PR #26850 [webgpu] Optimize AttentionPrepare

[webgpu] Optimize AttentionPrepare #26850

qjia7 wants to merge 8 commits into main from attention_prepare

[webgpu] Optimize attentionPrepare

e15bd722

change the splitQKV to BNSH format

8d38f51b

fix the bugs

dfb98e3f

remove debugging codes

cbb8ef22

SplitPackedQKV with BSD format

0067a2d9

make SplitPackedQKV work on GQA

efdc783d

Add component support to SplitPackedQKV

ceea4d88

qjia7 marked this pull request as ready for review 8 days ago

qjia7 requested a review from

fs-eire 8 days ago

qjia7 requested a review from

copilot-pull-request-reviewer 8 days ago

qjia7 requested a review from

guschmue 8 days ago

qjia7 requested a review from

xiaofeihan1 8 days ago

copilot-pull-request-reviewer commented on 2025-12-23

address comments from Copilot

419e2630

guschmue added ep:WebGPU

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