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Commits on Jun 4, 2026

• Fix ZenFlow ZeRO-3 selective optimizer crash with parameter offload on nvme (#8042)

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  Antlera

  and

  tohtana

  authored
  28a196f

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Commits on Jun 2, 2026

• Fix DeepCompile ZeRO-3 release parameter lifetime (#8032)

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  tohtana

  and

  eternalNight

  authored
  3e486fe

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Commits on May 30, 2026

• Bump version after 0.19.1 release (#8040)

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  tohtana

  authored
  334230f

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• Version fix to unblock pypi (#8039)

  sfc-gh-truwase

  authored
  d5d118c

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• Fix DeepCompile all-gather scheduler candidate selection (#8033)

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  tohtana

  authored
  819af0e

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Commits on May 29, 2026

• Simplify module_inject.transpose (#8028)

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  3 peopleauthored
  1afa3a5

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Commits on May 28, 2026

• feat(zero): enable torch.func transforms on engine for ZeRO 0/1/2 (#8026)

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  roycho96

  and

  tohtana

  authored
  4370aa5

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• Add engine.coalesce_grad_reduction() for ZeRO 1/2/3 multi-backward (#7992)

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  roycho96

  and

  tohtana

  authored
  60b242a

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Commits on May 27, 2026

• Bump version (#8030)

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  sfc-gh-truwase

  and

  tohtana

  authored
  a0b98d3

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• Keep required CI checks visible for ignored paths (#8019)

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  tohtana

  and

  sfc-gh-truwase

  authored
  77a249f

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• Fix full CI test isolation for ZeRO chmod and NVMe quantization tests (#8008)

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  tohtana

  and

  sfc-gh-truwase

  authored
  4570c50

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• Fix PR-target workflow concurrency groups (#8017)

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  tohtana

  and

  sfc-gh-truwase

  authored
  b7aef4d

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• Run AutoSP compile tests sequentially (#8020)

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  tohtana

  authored
  2c8a007

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• fix(fp16): filter requires_grad in FP16 optimizer flat buffer init (#8029)

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  avicooper1

  authored
  01e3a28

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Commits on May 25, 2026

• Fix DeepCompile AOT kwargs patching for PyTorch >= v2.11 (#8024)

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  tohtana

  authored
  510ebe5

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Commits on May 24, 2026

• Support flash-attn 2.7.0 in FPDT attention (#8022)

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  4 peopleauthored
  4542922

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• fix(zero): enable vmap on LinearFunctionForZeroStage3 (#8023)

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  roycho96

  and

  tohtana

  authored
  ae576f8

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Commits on May 22, 2026

• Sort and dedupe -gencode flags emitted by op_builder.builder (#8021)

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  adityasingh2400

  authored
  4316646

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Commits on May 21, 2026

• fix: add setup_context for torch.func compatibility (#7916)

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  3 peopleauthored
  67b9e21

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• fix gemma4 num attention head bugs (from #7975) (#7990)

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  delock

  authored
  bd71eed

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• [Blog] Muon Optimizer Support in DeepSpeed (#7962)

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  delock

  authored
  de47309

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Commits on May 20, 2026

• [fix] fix test_zf.py hang bug (#8012)

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  3 peopleauthored
  26ee385

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• Support bf16 optimizer states with CPU offload (#8010)

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  3 peopleauthored
  3c337b5

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• Make GitHub Actions job names unique (#8014)

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  tohtana

  authored
  9f95452

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• Run FastFileWriter fd-close test outside pytest-forked (#8015)

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  tohtana

  authored
  d6d4b3d

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• Add configurable torch-latest dependency versions (#8016)

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  tohtana

  authored
  b387166

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Commits on May 19, 2026

• Remove stale step() docstring from DeepSpeedCPUAdam (#8011)

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  lucaspirola

  and

  claude

  authored
  ae07514

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• Fix ZeRO-3 forward crash on modules with plain dict _parameters (#8009)

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  roycho96

  and

  tohtana

  authored
  d7a3972

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• fix: use subprocess instead of os.system in data_analyzer.py (#7994)

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  orbisai0security

  and

  tohtana

  authored
  8cdf865

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Commits on May 18, 2026

• Auto-detect CUTLASS for EvoformerAttention (#8000)

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  MaxTretikov

  and

  tohtana

  authored
  d5356e0

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Commits on May 17, 2026

• fix(io): close aio_fd in FastFileWriter._fini to prevent fd leak (#8005)

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  jg-heo

  and

  tohtana

  authored
  b01a091

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Commits on May 14, 2026

• zero3: SDMA allgather via mori (sdma_allgather) (#7999)

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  inkcherry

  and

  wuyl1

  authored
  66af8f0

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Commits on May 13, 2026

• Optimize singleton MoE collectives (#7997)

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  Tianyi-Franklin-Wang

  and

  delock

  authored
  5549141

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• Update topkgating probability-mask test expectation (#8007)

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  tohtana

  authored
  5be4c70

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Commits on May 11, 2026

• Add office hours times/link on the README (#8004)

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  loadams

  authored
  883fefb

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