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Fine tune CMF 500x large&medium K shapes to boost flops #4766

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Fine tune CMF 500x large&medium K shapes to boost flops #4766

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18 changes: 18 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 @@ -149,6 +149,16 @@ def get_configs_io_bound() -> List[Config]:
return configs


def dummy_prune_configs(configs, named_args, **kwargs):

M = named_args["M"]
N = named_args["N"]
K = named_args["K"]

logger.info(f"{len(configs)=} {len(configs)=} for {M=} {N=} {K=}")
return configs


MATMUL_CONFIGS: List[Config] = [
# basic configs for compute-bound matmuls
Config(
Expand Down Expand Up @@ -176,6 +186,11 @@ def get_configs_io_bound() -> List[Config]:
num_stages=4,
num_warps=4,
),
Config(
{"BLOCK_M": 64, "BLOCK_N": 128, "BLOCK_K": 256, "SPLIT_K": 1},
num_stages=4,
num_warps=4,
),
Config(
{"BLOCK_M": 128, "BLOCK_N": 128, "BLOCK_K": 32, "SPLIT_K": 1},
num_stages=4,
Expand Down Expand Up @@ -252,6 +267,9 @@ def get_configs_io_bound() -> List[Config]:

@triton.autotune(
configs=MATMUL_CONFIGS,
prune_configs_by={
"early_config_prune": dummy_prune_configs,
},
key=[
"m_key",
"n_key",
Expand Down
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