GV

GeezerVison

The World Wide Web, restored to 800 pixels of glory.

Home|About|Gaming cabinet|Archives|How it works|Starter sites

On this site

  • Sign in
  • ActionsCI/CD and automation
  • CodespacesCloud development environments
  • All Features
  • Documentation
  • Training
  • Certifications
  • Build with Copilot
  • Customize Copilot
  • Integrations
  • Trending repos
  • GitHub Sponsors
  • Developer articles
  • Enterprises

This view

  • Original page
  • New address

GeezerVison is showing github.com — CI-unixish.yml: added profile-guided optimization (PGO) to callgrind step by firewave · Pull Request #580 · cppcheck-opensource/simplecpp

Conversation

@firewave

@firewave firewave commented Oct 31, 2025

Copy link
Copy Markdown
Collaborator

No description provided.

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
All reactions
@firewave

firewave commented Oct 31, 2025

Copy link
Copy Markdown
Collaborator Author

This is to test the impact on performance and to have a foundation to write documentation for the Cppcheck CI/performance guide.
All reactions

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
@firewave

firewave commented Oct 31, 2025 •
edited
Loading

Uh oh!

There was an error while loading. Please reload this page.

Copy link
Copy Markdown
Collaborator Author

g++ - 73,362,451 -> 64,757,385
g++ (system) - 1,193,552,892 -> 1,024,590,246
clang++ - 69,009,338 -> 62,589,273
clang++ (system) - 1,258,982,751 -> 1,140,735,791
All reactions

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
@firewave
firewave force-pushed the pgo branch from c569622 to 0ded7a7 Compare October 31, 2025 15:37
@firewave
CI-unixish.yml: added profile-guided optimization (PGO) to callgrind …
a6a57fc 
…step
@firewave
firewave force-pushed the pgo branch from 0ded7a7 to a6a57fc Compare October 31, 2025 15:43
@firewave

firewave commented Oct 31, 2025

Copy link
Copy Markdown
Collaborator Author

Also just like #577 it will highlight things the compiler is able to optimize and should probably not be hand tuned.
All reactions

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
@firewave
firewave marked this pull request as ready for review October 31, 2025 19:54
@danmar

danmar commented Nov 1, 2025

Copy link
Copy Markdown
Collaborator

what is the difference for g++ and g++ (system) ?
All reactions

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
danmar
danmar approved these changes Nov 1, 2025
View reviewed changes
@firewave

firewave commented Nov 1, 2025

Copy link
Copy Markdown
Collaborator Author

what is the difference for g++ and g++ (system) ?

That is the selfcheck without and with system includes made available.
All reactions

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
@firewave
firewave merged commit d381ec2 into cppcheck-opensource:master Nov 1, 2025
1 check passed

Uh oh!

There was an error while loading. Please reload this page.
@firewave
firewave deleted the pgo branch November 1, 2025 13:23
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@danmar danmar danmar approved these changes

Uh oh!

There was an error while loading. Please reload this page.

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

Uh oh!

There was an error while loading. Please reload this page.

2 participants

@firewave @danmar
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
You are visitor 01402503 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.