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80692f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | """Shape sweep for W4A16 GEMM.
Llama-style up_proj / qkv_proj shapes. Decode (M=1) is the bandwidth-bound
case every inference engine optimizes -- it's the bar to beat.
"""
SHAPES = [
{"M": 1, "N": 12288, "K": 4096}, # decode: memory-bound on int4 weight read
{"M": 32, "N": 12288, "K": 4096}, # small prefill: mixed regime
{"M": 256, "N": 12288, "K": 4096}, # larger prefill: approaching compute
{"M": 1, "N": 4096, "K": 4096}, # decode: square shape
{"M": 16, "N": 14336, "K": 4096}, # speculative-decode-ish
]
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