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Forum: mersenne.ca 2021-04-08, 18:22
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
The ECM effort in question was missing from the...

The ECM effort in question was missing from the nightly export data. I've emailed Aaron to try and investigate how or why that may have happened. My best guess at this point is that it got lost or...
Forum: mersenne.ca 2021-04-07, 22:16
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
Data just from 2020 (I could get from other years...

Data just from 2020 (I could get from other years if that's needed):


+------------+-----------------+----------------+
| b1 | b2 | sum_num_curves |...
Forum: mersenne.ca 2021-04-07, 18:35
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
Oh wow, that's so simple. Thank you! :smile:

Oh wow, that's so simple. Thank you! :smile:
Forum: mersenne.ca 2021-04-06, 14:34
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
The concept of the binary search algorithm I...

The concept of the binary search algorithm I understand. The sticking point is getValueOfTLevel.

Supposing I have data from M2083 (https://www.mersenne.ca/exponent/2083#ecm_results) (also attached...
Forum: Software 2021-04-05, 14:32
Replies: 135
Views: 13,133
Posted By James Heinrich
Conversely on a local system it works quickly....

Conversely on a local system it works quickly. Any such changes should probably be an optional codepath for special use-cases and not affect the majority of users who don't read/write from Drive.
Forum: mersenne.ca 2021-04-03, 15:29
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
That seems obvious enough, but doesn't help me in...

That seems obvious enough, but doesn't help me in my attempt to calculate the overall value as described above. If someone who understands it can run though some example numbers to point me in the...
Forum: Lone Mersenne Hunters 2021-04-02, 23:59
Replies: 1,841
Views: 206,334
Posted By James Heinrich
Sorry, you're right. The change I was thinking of...

Sorry, you're right. The change I was thinking of relates to detecting whether the result claims to be full-range TF or not, and some related code that handles composite factors found by TF, but the...
Forum: mersenne.ca 2021-03-31, 22:46
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
I still don't understand how I get from the data...

I still don't understand how I get from the data I have (non-bold) to the summary line (bold):
Forum: mersenne.ca 2021-03-31, 15:06
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
Data should now be current.

Data should now be current.
Forum: mersenne.ca 2021-03-30, 14:26
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
No clue what you mean by that.

No clue what you mean by that.
Forum: mersenne.ca 2021-03-30, 01:38
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
There is a known issue with the nightly sync,...

There is a known issue with the nightly sync, will be processed when data is available.
Forum: mersenne.ca 2021-03-28, 22:26
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
YAFU produces some output like this during its...

YAFU produces some output like this during its ECM stage:How would one "sum" those completion numbers (which I assume to be the same meaning as what I now have) to generate an overall "t-value"?
Forum: mersenne.ca 2021-03-28, 16:36
Replies: 14
Views: 3,450
Posted By James Heinrich
Apparently I never copied the price history code...

Apparently I never copied the price history code over to the cudalucas page, but I have now:
https://www.mersenne.ca/cudalucas.php

Of course, since eBay closed down their API there is not as much...
Forum: GPU Computing 2021-03-23, 21:49
Replies: 3,492
Views: 368,845
Posted By James Heinrich
Are you using the CUDA 11.2 version posted on the...

Are you using the CUDA 11.2 version posted on the previous page of this thread (post #3481 (https://www.mersenneforum.org/showpost.php?p=573487&postcount=3481))?
Forum: Msieve 2021-03-20, 19:24
Replies: 5
Views: 327
Posted By James Heinrich
Make no such assumptions about me. I've only been...

Make no such assumptions about me. I've only been here 17 years, I don't actually know what I'm doing. :cmd:

That actually looks pretty close to what I'm looking for. Thanks Ben!
Forum: Msieve 2021-03-20, 19:11
Replies: 5
Views: 327
Posted By James Heinrich
Thanks for the suggestion. Not quite what I'm...

Thanks for the suggestion. Not quite what I'm looking for, it's roughly equivalent to what I have now with msieve -d 1 -- the time is still spent in QS even if it's obvious to the observer it'll...
Forum: Msieve 2021-03-20, 17:27
Replies: 5
Views: 327
Posted By James Heinrich
msieve for only "easy" factorization

I would like to use msieve to work through a large list of numbers (anywhere from c60 to c200 or thereabout) and pick off the "easy" factorizations (that take a couple minutes or less). Specifically...
Forum: GPU Computing 2021-03-19, 21:47
Replies: 3,492
Views: 368,845
Posted By James Heinrich
If you look at GPU-Z monitoring clockspeed and...

If you look at GPU-Z monitoring clockspeed and GPU utilization, do you notice any relevant correlation when you open/minimize Chrome?
Forum: PrimeNet 2021-03-18, 23:15
Replies: 2,127
Views: 202,540
Posted By James Heinrich
I seem to be getting a lot of "Error getting CERT...

I seem to be getting a lot of "Error getting CERT starting value" errors:[Thu Mar 18 02:58:14 2021]
Error getting CERT starting value.
Error getting CERT starting value.
[Thu Mar 18 03:37:01 2021]...
Forum: Lone Mersenne Hunters 2021-03-18, 22:44
Replies: 1,841
Views: 206,334
Posted By James Heinrich
You do (manual results form was changed several...

You do (manual results form was changed several months ago to detect and handle this).
It could in theory be derived from the result line, finding out what class the factor was found in and...
Forum: Lone Mersenne Hunters 2021-03-18, 18:11
Replies: 1,841
Views: 206,334
Posted By James Heinrich
3412 / 4620 52 / 420

3412 / 4620
52 / 420
Forum: Lone Mersenne Hunters 2021-03-18, 17:55
Replies: 1,841
Views: 206,334
Posted By James Heinrich
I believe Prime95 uses 420 classes whereas mfaktx...

I believe Prime95 uses 420 classes whereas mfaktx uses 4620 classes (except for the less-classes version/setting when it also uses 420).
Forum: Lone Mersenne Hunters 2021-03-18, 15:14
Replies: 1,841
Views: 206,334
Posted By James Heinrich
I couldn't remember (and didn't bother to look...

I couldn't remember (and didn't bother to look up) if mersenne.org gives proper class-based credit or just takes the lazy approach, apparently it's the latter. For an individual assignment it's...
Forum: Lone Mersenne Hunters 2021-03-18, 14:16
Replies: 1,841
Views: 206,334
Posted By James Heinrich
Mfaktc (and most factoring programs) don't look...

Mfaktc (and most factoring programs) don't look for factors in order of bitsize but by class spread throughout the target range. In this case the factor is found in class 3412 (of 4620) so it took...
Forum: mersenne.ca 2021-03-17, 20:55
Replies: 597
Sticky: mersenne.ca
Views: 66,337
Posted By James Heinrich
I'm sure I'm doing something wrong, but the first...

I'm sure I'm doing something wrong, but the first two versions give me an almost-but-not-quite-constant value of around 0.368 for everything.
The approximated third option seems (in my ignorant...
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