10-20x faster load checkpoint (for critic/reward model) #675
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awan-10
requested review from
RezaYazdaniAminabadi,
ShadenSmith,
arashb,
conglongli,
duli2012,
eltonzheng,
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minjiaz,
mrwyattii,
samyam,
tjruwase,
xiaoxiawu-microsoft and
yaozhewei
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yaozhewei
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Aug 8, 2023
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removing debugging and change step ==1 back, the rest looks great to me
…Examples into amawa/fast-load-ckpt
…eepSpeedExamples into amawa/fast-load-ckpt
LeetJoe
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to LeetJoe/DeepSpeedExamples
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Sep 15, 2023
) Co-authored-by: Lev Kurilenko <[email protected]>
hwchen2017
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Jun 8, 2025
Co-authored-by: Lev Kurilenko <[email protected]>
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This PR implements a new code path to provide 10-20x faster load checkpoint times. The code has been adapted from HF from_pretrained functionality when DeepSpeed Z3 is enabled.