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Allow specifiying the use of persistent kernel #5129

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Allow specifiying the use of persistent kernel #5129

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5 changes: 5 additions & 0 deletions fbgemm_gpu/experimental/gemm/triton_gemm/fp8_gemm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1212,6 +1212,8 @@ def matmul_fp8_row(
imprecise_acc: bool = False,
tma_persistent: bool = True,
no_use_persistent: Optional[bool] = None,
# add an option to explicitly require the use of persistent process
use_persistent: Optional[bool] = None,
use_warp_specialization: bool = False,
) -> torch.Tensor:
"""
Expand All @@ -1238,6 +1240,9 @@ def matmul_fp8_row(
no_use_persistent = True
else:
no_use_persistent = False
# if use_persistent is explicitly requested, set o_use_persistent to False
if use_persistent:
no_use_persistent = False
# Get datatypes and constants to use.
pt_fp8_dtype, _, _, _ = get_fp8_constants()
# Handle 3D+ a shape
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