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multi-GPU support for mine_hard_negatives #2967

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multi-GPU support for mine_hard_negatives #2967

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alperctnkaya
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Added support for multi-GPU encoding in sentence embeddings with model.encode_multi_process

@tomaarsen tomaarsen changed the base branch from v3.1-release to master October 17, 2024 15:52
@tomaarsen tomaarsen force-pushed the patch-2 branch 2 times, most recently from ab85d71 to 25f1c08 Compare October 17, 2024 15:57
@tomaarsen
Merge branch 'master' into pr-2967
eb5d523
@tomaarsen
Run 'pre-commit run --all'
6e024bb
@tomaarsen
Rename use_multiple_gpus to use_multi_process
b161e5e 
Because this also supports multiple CPUs & multi_process is what the underlying code is called.
Also stop the pools afterwards again
And remove code duplication
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tomaarsen commented Nov 26, 2024 •
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Hello!

Apologies for the delay.
I made some changes to the PR:

  1. Rename use_multiple_gpus to use_multi_process, because it also supports multi-processing for CPUs.
  2. Remove code duplication because the query/corpus embedding is the same regardless of whether faiss is used or not.
  3. Add model.stop_multi_process_pool(pool) to avoid the multiprocessing pool components from being kept unnecessarily.
  4. Added a docstring for use_multi_process
  5. Update use_multi_process so that you can both use True for all GPUs/4 CPUs or a list of devices for more customizability.

I'm curious what you think @alperctnkaya!

  • Tom Aarsen

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@alperctnkaya @tomaarsen