[ARK] Improve XPU W4A16 WOQ decode with dense S4 DPAS path - #2331
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Zhenzhong1 wants to merge 2 commits into
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[ARK] Improve XPU W4A16 WOQ decode with dense S4 DPAS path#2331Zhenzhong1 wants to merge 2 commits into
Zhenzhong1 wants to merge 2 commits into
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Signed-off-by: Zhenzhong1 <zhenzhong.xu@intel.com>
Signed-off-by: Zhenzhong1 <zhenzhong.xu@intel.com>
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Description
This PR adds a dense S4 DPAS WOQ path for XPU W4A16 decode when m > 1. The new path avoids the previous generic fallback for small batched decode and directly launches dense DPAS tiles for symmetric INT4 weights with FP16 activations/scales/output.
Summary: