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Changelog

DeepSpeed

DeepSpeed is a deep learning optimization library that makes distributed training and inference easy, efficient, and effective.

deepspeedai/DeepSpeed·

42k4.7kPythonApache-2.0

·Website

billion-parameterscompressiondata-parallelismdeep-learninggpuinference+7

Last updated about 1 month ago

Jan 30, 2026

What's Changed

Update version.txt after 0.18.4 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7765
Various fixes to run on mps by @jeffra in https://github.com/deepspeedai/DeepSpeed/pull/7767
Udpate workflow trigger by @tohtana in https://github.com/deepspeedai/DeepSpeed/pull/7768
fix: delete using namespace std. by @nathon-lee in https://github.com/deepspeedai...

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Jan 7, 2026

What's Changed

Update version by @sfc-gh-truwase in https://github.com/deepspeedai/DeepSpeed/pull/7719
Disable deterministic option in compile tests by @tohtana in https://github.com/deepspeedai/DeepSpeed/pull/7720
Fix SuperOffloadOptimizer_Stage3 crash due to missing param_names parameter by @ImaGoodFella in https://github.com/deepspeedai/DeepSpeed/pull/7715
[AMD][ROCm] Improve sup...

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Dec 9, 2025

What's Changed

Update version.txt after release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7675
[modal ci] fixes by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7676
leaf modules: explain better by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7674
disable nv-lightning-v100.yml cI by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/76...

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Nov 5, 2025

What's Changed

Update version after 0.18.1 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7647
Deduplicate fp32 weights under torch autocast and ZeRO3 by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7651
ulysses mpu: additional api by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7649
ALST/UlyssesSP: more intuitive API wrt variable...

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Oct 23, 2025

What's Changed

Add ZenFlow code for Stage 3 by @JoshWoo2003 in https://github.com/deepspeedai/DeepSpeed/pull/7516
[XPU][CI] recover xpu-max1100 workflow by @Liangliang-Ma in https://github.com/deepspeedai/DeepSpeed/pull/7630
Take **kwargs in init of DeepSpeedZeroOptimizer subclasses by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7634
add support for tensor lea...

Read full release & details

Oct 7, 2025

What's Changed

Update version.txt post 0.17.6 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7572
DeepCompile ZeRO-3: robust allgather for uneven shards; fix profiling… by @juyterman1000 in https://github.com/deepspeedai/DeepSpeed/pull/7489
logging: Also set log level of logger handlers by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7576
Deep...

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Sep 19, 2025

What's Changed

Update version.txt after 0.17.5 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7502
Support DeepSpeed offload and reload states with ZeRO1 and ZeRO2 by @LYMDLUT in https://github.com/deepspeedai/DeepSpeed/pull/7421
CI funding shout out to modal.com by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7503
Fix assert when 'pp_int' object ha...

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Aug 20, 2025

What's Changed

Update version.txt after v0.17.4 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7460
Update README.md by @PKUWZP in https://github.com/deepspeedai/DeepSpeed/pull/7465
Add getter APIs for TP/PP/DP ranks in DeepSpeedEngine by @WoosungMyung in https://github.com/deepspeedai/DeepSpeed/pull/7427
fix issues raised by Coverity scans by @NirSonnenschein...

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Jul 31, 2025

What's Changed

Update version.txt after 0.17.3 release. by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7455
Fix: UnboundLocalError for variable 'dim' about issue by @weeknan in https://github.com/deepspeedai/DeepSpeed/pull/7449
adding TiledFusedLogitsLoss by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7437
TiledFusedLogitsLoss bug fix by @stas00 in https...

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Jul 28, 2025

What's Changed

[TiledMLP]: fix for bs>1 by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7412
Update version.txt after v0.17.2 release. by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7417
Enable torch version dependent compilation of record_module and iter_params by @deepcharm in https://github.com/deepspeedai/DeepSpeed/pull/7362
[BUGFIX] Reset `bucket.eleme...

Read full release & details

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Jan 30, 2026

What's Changed

Update version.txt after 0.18.4 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7765
Various fixes to run on mps by @jeffra in https://github.com/deepspeedai/DeepSpeed/pull/7767
Udpate workflow trigger by @tohtana in https://github.com/deepspeedai/DeepSpeed/pull/7768
fix: delete using namespace std. by @nathon-lee in https://github.com/deepspeedai...

Read full release & details

Jan 7, 2026

What's Changed

Update version by @sfc-gh-truwase in https://github.com/deepspeedai/DeepSpeed/pull/7719
Disable deterministic option in compile tests by @tohtana in https://github.com/deepspeedai/DeepSpeed/pull/7720
Fix SuperOffloadOptimizer_Stage3 crash due to missing param_names parameter by @ImaGoodFella in https://github.com/deepspeedai/DeepSpeed/pull/7715
[AMD][ROCm] Improve sup...

Read full release & details

Dec 9, 2025

What's Changed

Update version.txt after release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7675
[modal ci] fixes by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7676
leaf modules: explain better by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7674
disable nv-lightning-v100.yml cI by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/76...

Read full release & details

Nov 5, 2025

What's Changed

Update version after 0.18.1 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7647
Deduplicate fp32 weights under torch autocast and ZeRO3 by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7651
ulysses mpu: additional api by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7649
ALST/UlyssesSP: more intuitive API wrt variable...

Read full release & details

Oct 23, 2025

What's Changed

Add ZenFlow code for Stage 3 by @JoshWoo2003 in https://github.com/deepspeedai/DeepSpeed/pull/7516
[XPU][CI] recover xpu-max1100 workflow by @Liangliang-Ma in https://github.com/deepspeedai/DeepSpeed/pull/7630
Take **kwargs in init of DeepSpeedZeroOptimizer subclasses by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7634
add support for tensor lea...

Read full release & details

Oct 7, 2025

What's Changed

Update version.txt post 0.17.6 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7572
DeepCompile ZeRO-3: robust allgather for uneven shards; fix profiling… by @juyterman1000 in https://github.com/deepspeedai/DeepSpeed/pull/7489
logging: Also set log level of logger handlers by @eternalNight in https://github.com/deepspeedai/DeepSpeed/pull/7576
Deep...

Read full release & details

Sep 19, 2025

What's Changed

Update version.txt after 0.17.5 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7502
Support DeepSpeed offload and reload states with ZeRO1 and ZeRO2 by @LYMDLUT in https://github.com/deepspeedai/DeepSpeed/pull/7421
CI funding shout out to modal.com by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7503
Fix assert when 'pp_int' object ha...

Read full release & details

Aug 20, 2025

What's Changed

Update version.txt after v0.17.4 release by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7460
Update README.md by @PKUWZP in https://github.com/deepspeedai/DeepSpeed/pull/7465
Add getter APIs for TP/PP/DP ranks in DeepSpeedEngine by @WoosungMyung in https://github.com/deepspeedai/DeepSpeed/pull/7427
fix issues raised by Coverity scans by @NirSonnenschein...

Read full release & details

Jul 31, 2025

What's Changed

Update version.txt after 0.17.3 release. by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7455
Fix: UnboundLocalError for variable 'dim' about issue by @weeknan in https://github.com/deepspeedai/DeepSpeed/pull/7449
adding TiledFusedLogitsLoss by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7437
TiledFusedLogitsLoss bug fix by @stas00 in https...

Read full release & details

Jul 28, 2025

What's Changed

[TiledMLP]: fix for bs>1 by @stas00 in https://github.com/deepspeedai/DeepSpeed/pull/7412
Update version.txt after v0.17.2 release. by @loadams in https://github.com/deepspeedai/DeepSpeed/pull/7417
Enable torch version dependent compilation of record_module and iter_params by @deepcharm in https://github.com/deepspeedai/DeepSpeed/pull/7362
[BUGFIX] Reset `bucket.eleme...

Read full release & details

v0.18.5 Patch Release

What's Changed

v0.18.4 Patch Release

What's Changed

v0.18.3 Patch Release

What's Changed

v0.18.2 Patch Release

What's Changed

v0.18.1 Patch Release

What's Changed

v0.18.0

What's Changed

v0.17.6 Patch Release

What's Changed

v0.17.5 Patch Release

What's Changed

v0.17.4 Patch Release

What's Changed

v0.17.3 Patch Release

What's Changed

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v0.18.5 Patch Release

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v0.18.4 Patch Release

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v0.18.3 Patch Release

What's Changed

v0.18.2 Patch Release

What's Changed

v0.18.1 Patch Release

What's Changed

v0.18.0

What's Changed

v0.17.6 Patch Release

What's Changed

v0.17.5 Patch Release

What's Changed

v0.17.4 Patch Release

What's Changed

v0.17.3 Patch Release

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