[Bug 82050] R9270X pyrit benchmark perf regressions with latest kernel/llvm

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 5 02:40:18 PDT 2014


--- Comment #2 from Michel Dänzer <michel at daenzer.net> ---
There was a recent change to LLVM which increased conformance with OpenCL
floating point semantics at some performance cost. That might explain at least
some of the difference.

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