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Forum: Msieve 2021-10-26, 09:35
Replies: 117
Views: 19,607
Posted By charybdis
What was your general impression of 34-bit vs...

What was your general impression of 34-bit vs 33-bit? Will the extra bit allow slightly larger jobs to be run as I'd hoped?
Forum: Msieve 2021-09-24, 15:50
Replies: 117
Views: 19,607
Posted By charybdis
If lims have to stay at 250M, it would probably...

If lims have to stay at 250M, it would probably be possible to stretch the upper limit of doable jobs a bit by using 3LP on both sides to catch some of the relations that are lost due to the low...
Forum: Msieve 2021-09-24, 12:36
Replies: 117
Views: 19,607
Posted By charybdis
Also 250M is very low for alim/rlim at this size;...

Also 250M is very low for alim/rlim at this size; some quick testing suggests the optimum is likely between 500M and 1000M. Is this done to keep memory use low? How many 16f contributors don't have...
Forum: Msieve 2021-09-23, 12:46
Replies: 117
Views: 19,607
Posted By charybdis
@frmky, for future reference, when I tested this...

@frmky, for future reference, when I tested this I found that rational side sieving with *algebraic* 3LP was fastest. This shouldn't be too much of a surprise: the rational norms are larger, but not...
Forum: Msieve 2021-09-19, 00:30
Replies: 117
Views: 19,607
Posted By charybdis
I tested the binary from here...

I tested the binary from here (https://www.mersenneforum.org/showpost.php?p=470249&postcount=10) on 2,2174L with 34-bit large primes and it seemed to work fine. Yield was more than double that at...
Forum: Msieve 2021-09-18, 14:37
Replies: 117
Views: 19,607
Posted By charybdis
Or is this just the limit for 16e with 33-bit...

Or is this just the limit for 16e with 33-bit large primes? I know you've avoided going higher because of the difficulty of the LA and the msieve filtering bug, but now that the bug is fixed and GPUs...
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