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GPU tests started failing on K40 #3

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inducer opened this issue Dec 12, 2016 · 2 comments
Open

GPU tests started failing on K40 #3

inducer opened this issue Dec 12, 2016 · 2 comments

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@inducer
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inducer commented Dec 12, 2016 

PYOPENCL_TEST=nvi:k40 python test_fmm.py 'test_fmm_completeness(cl._csc, 3, 50000, 40000, "", p_normal, p_normal, None)'

seems to fail somewhat reliably. Strangely, this happens with a fairly ancient set of versions: 88bdb3a for boxtree, and f999323804b6df44abf7da1181e66fed831f86f7 for pyopencl. It happens in the same fashion with newer code. The timing coincides with an Nvidia driver upgrade on those machines. I've tried rolling back to an older driver, but I can't quite reconstruct what version we were on.

cc @mattwala
@inducer
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inducer commented Dec 12, 2016

Affected drivers are 370.x and 375.x. 367.x is what we had before.

@inducer
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inducer commented Dec 12, 2016

Restoring to 367.x seems to have fixed things.

@inducer inducer mentioned this issue Mar 10, 2017
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