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[GPU] Non-deterministic behavior with residual function #110

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michel2323 opened this issue Feb 26, 2021 · 2 comments
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[GPU] Non-deterministic behavior with residual function #110

michel2323 opened this issue Feb 26, 2021 · 2 comments
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@michel2323
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With multiple instances on a single GPU we observe non-deterministic results. The issue can be pinned down to the residual function in the Newton-Raphson. This either yields a wrong Jacobian or a wrong step update.
@michel2323 michel2323 mentioned this issue Feb 26, 2021
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@frapac frapac changed the title Non-deterministic behavior [GPU] Non-deterministic behavior with residual function Mar 10, 2021
@michel2323
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Branch with diagnostics is here.

@michel2323 michel2323 added the bug Something isn't working label Mar 15, 2021
@lcw lcw mentioned this issue Mar 27, 2021
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@michel2323
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Resolved by #145

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