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ND4J CUDA: LapackTest.testCholeskyL/U failing #8167

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AlexDBlack opened this issue Aug 29, 2019 · 3 comments

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@AlexDBlack
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commented Aug 29, 2019

Fine on CPU.

Windows 10, CUDA 10.1 update 1, GTX 970, latest master.

org.nd4j.linalg.api.blas.BlasException: cusolverDnDpotrf_bufferSize failed: 3

	at org.nd4j.linalg.jcublas.blas.JcublasLapack.dpotrf(JcublasLapack.java:551)
	at org.nd4j.linalg.api.blas.impl.BaseLapack.potrf(BaseLapack.java:102)
	at org.nd4j.linalg.api.blas.LapackTest.testCholeskyL(LapackTest.java:83)
@saudet

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commented Aug 29, 2019

@rcorbish Would you know by any chance the fix?

@rcorbish

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commented Aug 30, 2019

Let me take a look. Please assign to me. Looks like a conversion between cuda & CPU was missed.
UPLO is 'L' or 'H;, should be a CUBLAS_FILL_MODE_LOWER

@AlexDBlack

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commented Sep 5, 2019

Confirmed passing now, thanks.

@AlexDBlack AlexDBlack closed this Sep 5, 2019

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