FEAT [Trainer
/ bnb
]: Add RMSProp from bitsandbytes
to HF Trainer
#29082
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What does this PR do?
As requested by the community, this PR adds the support for bnb RMSProp optimizers to HF Trainer !
RMSProp
exists in bitsandbytes since its first commit: bitsandbytes-foundation/bitsandbytes@7439924#diff-8384af03566f84c3055f3fee7b1516696a1546d130d63935714af17781d6202b so this PR is compatible with all versions of bnb.I also added nice tests, which all pass on my machine
Fixes: huggingface/trl#1336
cc @amyeroberts and @Titus-von-Koeller FYI !