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OpenCL problem with Windows on Intel integrated CPU #54

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iopq opened this issue Jul 23, 2019 · 6 comments
Closed

OpenCL problem with Windows on Intel integrated CPU #54

iopq opened this issue Jul 23, 2019 · 6 comments

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@iopq
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iopq commented Jul 23, 2019

I first waited for the tuning to finish then whenever I launch it it spits out

KataGo v1.2
Using OpenCL Device 0: Intel(R) HD Graphics 5500 (Intel(R) Corporation) OpenCL 2
.0
Loaded tuning parameters from: ./KataGoData/opencltuning/tune_gpuIntelRHDGraphic
s5500_x19_y19_c96_mv5.txt
Uncaught exception: CL_BUILD_PROGRAM_FAILURE
BUILD LOG FOR xgemmDirectProgram ON DEVICE 0
fcl build 1 succeeded.

and then it quits
@lightvector
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@Naphthalin posted a very similar error to yours with Intel HD Graphics 4600, where it tuned successfully, then failed to build when actually using the parameters (despite building successfully when tuning). "fcl build 1 succeeded" is supposed to be the error message when building, which strangely sounds like a success!

I think the answer might be that Intel HD Graphics OpenCL is simply buggy. At least, I'm not sure there's much I can do here. See CNugteren/CLBlast#280

@l1t1
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l1t1 commented Jul 23, 2019

try 32bit version, my 4400 works on it

@iopq
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iopq commented Jul 24, 2019

32bit didn't work, LeelaZero works fine for some reason

@iopq
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iopq commented Aug 29, 2019

I did the tuning again to see what happened

Tuning xGemmDirect for convolutions
Testing 56 different configs
WARNING: Reference implementation failed: CL_BUILD_PROGRAM_FAILURE
Tuning 20/56 ...
Tuning 40/56 ...
ERROR: Could not find any configuration that worked
Done tuning
------------------------------------------------------
Uncaught exception: CL_BUILD_PROGRAM_FAILURE
BUILD LOG FOR xgemmDirectProgram ON DEVICE 0
fcl build 1 succeeded.

@portkata
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Does the current 1.3.2 engine work with intel graphics for anyone? if so, which intel graphics generation do you have?

@Terkwood Terkwood mentioned this issue Feb 29, 2020
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@lightvector
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Seems basically the same as #78, and also a pretty old issue so closing this issue and just leaving the other one open for user visiblity.

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@iopq @lightvector @l1t1 @portkata