PR #27822 Fix CPU Attention overflow issue

Fix CPU Attention overflow issue #27822

edgchen1 merged 13 commits into main from edgchen1/fix_attention_softmax_overflow

add GetTotalPhysicalMemoryBytes helper

c9f71907

add test

b72abd5e

fix overflow issue

1769061a

lint

20332e89

update comment

d30ee590

increase tolerance for test output

70cd5b14

expect test overflow in 32-bit builds, update test name and comment

605328f3

edgchen1 requested a review from

copilot-pull-request-reviewer 15 days ago

copilot-pull-request-reviewer commented on 2026-03-24

Fix integer overflow in FP16 softmax allocation

c3ba15bc

edgchen1 requested a review from

copilot-pull-request-reviewer 15 days ago

copilot-pull-request-reviewer commented on 2026-03-24

Apply suggestion from @Copilot

8c69b10a

propagate safeint

a168897c

edgchen1 requested a review from

copilot-pull-request-reviewer 15 days ago

copilot-pull-request-reviewer commented on 2026-03-24

Add float16 header.

33cc1ea7

improve size_t overflow check

136a6e22

edgchen1 requested a review from

copilot-pull-request-reviewer 15 days ago

copilot-pull-request-reviewer commented on 2026-03-24

update comments

9923ec08

edgchen1 marked this pull request as ready for review 15 days ago

edgchen1 requested a review from

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copilot-pull-request-reviewer commented on 2026-03-25

titaiwangms requested a review from

titaiwangms 9 days ago

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xadupre 9 days ago

titaiwangms approved these changes on 2026-03-30

edgchen1 enabled auto-merge (squash) 7 days ago

edgchen1 merged 2bf09e93 into main 6 days ago

edgchen1 deleted the edgchen1/fix_attention_softmax_overflow branch 6 days ago

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onnxruntime Fix CPU Attention overflow issue #27822 Merged

Fix CPU Attention overflow issue #27822

onnxruntime
Fix CPU Attention overflow issue
#27822

Merged