Compiler collectives

04/08/2024 16 min Episodio 83
Compiler collectives

Listen "Compiler collectives"

Episode Synopsis

Compiler collectives are a PT2 feature where by compiler instances across multiple ranks use NCCL collectives to communicate information to other instances. This is used to ensure we consistently decide if inputs or static or dynamic across all ranks. See also PR at https://github.com/pytorch/pytorch/pull/130935