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Search: Posts Made By: Xyzzy
Forum: Msieve 2021-09-18, 13:47
Replies: 117
Views: 19,748
Posted By Xyzzy
Here are simpler instructions. sudo...

Here are simpler instructions.

sudo subscription-manager repos --enable=rhel-8-for-x86_64-appstream-rpms
sudo subscription-manager repos --enable=rhel-8-for-x86_64-baseos-rpms
sudo...
Forum: Msieve 2021-09-17, 18:56
Replies: 117
Views: 19,748
Posted By Xyzzy
What is the difference in relations needed...

What is the difference in relations needed between TD=120 and TD=100? (Do we have this data?)

We think a GPU could do a TD=100 job faster than a CPU could do a TD=120 job.

Personally, we don't...
Forum: Msieve 2021-09-17, 11:41
Replies: 117
Views: 19,748
Posted By Xyzzy
Since GPU LA is so fast, should we rethink how...

Since GPU LA is so fast, should we rethink how many relations are generated by the sieving process?

:mike:
Forum: Msieve 2021-09-17, 11:38
Replies: 117
Views: 19,748
Posted By Xyzzy
Our system has a single GPU. When we are doing...

Our system has a single GPU. When we are doing compute work on the GPU the display lags. We can think of two ways to fix this.

Some sort of niceness assignment to the compute process.
Limiting...
Forum: Msieve 2021-09-09, 20:28
Replies: 117
Views: 19,748
Posted By Xyzzy
We are not sure if this is interesting or not. ...

We are not sure if this is interesting or not.

13_2_909m1 - Near-Cunningham - SNFS(274)

This is a big (33 bit?) job. The msieve.dat file, uncompressed and with duplicates and bad relations...
Forum: Msieve 2021-08-04, 19:32
Replies: 117
Views: 19,748
Posted By Xyzzy
Here are more benchmarks on the same data:VBITS =...

Here are more benchmarks on the same data:VBITS = 64; BLOCKS = 25M; MEM = 37.7GB; TIME = 58.8HR
VBITS = 64; BLOCKS = 100M; MEM = 23.8GB; TIME = 66.5HR
VBITS = 64; BLOCKS = 500M; MEM =...
Forum: Msieve 2021-08-04, 12:29
Replies: 117
Views: 19,748
Posted By Xyzzy
If you are using RHEL 8 (8.4) you can install the...

If you are using RHEL 8 (8.4) you can install the proprietary Nvidia driver easily via these directions:
...
Forum: Msieve 2021-08-04, 12:22
Replies: 117
Views: 19,748
Posted By Xyzzy
We played around with 10867_67m1 which is...

We played around with 10867_67m1 which is SNFS(270.42) and has a 27M matrix.

025M | 38GB | 50H
100M | 25GB | 51H
500M | 21GB | 59H

The first column is the block size (?) used on the GPU....
Forum: Msieve 2021-08-03, 14:45
Replies: 117
Views: 19,748
Posted By Xyzzy
How important is ECC on a video card? (Most...

How important is ECC on a video card? (Most consumer cards don't have that, right?)

Our card has it, and we have it enabled, but it runs faster without.

We haven't logged an ECC error yet. Note...
Forum: Msieve 2021-08-02, 19:28
Replies: 117
Views: 19,748
Posted By Xyzzy
We were told:

We were told:
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