_ratios) so first-pipeline-stage ranks lazily initialize the tracker and join the cross-PP all_reduce in reduce_loss_in_tracker; main's call omitted them, so stage 0 returned early and the last stage hung on an unmatched all_reduce. Fixes the gpt3_..._dsv4_hybrid_mhc_mtp NCCL timeout. Signed-off-by: svcnvidia-nemo-ci <svcnvidia-nemo-ci@users.noreply.github.com> * [dev]: faster implementation of mHC fused kernels (NVIDIA#4624) Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com> * Allow for pre-bound socket to be passed in server (NVIDIA#5301) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> * Offline Logits-Based Knowledge Distillation (NVIDIA#5019) Signed-off-by: Asha Anoosheh <aanoosheh@nvidia.com> * Handle None values in sampling parameters (NVIDIA#5300) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> Co-authored-by: Jorge Albericio <jalbericiola@nvidia.com> * Add moe loss normalization for RL SFT (NVIDIA#3956) Signed-off-by: Pranav Prashant Thombre <pthombre@nvidia.com> Co-authored-by: Claude Fable 5 <noreply@anthropic.com> * Add code owners for optimizer-related files (NVIDIA#5297) Signed-off-by: janEbert <janpabloe@nvidia.com> Signed-off-by: Philip Petrakian <ppetrakian@nvidia.com> Co-authored-by: Philip Petrakian <ppetrakian@nvidia.com> * Fix EP=1 inference by allocating buffers anyway (NVIDIA#5233) Signed-off-by: Helen Ngo <helenn@nvidia.com> * Fix crash due to tool call at sequence length (NVIDIA#5302) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> Co-authored-by: Jorge Albericio <jalbericiola@nvidia.com> * Inference: Cudagraph-aware admission gating in prefill scheduler (NVIDIA#4870) Signed-off-by: Helen Ngo <helenn@nvidia.com> * Account for reasoning token stripping (NVIDIA#5313) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> * Thread pg_collection through wrap_model_chunks_with_ddp (NVIDIA#5328) Signed-off-by: ykarnati <ykarnati@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * [Dev] Add MoE recipe performance summary (NVIDIA#5289) Signed-off-by: Dennis Liu <denliu@denliu.nvidia.com> Co-authored-by: Dennis Liu <denliu@denliu.nvidia.com> * [Dev] Add DeepEP v2 flex dispatcher backend (NVIDIA#4793) Signed-off-by: tongliu <tongliu@nvidia.com> Co-authored-by: Dennis(Zhenhuan) Liu <denliu@nvidia.com> * fix tflops calculation when sequence_packing_scheduler is not none (NVIDIA#5342) Signed-off-by: xiaoyao0115 <1804647152@qq.com> * chore(beep boop 🤖): Bump (main) (2026-06-15) * [dev] bump emerging optimizers to v0.3.0 (NVIDIA#5320) Signed-off-by: Deyu Fu <deyuf@nvidia.com> * Fix LatentMoE theoretical memory estimate (NVIDIA#5145) Signed-off-by: Shijie Wang <jaywan@nvidia.com> * Add zstandard package to Docker LTS requirements. Fix nightly failures (NVIDIA#5347) Signed-off-by: Ajay Balasa <abalasa@nvidia.com> * fix: preserve seqlen stats in train_step Signed-off-by: Philip Petrakian <ppetrakian@nvidia.com> * Thread MIMO support through the stock training loop (schedule + optimizer) (NVIDIA#5333) Signed-off-by: ykarnati <ykarnati@nvidia.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> * Enable Deepseek-v4 hybrid_model in dev branch Part (1/N) (NVIDIA#5042) Signed-off-by: guihong-nv <guihongl@nvidia.com> Signed-off-by: Guihong Li <guihongl@oci-hsg-cs-001-vscode-02.cm.cluster> Signed-off-by: Yan Xu <yxu1@nvidia.com> Signed-off-by: Guihong Li <guihongl@nvidia.com> Co-authored-by: Guihong Li <guihongl@oci-hsg-cs-001-vscode-02.cm.cluster> Co-authored-by: Yan Xu <yxu1@nvidia.com> Co-authored-by: hx <hongxiaob@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * feat(ssm): whole-module 'gdn' selective recompute for GatedDeltaNet (NVIDIA#5296) Signed-off-by: jinliangl <975761915@qq.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Xin Yao <xiny@nvidia.com> * [Fix] Fix optimizer parameter override bugs. (NVIDIA#5213) Signed-off-by: yangfan.bai <yangfan.bai@shopee.com> Co-authored-by: yangfan.bai <yangfan.bai@shopee.com> Co-authored-by: Xin Yao <xiny@nvidia.com> * [Dev] Add Megatron-FSDP weight prefetch for full recompute (NVIDIA#5175) Signed-off-by: hongbinl <hongbinl@nvidia.com> * ci: default functional test time limit to 4h for release/weekly scopes (NVIDIA#5360) Signed-off-by: oliver könig <okoenig@nvidia.com> * [Dev] add cuda graph support for thd format training. (NVIDIA#4359) Signed-off-by: HaochenYuan <haocheny@nvidia.com> Co-authored-by: Haochen Yuan <haocheny@login-eos01.eos.clusters.nvidia.com> * Fix memory leak with log_max_attention_logit (NVIDIA#4699) (NVIDIA#5067) Signed-off-by: Antoni-Joan Solergibert <asolergibert@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Co-authored-by: Deepak Narayanan <dnarayanan@nvidia.com> * Clean up pretrain_gpt.py and pretrain_hybrid.py formatting and remove module globals (NVIDIA#5351) Signed-off-by: ilml <tolong@nvidia.com> * Add full model cuda graph support for MTP inference (NVIDIA#4950) Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> * Expand the Mamba prefix caching memory safety check to include scratch space buffers (NVIDIA#5348) Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> * Make Megatron RL only materialize last token logit (NVIDIA#4551) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> * Profiling (NVIDIA#3110) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> Co-authored-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> * Support fused MLA QKV checkpoint reload (NVIDIA#5310) Signed-off-by: sraman <sraman@nvidia.com> * Add minimal DBuffer implementation (NVIDIA#4835) Signed-off-by: Jingyue Wu <wujingyue@gmail.com> * [Dev] restore DSv4 tflops calc in training and fix the packed seq case (NVIDIA#5358) Signed-off-by: Hongxiao Bai <hongxiaob@nvidia.com> * [split 1/5] Fix packed THD RoPE under CP (NVIDIA#5243) Signed-off-by: Hollow Man <hollowman@opensuse.org> * Update copy-pr-bot.yaml [skip ci] * Document agent PR commit sign-off and signing (NVIDIA#5381) Signed-off-by: Jingyue Wu <wujingyue@gmail.com> * Remove unused distributed pytest markers (NVIDIA#5380) Signed-off-by: Jingyue Wu <wujingyue@gmail.com> * [feat] Support fine-grained activation offloading in fused group mlp (NVIDIA#5082) Signed-off-by: hongbinl <hongbinl@nvidia.com> * Thread tensor-parallel group into the RADIO patch embedder (NVIDIA#5371) Signed-off-by: ykarnati <ykarnati@nvidia.com> * Add MimoModel.zero_grad_buffer delegating to active DDP submodules (NVIDIA#5372) Signed-off-by: ykarnati <ykarnati@nvidia.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> * [split 3/5] Refactor absorbed MLA projection handling (NVIDIA#5245) Signed-off-by: Hollow Man <hollowman@opensuse.org> * [dev] moe(perf): Restore fused GDN THD all-to-all on dev (NVIDIA#5389) Signed-off-by: Yuzhong Wang <yuzhongw@nvidia.com> * chore: rotate oncall schedule * ci: Remove sync skills workflow (NVIDIA#5091) Signed-off-by: Charlie Truong <chtruong@nvidia.com> * Add flaky marker to fine-grained activation offloading test (NVIDIA#5350) (NVIDIA#5368) Signed-off-by: Ajay Balasa <abalasa@nvidia.com> * Revert "Remove checkpoint-time GPU cache reclaim workaround (NVIDIA#5170)" (NVIDIA#5366) Signed-off-by: Ajay Balasa <abalasa@nvidia.com> * Update goldens for weekly tests after pytorch and TE bumps. (NVIDIA#5399) Signed-off-by: Ajay Balasa <abalasa@nvidia.com> * Add MIMO runtime setup: per-role RNG seeding and DDP wrapping (NVIDIA#5285) Signed-off-by: ykarnati <ykarnati@nvidia.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> * Add --mamba-training-ssm-states-dtype argument (NVIDIA#5309) Signed-off-by: Teodor-Dumitru Ene <teodord.ene@gmail.com> Co-authored-by: Jorge Albericio <jalbericiola@nvidia.com> * chore(beep boop 🤖): Bump (main) (2026-06-22) * Fix Mamba prefix match for chunked prefill (NVIDIA#4758) Signed-off-by: Lawrence McAfee <lmcafee@nvidia.com> * Disag MR2: Refit into multiple destination pools and tied-embedding + UVM fixes (NVIDIA#5187) Signed-off-by: wdykas <wdykas@nvidia.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> * Disag MR1: Add inference shard specs and pg-collection building (NVIDIA#5186) Signed-off-by: wdykas <wdykas@nvidia.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com> * [Fix] Fix MoE router z-loss compatibility with TE CUDA Graph capture. (NVIDIA#5401) Signed-off-by: yangfan.bai <yangfan.bai@shopee.com> Co-authored-by: yangfan.bai <yangfan.bai@shopee.com> * test: mark ep_a2a_overlap activation-offloading test flaky_in_dev (NVIDIA#5450) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * test: mark TestParallelTransformerBlockCudagraphs::test_gpu_cudagraph flaky_in_dev (NVIDIA#5475) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * test: mark gated_delta_net selective-recompute test flaky_in_dev (NVIDIA#5476) Signed-off-by: oliver könig <okoenig@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * fix: post-CI corrections for sync test/impl reconciliation 1) test_optimizer.py: reverted to dev. The sync kept dev's multi_latent_attention.py (split q/kv down-proj, no _synthesize_fused_qkv_down_weight), but auto-merged main's test asserting the fused linear_qkv_down_proj.weight key. 2) training.py: guard the dev-only sequence_packing_scheduler config access with getattr (lines in train_step and train()). main's new MIMO schedule-plumbing test (NVIDIA#5333) passes an empty SimpleNamespace config; the reconciled training.py keeps dev's packing path, so the access must tolerate a config lacking the attribute. Real configs are unaffected (getattr returns the same value). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Signed-off-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com> * fix sequence packing wrapper for eval (NVIDIA#5483) Signed-off-by: xiaoyao0115 <1804647152@qq.com> * [dev] Megatron Lite (4/4) shared attention (NVIDIA#5427) Signed-off-by: Yan Bai <bayan@nvidia.com> * fix: restore fused group MLP offload in main2dev sync (NVIDIA#5493) Signed-off-by: hongbinl <hongbinl@nvidia.com> Signed-off-by: svcnvidia-nemo-ci <svc-nvidia-nemo-ci@nvidia.com> * [dev] [DeepSeek-v4] Packed Sequence (THD) support for DSv4 Hybrid Attention (NVIDIA#5011) Signed-off-by: Hongxiao Bai <hongxiaob@nvidia.com> * Improve default dynamic CP packing scheduler (NVIDIA#5154) Signed-off-by: tailaim <tailaim@nvidia.com> * [dev] moe(perf): Pre-GDR kernel fusion (NVIDIA#5361) Signed-off-by: Yuzhong Wang <yuzhongw@nvidia.com> * Preserve DSA output across fused inverse RoPE (NVIDIA#5526) Signed-off-by: kunlunl <kunlunl@nvidia.com> Co-authored-by: Kaixiang Lei <5780122+shyoshyo@users.noreply.github.com> * Enable Deepseek-v4 hybrid_model in dev branch Part (2/N) (NVIDIA#5485) Signed-off-by: guihong-nv <guihongl@nvidia.com> * [dev] Add experimental decoupled compact LayerWise DDP layout for Muon (NVIDIA#5388) Signed-off-by: pingtianl <pingtianl@nvidia.com> Signed-off-by: Pingtian Li <pingtianl@nvidia.com> Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com> * [dev] Sync Megatron Lite with the latest implementation (NVIDIA#5577) Signed-off-by: Yan Bai <bayan@nvidia.com> * [Dev] fix padding mask docstring (NVIDIA#5598) Signed-off-by: HaochenYuan <haocheny@nvidia.com> * handle split_dtensor --------- Signed-off-by: oliver könig <okoenig@nvidia.com> Signed-off-by: Cory Ye <cye@nvidia.com> Signed-off-by: Maanu Grover <maanug@nvidia.com> Signed-off-by: Keval Morabia <28916987+kevalmorabia97@users.noreply.github.com> Signed-off-by: Li Ding <liding@nvidia.com> Signed-off-by: Yi-Fu Wu <yifu.wu@gmail.com> Signed-off-by: nvskills-svc-account <svc-nvskills-signing@nvidia.com> Signed-off-by: Jingyue Wu <wujingyue@gmail.com> Signed-off-by: conver334 <conver334@gmail.com> Signed-off-by: Chen Cui <chcui@nvidia.com> Signed-off-by: LeSingh1 <sshaurya914@gmail.com> Signed-off-by: Aditya Singh <adisin650@gmail.com> Signed-off-by: Keshav Santhanam <ksanthanam@nvidia.com> Signed-off-by: qiyuw <qiyuw@nvidia.com> Signed-off-by: Charlie Truong <chtruong@nvidia.com> Signed-off-by: Jennifer Chen <jennifchen@nvidia.com> Signed-off-by: yaoyu-33 <yaoyu.094@gmail.com> Signed-off-by: Kajal Jain <kajalj@nvidia.com> Signed-off-by: meg miranda <mmiranda@nvidia.com> Signed-off-by: xiaoyao0115 <1804647152@qq.com> Signed-off-by: tailaim <tailaim@nvidia.com> Signed-off-by: dimapihtar <dpykhtar@nvidia.com> Signed-off-by: Zhongbo Zhu <zhongboz@nvidia.com> Signed-off-by: Shivanjan Chakravorty <shivanjanc@nvidia.com> Signed-off-by: Ajay Balasa <abalasa@nvidia.com> Signed-off-by: Xiaowei Ren <xren@nvidia.com> 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<44701395+returnL@users.noreply.github.com> Co-authored-by: Yan Bai <bayan@nvidia.com> Co-authored-by: Deyu Fu <deyuf@nvidia.com> Co-authored-by: Anish Mahishi <amahishi@nvidia.com> Co-authored-by: svcnvidia-nemo-ci <svcnvidia-nemo-ci@users.noreply.github.com> Co-authored-by: jingqiny-99 <jingqiny@nvidia.com> Co-authored-by: Asha Anoosheh <aanoosheh@nvidia.com> Co-authored-by: Pranav Thombre <pthombre@nvidia.com> Co-authored-by: Dennis Liu <denliu@denliu.nvidia.com> Co-authored-by: Shijie <505749828@qq.com> Co-authored-by: Guihong Li <guihongl@nvidia.com> Co-authored-by: Guihong Li <guihongl@oci-hsg-cs-001-vscode-02.cm.cluster> Co-authored-by: Yan Xu <yxu1@nvidia.com> Co-authored-by: Li Jinliang <975761915@qq.com> Co-authored-by: Baibaifan <39549453+Baibaifan@users.noreply.github.com> Co-authored-by: yangfan.bai <yangfan.bai@shopee.com> Co-authored-by: HaochenYuan <106647990+HaochenYuan@users.noreply.github.com> Co-authored-by: Haochen Yuan <haocheny@login-eos01.eos.clusters.nvidia.com> Co-authored-by: ℍ𝕠𝕝𝕝𝕠𝕨 𝕄𝕒𝕟 <hollowman@opensuse.org> Co-authored-by: Lawrence McAfee <85179052+lmcafee-nvidia@users.noreply.github.com> Co-authored-by: Kunlun Li <94586211+kunlunl@users.noreply.github.com> Co-authored-by: Kaixiang Lei <5780122+shyoshyo@users.noreply.github.com>
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Summary
examples/moe_recipes/qwen3_30b.examples/moe_recipes/README.md.Test plan
diff -qr <agentic-mcore-dev>/release/recipes/qwen3_30b examples/moe_recipes/qwen3_30bDEPENDENCIES,ENV_VARS,ARGS, and H100 FP8fp8_recipe: blockwise.git diff --cached --checkCHECK_ONLY=true BASE_REF=dev uv run --project <agentic-mcore-dev> --extra mcore-lint -- bash tools/autoformat.shmegatron/coreortests.