Skip to content
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.

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

cmd/compile: feedback-guided optimization #28262

josharian opened this issue Oct 17, 2018 · 0 comments


None yet
1 participant
Copy link

commented Oct 17, 2018

This is an umbrella issue for supporting feedback-guided optimization. This has been discussed offhand in a few other contexts (inlining decisions: #17566, code layout decisions: #20356, language changes: #24204, stack growth: #18138).

It is not clear what the design for FGO/PGO support might look like. In particular, what do the feedback/profile files look like?

@aclements observed during conversation at GopherCon 2018 that in order to preserve reproducible builds and efficiency, the feedback file needs to be hashed by cmd/go along with all other inputs, which suggests that it ought to be committed to version control.

cc @randall77 @ianlancetaylor @aclements @crawshaw @bradfitz @CAFxX (and the list could go on, but I'm sure everyone will find it)

@josharian josharian added this to the Unplanned milestone Oct 17, 2018

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
You can’t perform that action at this time.