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Forum: GPU Computing 2021-09-20, 00:41
Replies: 3
Views: 151
Posted By kriesel
But a step down from 4kbit wide HBM2 1TB/sec on...

But a step down from 4kbit wide HBM2 1TB/sec on Radeon VII (https://www.techpowerup.com/gpu-specs/radeon-vii.c3358)
Forum: GPU Computing 2021-09-19, 18:19
Replies: 3
Views: 151
Posted By kriesel
And...

And https://www.tomshardware.com/news/intel-arctic-sound-xe-hp-pictured and not a word of DP performance on either article.
Forum: Mlucas 2021-09-19, 17:39
Replies: 7
Views: 516
Posted By kriesel
Understood. If it's smallest and largest paired...

Understood. If it's smallest and largest paired and processed first, a modest B2 claim may be valid. Up to the "largest smallest" of the pairs that none got skipped. It's not simple, but I believe...
Forum: Marin's Mersenne-aries 2021-09-19, 14:15
Replies: 43
Views: 3,962
Posted By kriesel
In tracking the 56M verification milestone, it...

In tracking the 56M verification milestone, it went from 21 remaining, to 0, in ~12.3 days.
(At 2021-06-15 14:00:07 21 left; 2021-06-27 21:30:09 0 left; UTC I believe, not that it matters in...
Forum: Mlucas 2021-09-19, 13:52
Replies: 7
Views: 516
Posted By kriesel
I've updated the Mlucas reference thread...

I've updated the Mlucas reference thread (https://www.mersenneforum.org/showthread.php?t=23427) somewhat, and added a list of the last several versions...
Forum: Marin's Mersenne-aries 2021-09-19, 01:14
Replies: 43
Views: 3,962
Posted By kriesel
From...

From https://www.mersenne.org/assignments/?exp_lo=57000000&exp_hi=57885161&execm=1&exfirst=1&exp1=1&extf=1 near time of posting, 20 remain. Some recent completions, and the lowest 5 remaining:
...
Forum: Mlucas 2021-09-17, 23:34
Replies: 7
Views: 516
Posted By kriesel
FYI I have V20.0 examples of that for both stage...

FYI I have V20.0 examples of that for both stage 1 and 2.
Forum: kriesel 2021-09-17, 23:18
Replies: 15
Views: 4,929
Posted By kriesel
Bug list

This is a partial list, mostly by version in which they were first seen.

V17.0
gave msec/iter times, but labeled sec/iter. Resolved in later version

V18.0
?

V19.0
?
Forum: kriesel 2021-09-17, 23:14
Replies: 15
Views: 4,929
Posted By kriesel
Wish list

Features I'd like to see added. As always, it's the developer's call what actually happens; his time, his talent, his program.


PRP proof file generation by VDF. Preferably V2 format, such as...
Forum: Lounge 2021-09-17, 22:18
Replies: 1,465
Views: 148,742
Posted By kriesel
That requires good data, and math. Journalists...

That requires good data, and math. Journalists are not known for good math skills. Or, too often, even the ability to recognize or communicate data accurately....
Forum: PrimeNet 2021-09-17, 22:04
Replies: 2,332
Views: 246,016
Posted By kriesel
The common ground is processing a P-1 no-factor...

The common ground is processing a P-1 no-factor result, causes a valid assignment held by the submitter to get marked expired when it should not. In the one subcase the P-1 assignment should be...
Forum: kriesel 2021-09-17, 20:08
Replies: 6
Views: 1,180
Posted By kriesel
Bug list

(draft)


V19 compiled under msys2 for Windows nevertheless thinks there will be a Linux shell capable of accepting certain commands. This results in each run producing the following error:...
Forum: kriesel 2021-09-17, 18:53
Replies: 15
Views: 4,929
Posted By kriesel
Mlucas releases

This is an incomplete draft list.

2017-06-15 V17.0 https://mersenneforum.org/showthread.php?t=22391

2017-07-02? V17.1 https://mersenneforum.org/showthread.php?t=2977

2019-02-20 V18...
Forum: Lounge 2021-09-17, 17:04
Replies: 1,465
Views: 148,742
Posted By kriesel
Good discussion. Given x available doses...

Good discussion.
Given x available doses (https://www.bloomberg.com/graphics/covid-vaccine-tracker-global-distribution/) annually, and for most vaccines 2 (or 3 with booster included) needed per...
Forum: Lounge 2021-09-17, 16:31
Replies: 1,465
Views: 148,742
Posted By kriesel
At what cost to someone else? That consideration...

At what cost to someone else? That consideration appears on both sides of the ledger, covid-wise.
There's a Darwinian gain sometimes to risking harm to self for a sufficiently worthwhile chance to...
Forum: PrimeNet 2021-09-17, 15:35
Replies: 2,332
Views: 246,016
Posted By kriesel
I've seen it where holding a P-1 assignment for...

I've seen it where holding a P-1 assignment for an exponent, and turning in a P-1 result on it, results in the P-1 assignment getting marked expired, even though it accepts the result also. (An issue...
Forum: Lounge 2021-09-17, 15:17
Replies: 1,465
Views: 148,742
Posted By kriesel
None of the following should be mistaken as an...

None of the following should be mistaken as an antivax position. It is a position in favor of rational independent decision making.

There seems to be an implicit assumption in your post that...
Forum: Marin's Mersenne-aries 2021-09-17, 14:04
Replies: 43
Views: 3,962
Posted By kriesel
From...

From https://www.mersenne.org/assignments/?exp_lo=57256631&exp_hi=57885161&execm=1&exp1=1&extf=1&exfirst=1 near time of posting:
exponent stage exp ETA last update Probable course
(57223591...
Forum: Marin's Mersenne-aries 2021-09-16, 17:38
Replies: 43
Views: 3,962
Posted By kriesel
And both exponents identified as limiting in that...

And both exponents identified as limiting in that post have been verified.

Looking at it again today, at 25 remaining, as 3 groups, sorted by estimated completion:

14 are not updating for over...
Forum: Lounge 2021-09-16, 16:47
Replies: 1,697
Views: 134,385
Posted By kriesel
Had to down some productive GIMPS systems for...

Had to down some productive GIMPS systems for what's likely to be several days or more, due to the furnace blower, that is a critical part of a central air conditioning system, no longer fulfilling...
Forum: Operation Billion Digits 2021-09-15, 15:49
Replies: 1,174
Views: 130,170
Posted By kriesel
OBD progress level on https://www.mersenne.ca/obd...

OBD progress level on https://www.mersenne.ca/obd seems to me off by .01. It currently indicates 21.09, while there are 8, not 9, completed to 88 bits or more.
Forum: Software 2021-09-15, 14:50
Replies: 3
Views: 319
Posted By kriesel
IIRC, GMP and its fork MPIR are entirely integer...

IIRC, GMP and its fork MPIR are entirely integer instruction based code for the multiword operations. From a philosophical stance that no imprecision was to be allowed in.

Gwnum, prime95, etc is...
Forum: kriesel 2021-09-15, 01:40
Replies: 6
Views: 1,180
Posted By kriesel
Wish list

Some things I'd like to see incorporated:

Reworking the save files for parallel thread run resume compatibility. See https://mersenneforum.org/showpost.php?p=539187&postcount=27

Build recipe...
Forum: Software 2021-09-14, 23:09
Replies: 30
Views: 10,397
Posted By kriesel
Threads relating to Mfactor's history & development

Yes. The thread (https://www.mersenneforum.org/showthread.php?p=442884#post442884) about the shared KNL machine GIMPS bought contains a fair amount relating to TF, in 2016, including comparisons...
Forum: Number Theory Discussion Group 2021-09-14, 22:56
Replies: 21
Views: 1,078
Posted By kriesel
A little additional reading is available in the...

A little additional reading is available in the KNL thread (https://www.mersenneforum.org/showthread.php?p=442884#post442884) showing the techniques and process by which TF code was being developed...
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