Displaying 1 result from an estimated 1 matches for "sum_tang".
2016 Oct 12
4
[test-suite] making polybench/symm succeed with "-Ofast" and "-ffp-contract=on"
On Wed, Oct 12, 2016 at 10:53 AM, Hal Finkel <hfinkel at anl.gov> wrote:
> I don't think that Clang/LLVM uses it by default on x86_64. If you're using -Ofast, however, that would explain it. I recommend looking at -O3 vs -O0 and make sure those are the same. -Ofast enables -ffast-math, which can legitimately cause differences.
>
The following tests pass at "-O3" and