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Search: Posts Made By: frmky
Forum: Factoring 2021-09-04, 22:01
Replies: 101
Views: 7,368
Posted By frmky
Does it affect the runtime? I don't care much...

Does it affect the runtime? I don't care much about the compile time. Just compile a few small kernels for testing, and once it's stable include a good coverage of kernels and just let it compile...
Forum: Factoring 2021-09-03, 07:02
Replies: 101
Views: 7,368
Posted By frmky
Nearly all of the factors that I found for...

Nearly all of the factors that I found for Factoring for a Publication 2 used this code.
Forum: Factoring 2021-09-02, 22:28
Replies: 101
Views: 7,368
Posted By frmky
I think this can be triggered if the version of...

I think this can be triggered if the version of CUDA supported by the driver doesn't match the toolkit version. But this is usually ok as long as the driver is a little newer. I think both this and...
Forum: Factoring 2021-09-01, 21:10
Replies: 101
Views: 7,368
Posted By frmky
cudacommon.h is missing from the git repository.

cudacommon.h is missing from the git repository.
Forum: Factoring 2021-08-30, 19:34
Replies: 101
Views: 7,368
Posted By frmky
Is there a simpler way to distribute stage 2...

Is there a simpler way to distribute stage 2 across multiple cores than creating a script to use the -save option with B2=0, split the save file, then launch multiple ecm processes with -resume?
Forum: Factoring 2021-08-30, 18:52
Replies: 101
Views: 7,368
Posted By frmky
Yes, test.gpuecm completes successfully both with...

Yes, test.gpuecm completes successfully both with and without -cgbn. I'm using a V100 with CUDA 11.3.
Forum: Factoring 2021-08-28, 23:23
Replies: 101
Views: 7,368
Posted By frmky
Those changes to acinclude.m4 aren't enough. It...

Those changes to acinclude.m4 aren't enough. It still can't find gmp.h during the test compile. We need to add a -I for the gmp include directory. And that breaks the build since it's trying to...
Forum: Factoring 2021-08-28, 22:50
Replies: 101
Views: 7,368
Posted By frmky
$ echo "(2^997-1)" | ./ecm -gpu -sigma 3:1000...

$ echo "(2^997-1)" | ./ecm -gpu -sigma 3:1000 20000 0
GMP-ECM 7.0.5-dev [configured with GMP 6.2.1, --enable-asm-redc, --enable-gpu, --enable-assert] [ECM]
Input number is (2^997-1) (301 digits)...
Forum: Factoring 2021-08-28, 07:07
Replies: 101
Views: 7,368
Posted By frmky
That was a painful configure. I'm using nvhpc...

That was a painful configure. I'm using nvhpc rather than the CUDA toolkit, so the directory structure is different and the cuda lib is just a stub so the check for cuInit() fails. I can point to the...
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