Bug 21994
| Summary: | r37894 causes a 10% regression on richards. | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Gavin Barraclough <barraclough> |
| Component: | JavaScriptCore | Assignee: | Nobody <webkit-unassigned> |
| Status: | RESOLVED INVALID | ||
| Severity: | Normal | CC: | ggaren |
| Priority: | P2 | ||
| Version: | 528+ (Nightly build) | ||
| Hardware: | Mac | ||
| OS: | OS X 10.5 | ||
Gavin Barraclough
r37894 causes a 10% regression on richards. Caused by:
- #define CTI_SAMPLER
+ #define CTI_SAMPLER 0
Measured on my Mac Pro.
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Geoffrey Garen
I am an idiot.
Gavin Barraclough
lol
Geoffrey Garen
Gavin mentioned in person that he saw this effect disappear in later revisions.
Geoffrey Garen
I tried testing against TOT, but changing to "#define CTI_SAMPLER" causes the infamous GCC 4.2 hang.
Geoffrey Garen
It might be nice to do a little more investigation when GCC 4.2 is in a more cooperative mood. For now, though, I think we can close this bug based on Gavin's existing data.