NVIDIA
[QST]when will DelayTmaStore be important?
I see DelayTmaStore in the code but I do not understand when we need it. Could anyone tell me? Thanks!
It's to optimize the dependency between storing to shared memory (ss) and tma storing to global memory (sg) in epilogue. Usually one sg is issued after one ss. If DelayTmaStore is specified, one sg is issued after two ss. It's for performance consideration, sometimes more ss is better fused with alu.
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