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sebastian
2016 Oct 12
3
[test-suite] making polybench/symm succeed with "-Ofast" and "-ffp-contract=on"
On 12 October 2016 at 15:05, Hal Finkel <hfinkel at anl.gov> wrote:
> This is something we need to understand. No, there's not always an error bar. With FMA formation and without non-IEEE-compliant optimizations (i.e. fast-math), the optimized answer should be identical to the non-optimized answer.
What about architectures that this is never respected, like Darwin?
In the general