SYCL Performance Regression in f527c4c

UoB-HPC / miniBUDE

A BUDE virtual-screening benchmark, in many programming models

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SYCL Performance Regression in f527c4c #13

Closed andreipoe closed 3 years ago

andreipoe commented 4 years ago

Commit f527c4c decreases performance by more than 2X on Cascade Lake:

< 099e6ed
---
> f527c4c
12,13c12,13
< - Total time:     5603.552 ms
< - Average time:   700.444 ms
---
> - Total time:     12375.770 ms
> - Average time:   1546.971 ms

tom91136 commented 3 years ago

Will fill in details after hearing back from Intel w.r.t cl::sycl::native::sqrt

tom91136 commented 3 years ago

This has been resolved after upgrading to golden release of oneAPI