Comments (4)
does it fail EVERY time, or occasionally? I am not able to reproduce this on my machine (ugh!). Did you upgrade nn and cunn packages?
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All tests fail in both Ubuntu and OS X, sure the packages are updated, nn.test() passes without errors. On OS X the error is different though:
th> nn.testcuda{'VolumetricConvolution_forward_single'}
Running 1 tests
* ==> Done Completed 0 asserts in 1 tests with 1 errors
--------------------------------------------------------------------------------
VolumetricConvolution_forward_single
Function call failed
/usr/local/share/lua/5.1/cunn/test.lua:2897: bad argument #1 (field finput does not exist)
stack traceback:
[C]: in function 'forward'
/usr/local/share/lua/5.1/cunn/test.lua:2897: in function </usr/local/share/lua/5.1/cunn/test.lua:2863>
[C]: in function 'xpcall'
/usr/local/share/lua/5.1/torch/Tester.lua:112: in function 'pcall'
/usr/local/share/lua/5.1/torch/Tester.lua:169: in function 'run'
/usr/local/share/lua/5.1/cunn/test.lua:3088: in function 'f'
[string "local f = function() return nn.testcuda{'Volu..."]:1: in main chunk
[C]: in function 'xpcall'
/usr/local/share/lua/5.1/trepl/init.lua:553: in function </usr/local/share/lua/5.1/trepl/init.lua:489>
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on OSX you clearly have an outdated nn package. I added the finput field in this recent commit:
torch/nn@2c6d601
On ubuntu, i reproduced your problem, i think it is a blas issue, looking into it.
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ok fixed the issue via commit torch/nn@b071b6a
Turns out, inside an OpenMP for loop, doing something as simple as:
long j;
#pragma omp parallel for private(j)
for (j=0; j < 10; j++) {
THTensor *inb = THTensor_(new)();
THTensor_(free)(inb);
}
segfaults. not sure why, I tried to figure it out and debug with no luck. So disabled openmp for the volumetric batch looping (CPU)
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