Skip to content

[LoopVectorize] Refine runtime memory check costs when there is an outer loop #79800

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Closed
david-arm opened this issue Jan 29, 2024 · 3 comments
Closed

[LoopVectorize] Refine runtime memory check costs when there is an outer loop #79800

david-arm opened this issue Jan 29, 2024 · 3 comments
Labels
performance release:backport release:merged vectorizers
Milestone
LLVM 18.X Release

Comments

@david-arm
Copy link
Contributor

We would like to backport #76034 to fix a major performance regression when using PGO to build certain applications/benchmarks. Specifically, it fixes a 25% regression in the SPEC2017 x264 benchmark.
@david-arm david-arm added this to the LLVM 18.X Release milestone Jan 29, 2024
@github-project-automation github-project-automation bot moved this to Needs Triage in LLVM Release Status Jan 29, 2024
@nikic
Copy link
Contributor

nikic commented Jan 29, 2024

/cherry-pick 962fbaf

@llvmbot llvmbot mentioned this issue Jan 29, 2024
Closed
@llvmbot
Copy link
Member

llvmbot commented Jan 29, 2024

/pull-request #79813

@nikic nikic moved this from Needs Triage to Needs Review in LLVM Release Status Jan 29, 2024
@tstellar
Copy link
Collaborator

Merged: bdaf16d

@tstellar tstellar moved this from Needs Review to Done in LLVM Release Status Jan 29, 2024
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
performance release:backport release:merged vectorizers
Projects
LLVM Release Status
Status: Done
Milestone
LLVM 18.X Release
Development

No branches or pull requests
5 participants
@tstellar @nikic @EugeneZelenko @david-arm @llvmbot