[TEST] Modify mxfp tests to allow faster runtime #5602
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Signed-off-by: Whitney Tsang <[email protected]>
anmyachev
reviewed
Dec 3, 2025
| kernel_kwargs["num_warps"] = 8 | ||
| if is_xpu(): | ||
| # since the block size are big we use num_warps = 32 to avoid pressure problems. | ||
| kernel_kwargs["num_warps"] = 32 |
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I'm just curious how you chose it. Why not 16, for example?
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32 is the max with double GRF.
anmyachev
reviewed
Dec 3, 2025
| stride_am, stride_ak, # | ||
| stride_bk, stride_bn, # | ||
| stride_cm, stride_cn, # | ||
| stride_am: tl.constexpr, stride_ak: tl.constexpr, # |
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Doesn't this increase compilation time? So, each new value requires a recompile, right?
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yes, but without constexpr, 2d block io cannot be used, and runtime is slow.
anmyachev
approved these changes
Dec 3, 2025
etiotto
approved these changes
Dec 3, 2025
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