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Forum: Msieve 2022-10-05, 23:21
Replies: 117
Views: 20,643
Posted By RichD
Here is a data point for the crossover using a...

Here is a data point for the crossover using a GPU for LA.

Attempt to run 50+% memory over subscribed on a 6GB card. use_managed=1
saving the first 240 matrix rows for later
matrix includes 256...
Forum: Msieve 2022-08-29, 01:57
Replies: 117
Views: 20,643
Posted By RichD
I forgot to add -g 0 to the command line and it...

I forgot to add -g 0 to the command line and it seemed to default to device 0. I did specify use_managed=1 so maybe that was enough to invoke the GPU. Then again, I may be using an earlier release.
Forum: Msieve 2022-07-31, 01:54
Replies: 117
Views: 20,643
Posted By RichD
Attempting a ridiculous LA with the matrix...

Attempting a ridiculous LA with the matrix needing more than five times the GPU memory, even trying with use-managed=1, was a no-go as expected.
matrix is 33782739 x 33783144 (13141.4 MB) with...
Forum: Msieve 2022-07-16, 22:51
Replies: 117
Views: 20,643
Posted By RichD
I am thinking of tackling a much larger job where...

I am thinking of tackling a much larger job where the matrix might be 5-6 times the GPU memory I have on a GTX 1660 (6GB) card. I know it helps on smaller jobs where the memory requirements are less...
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