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Testing of support for VSX instruction set? #15

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Tracked by #21
alanw0 opened this issue May 1, 2020 · 1 comment
Open
Tracked by #21

Testing of support for VSX instruction set? #15

alanw0 opened this issue May 1, 2020 · 1 comment

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@alanw0
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alanw0 commented May 1, 2020

This is maybe more of a question than an issue...
Is there a dashboard or any testing code for the support of the various instruction sets?

We (STK) have a user (nalu-wind) that decided to do a host-only (no cuda) build/run on summit (IBM/POWER9, which has VSX/altivec instruction set) and found that they are getting nans in the solver, and traced it back to the commit where we activated kokkos-simd.
We currently don't have any testing for VSX in Sierra, since our ATS-2 builds have cuda activated, meaning we only get scalar-simd.
FYI @tasmith4 @sayerhs

@ibaned
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ibaned commented Aug 21, 2020

@alanw0 I think the short answer is we don't have a dashboard right now for testing across instruction sets. Personally I think this won't really happen until its merged into Kokkos and leverages the Kokkos testing infrastructure.

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