ZeRO-1 empty grads fix + tests #1273
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Collaborator
jeffra
commented
Aug 2, 2021
jeffra
commented
- Only reduce non-empty grads for stage 1
- Add unit test and ensure empty grads are triggered for all ranks
- Only empty grads if stage 2
- Add context comments to empty grads calls
jeffra
requested review from
awan-10,
cli99,
conglongli,
eltonzheng,
minjiaz,
niumanar,
RezaYazdaniAminabadi,
samyam,
ShadenSmith and
tjruwase
as code owners
tjruwase
approved these changes
Aug 2, 2021
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