ci: disable sccache preprocessor cache mode#2221
Open
leofang wants to merge 1 commit into
Open
Conversation
The preprocessor cache has produced 0 hits in every observed CI run because pip's per-run build-isolation overlay path lands in -I flags and sccache hashes raw compiler arguments without basedir stripping. The lookup overhead is ~20 min per Linux wheel job; until the underlying issue is fixed, just stop enabling it. See NVIDIA#2220.
Contributor
Member
Author
|
/ok to test 369917e |
Member
Author
|
Observed effect on
|
|
Contributor
I think you mean ~20 sec? Still very worthwhile, just wanted to make sure I understand correctly. |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
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Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be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.
Closes #2220.
Preprocessor cache hits are 0% in every CI run sampled, and the lookups cost ~20 min per Linux wheel job. Disable until the underlying pip-build-env path leak is fixed at the source. The object cache via GHAC is unaffected (still hits ~100%).