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Forum: GPU Computing 2020-04-05, 22:34
Replies: 1,603
Views: 132,152
Posted By James Heinrich
I have an RX 480, but no insight, since it works...

I have an RX 480, but no insight, since it works fine here (as it does on his 5500XT).
Forum: GPU to 72 2020-03-27, 22:06
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I haven't, but LaurV reported something similar...

I haven't, but LaurV reported something similar 10 days ago:
Forum: GPU to 72 2020-03-24, 13:52
Replies: 4,850
Views: 198,481
Posted By James Heinrich
They should just resume on your next session. Are...

They should just resume on your next session. Are they not?
Forum: GPU to 72 2020-03-23, 00:23
Replies: 4,850
Views: 198,481
Posted By James Heinrich
It would seem (to me) to be self-evident that...

It would seem (to me) to be self-evident that GPU72 would recommend that you do what GPU72 recommends you do. :smile:
Forum: GPU to 72 2020-03-22, 20:49
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Exactly. Expect to see varying exponent ranges...

Exactly. Expect to see varying exponent ranges and bit levels depending on what's most needed at that moment.

Ignore that, it's normal to see that and you don't need to save anything.
Forum: GPU to 72 2020-03-22, 15:06
Replies: 4,850
Views: 198,481
Posted By James Heinrich
It works fine here (5 mins later) in Firefox...?

It works fine here (5 mins later) in Firefox...?
Forum: GPU to 72 2020-03-15, 22:31
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I just open...

I just open https://colab.research.google.com/github/chalsall/GPU72_CoLab/blob/master/gpu72_tf.ipynb plop in my NAK and click Play, and I have no trouble getting a GPU (most of the time).
Forum: GPU to 72 2020-03-12, 22:47
Replies: 4,850
Views: 198,481
Posted By James Heinrich
You got it. :tu:

You got it. :tu:
Forum: GPU to 72 2020-03-12, 21:46
Replies: 4,850
Views: 198,481
Posted By James Heinrich
It is germane to this discussion in that it...

It is germane to this discussion in that it provides a dramatic illustration to the posed question of how the "efficiency" scales towards large exponents and small factors.

That said, while I...
Forum: GPU to 72 2020-03-12, 19:18
Replies: 4,850
Views: 198,481
Posted By James Heinrich
The most "efficient" work in terms of time saved...

The most "efficient" work in terms of time saved is always the highest exponent and lowest bit depth.

To quote an extreme example, the third-largest exponent I track is M9,999,999,929...
Forum: GPU to 72 2020-03-10, 21:36
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I set email alerts to "one week" and the form...

I set email alerts to "one week" and the form came back and said "Account settings updated" but the drop-down still shows "no notifications". I don't know if it's actually not saving the setting, or...
Forum: GPU to 72 2020-03-10, 18:34
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Everyone bases the calculation of optimal TF (and...

Everyone bases the calculation of optimal TF (and P-1) factoring on predicted time saved (by finding a factor) vs the effort spend looking for factors (instead of just running a primality test)....
Forum: GPU to 72 2020-03-09, 17:36
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Better :smile: 20200309_173329 ( 0:05):...

Better :smile:

20200309_173329 ( 0:05): GPU72 TF V0.421 Bootstrap starting (now with CPU support!)...
20200309_173329 ( 0:05): Working as "<redacted>"...

20200309_173329 ( 0:05): Installing...
Forum: GPU to 72 2020-03-09, 16:02
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I just fired up my 3 instances, and two started...

I just fired up my 3 instances, and two started working normally but the third (actually the first one I started by a couple seconds) did not start nice. Instead of doing the selftest and exiting, it...
Forum: GPU to 72 2020-03-07, 02:19
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Is this (zero exponent and stage) expected output...

Is this (zero exponent and stage) expected output at the end of stage1?
It seems to progress to stage2, I've just not paid attention before to the display at the transition.
Forum: GPU Computing 2020-03-07, 00:00
Replies: 1,603
Views: 132,152
Posted By James Heinrich
Just for reference, you can link directly to...

Just for reference, you can link directly to filtered results, for example:
https://mersenne.ca/mfaktc.php?filter=rx+(5500+xt|570)
Forum: GPU to 72 2020-03-05, 16:12
Replies: 4,850
Views: 198,481
Posted By James Heinrich
If you care it just happened again, across 3...

If you care it just happened again, across 3 instances I started at about the same time.

I waited a couple minutes and restarted each and they all worked this time, each with 2x intial P-1 lines...
Forum: GPU to 72 2020-03-04, 15:38
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I restarted both. The one seems...

I restarted both. The one seems normal:20200304_153523: Exponent TF Level % Done ETA GHzD/D Itr Time | Class #, Seq # | #FCs | SieveRate | SieveP | Uptime
20200304_153538:...
Forum: GPU to 72 2020-03-04, 14:56
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Does this make sense? :unsure: Beginning GPU...

Does this make sense? :unsure:
Beginning GPU Trial Factoring Environment Bootstrapping...
Please see https://www.gpu72.com/ for additional details.

20200304_145207: GPU72 TF V0.42 Bootstrap...
Forum: GPU to 72 2020-03-02, 11:53
Replies: 4,850
Views: 198,481
Posted By James Heinrich
For those of us who were caught with this...

For those of us who were caught with this problem, there seem to be P-1 assignments languishing, if you have checkpoints available for them please make sure they get processed, or if (as I presume...
Forum: GPU to 72 2020-03-02, 11:53
Replies: 4,850
Views: 198,481
Posted By James Heinrich
I don't know how you're supposed to do it, but...

I don't know how you're supposed to do it, but from the ⋮ menu hovering in the upper right, choose Form->Show Code and then you get a sliver of code box on the left in which to find (~line 20) and...
Forum: GPU to 72 2020-02-26, 12:59
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Thanks for catching that, the 1650 was 10% too...

Thanks for catching that, the 1650 was 10% too high and the 1650 Super was 30% too low. As always, please call out any errors you may spot in my data.
Forum: GPU to 72 2020-02-26, 03:50
Replies: 4,850
Views: 198,481
Posted By James Heinrich
https://www.mersenne.ca/mfaktc.php?filter=1650|166...

https://www.mersenne.ca/mfaktc.php?filter=1650|1660
The performance difference is clear, but it comes down to what price you can get each for as to what makes value sense.
Forum: GPU Computing 2020-02-20, 18:17
Replies: 1,603
Views: 132,152
Posted By James Heinrich
Sorry about the blacklist error message, it got...

Sorry about the blacklist error message, it got triggered when it should not have been.

Also, benchmarks should be submitted for no-factor-found tests that ran the entire bitlevel, please.
Forum: GPU to 72 2020-02-19, 19:58
Replies: 4,850
Views: 198,481
Posted By James Heinrich
Thanks for doing this, I was hoping you would....

Thanks for doing this, I was hoping you would. :tu:
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