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Support LARC for SGD optimizer only in classy vision #408
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Summary:
In an attempt to implement SimpleCLR for contrastive losses, I needed LARC to enable large batch training. mannatsingh had already done work on this during classy vision open source release. https://our.intern.facebook.com/intern/diff/D18542126/
I initially tried using that diff to have a separate standalone LARC to work for any optimizer but it turned out to be tricky to setup correctly as we need to wrap a given optimizer in LARC (the
getattr
andsetattr
functions were not working). I talked to vreis about it and we decided that for now, we can support it for SGD only, file a task to support other optimizers too later after discussions with mannatsingh once he's back.Differential Revision: D20139718