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compile time regression
- From: Benjamin Kosnik <bkoz at redhat dot com>
- To: gcc at gcc dot gnu dot org
- Date: Tue, 22 Aug 2006 13:56:28 +0200
- Subject: compile time regression
Hey y'all. I'm just getting back from vacation and as I re-build my
testing baselines, I've noticed a huge compilation time regression.
This happened sometime post Aug 1, 2006. Anybody else notice?
Some of this was also measured more formally on the CSiBE website:
I see 2x slowdowns for both g++ and libstdc++ testing. I'm still
investigating, but the usual culprit for this pathology is PCH being
messed up. Strangely, it looks like PCH files are fine, and are being
However, CSiBE is only C and is also seeing a slowdown (though not as
dramatic) so maybe this is something else.
I don't see any open bugzilla reports about this: should I go ahead and