20210731, 18:36  #177 
"Rich"
Aug 2002
Benicia, California
3×11×43 Posts 
478__891_13m1 factored
Code:
p76 factor: 3431470368665622242184217103591598096099932327907456020495877029935727723147 p82 factor: 7615720048137620822959331660523770456031672477991612884633860118579072277536159943 Log attached and at https://pastebin.com/ursm0Hmb Factors added to factordb. 
20210731, 18:36  #178  
Jul 2003
So Cal
3×751 Posts 
Quote:
Larger matrices can be divided across multiple GPU's with MPI. Currently, though, we have to transfer vectors off and back on the GPU for the MPI comms multiple times in each iteration, which introduces a large performance hit. I've added support for CUDAaware MPI but OpenMPI still transfers off the card for collective reductions. MVAPICH2GDR I think supports collective reductions on the card, but it's still being tested on the SDSC Expanse cluster. Hopefully that will be working in a few weeks. But for now quick tests show a 43M matrix on two cards in ~70 hours and an 84M matrix on four cards in ~350 hours. 

20210806, 06:32  #179 
Jul 2003
So Cal
3·751 Posts 
275__471_7m1 is factored and posted. The 4.9M matrix took 37 minutes to solve on a V100.

20210806, 10:05  #180 
Sep 2008
Kansas
5^{2}·139 Posts 

20210808, 15:32  #181 
"Rich"
Aug 2002
Benicia, California
3·11·43 Posts 
228__877_13m1 factored
Code:
p71 factor: 30764958729565508484880341083575244195277785972334468896433685365982679 p84 factor: 678970423122703057140573081857968878682989180158386921603029858822918272257102908581 Log attached and at https://pastebin.com/4azJHm9V Factors added to factordb. 
20210808, 15:34  #182 
"Rich"
Aug 2002
Benicia, California
3·11·43 Posts 
Taking 261__601_13m1

20210808, 23:40  #183 
"Rich"
Aug 2002
Benicia, California
58B_{16} Posts 
474__749_11m1 factored
Code:
p59 factor: 73119398814213571649205971000941430624353762947445533933047 p99 factor: 268848587983605823488306320117291030386483771174564863043022982200674143258795499226789114717733577 Log attached and at https://pastebin.com/DFSQmvg2 Factors added to factordb. 
20210813, 13:50  #184 
"Rich"
Aug 2002
Benicia, California
3·11·43 Posts 
261__601_13m1 factored
Code:
p62 factor: 56146592317121920255303081963338793425677534352049844673096611 p128 factor: 64457733833344456440386887077326733647815241253008397942166314360406672207208434693484135241565811229366738777648026384819776361 Log attached and at https://pastebin.com/P22jhaHu Factors added to factordb. 
20210813, 13:51  #185 
"Rich"
Aug 2002
Benicia, California
58B_{16} Posts 
Taking 274__353_7m1

20210814, 13:50  #186 
"Rich"
Aug 2002
Benicia, California
3×11×43 Posts 
Taking 7305457_31m1

20210816, 16:39  #187 
"Rich"
Aug 2002
Benicia, California
1419_{10} Posts 
274__353_7m1 is in LA. Results Tuesday morning.

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