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Search: Posts Made By: kriesel
Forum: Marin's Mersenne-aries 2022-05-20, 19:41
Replies: 9
Views: 1,677
Posted By kriesel
Sort of. But it's on a name brand good quality...

Sort of. But it's on a name brand good quality though old dual Xeon workstation with ECC system ram. In ~4 years of keeping a log of bad residues, for pattern detection, the only suspect one I had...
Forum: Marin's Mersenne-aries 2022-05-20, 19:25
Replies: 9
Views: 1,677
Posted By kriesel
DoubleCheck=332196607...

DoubleCheck=332196607 (https://www.mersenne.org/report_exponent/?exp_lo=332196607&full=1),81,1 assigned ll 2021-02-13, last update 2021-02-13, zero progress
DoubleCheck=332209313...
Forum: PrimeNet 2022-05-20, 12:08
Replies: 18
Views: 1,005
Posted By kriesel
Probably, but not necessarily.

Probably, but not necessarily.
Forum: PrimeNet 2022-05-19, 22:52
Replies: 18
Views: 1,005
Posted By kriesel
If you are also running PRP type 1 seed 3, yes,...

If you are also running PRP type 1 seed 3, yes, yours is a verification run aka PRP DC. Odds of residues matching are good because of GEC. (Some versions of gpuowl did PRP type 4 or 0 only. Type 1...
Forum: Software 2022-05-19, 22:42
Replies: 571
Views: 41,934
Posted By kriesel
Dropbox Basic, 2GB cap won't do. Google Drive...

Dropbox Basic, 2GB cap won't do. Google Drive free, 15GB is big enough. I'm rerunning it the 3 days after a local save to see if the MD5 error reoccurs or proof gen completes, and plan catching a...
Forum: Software 2022-05-19, 17:34
Replies: 571
Views: 41,934
Posted By kriesel
Ok, backup/restore to the rescue perhaps: ...

Ok, backup/restore to the rescue perhaps:
Directory of C:\Users\User\Documents\prime95

05/15/2022 06:46 PM 41,025,888 p109400569
05/15/2022 06:16 PM 41,025,888 p109400569.bu...
Forum: Software 2022-05-19, 16:49
Replies: 227
Sticky: Prime95 30.7
Views: 29,957
Posted By kriesel
Thanks for the tip. That was not clear from the...

Thanks for the tip. That was not clear from the docs. Putting bothProofPower=12
ProofPowerAdjust=3in the [PrimeNet] section of prime.txt & stop, exit & restart the app seems to be working; worker...
Forum: Software 2022-05-19, 16:09
Replies: 571
Views: 41,934
Posted By kriesel
50% chance of power-1 success, so maybe 75% of...

50% chance of power-1 success, so maybe 75% of power-2?
Unfortunately, the software (or user, but I don't recall doing that) appears to have already cleaned off everything but the residues file,...
Forum: Software 2022-05-19, 14:28
Replies: 571
Views: 41,934
Posted By kriesel
md5 error, no proof gen; help?

On prime95 v30.8b14, I recently had a proof file generation failure related to a repeating md5 error.
Is there a way to recover from this md5 error, & perhaps generate a lower power proof instead of...
Forum: Soap Box 2022-05-19, 02:34
Replies: 107
Views: 12,583
Posted By kriesel
Sheep are ruminant ungulates, so emit methane,...

Sheep are ruminant ungulates, so emit methane, ~23g/day/head. That's a much more effective greenhouse gas per mole than CO2. Selective breeders are working on reducing that unwanted output....
Forum: kriesel 2022-05-15, 13:21
Replies: 9
Views: 8,980
Posted By kriesel
Mfaktc tuning for best compute efficiency

"Best" here is assumed to be the maximum GHD/day per watt of GPU input power.
This fits my use case reasonably well since almost all systems are also running prime95.

If the system is only...
Forum: GpuOwl 2022-05-15, 00:00
Replies: 2,760
Views: 366,355
Posted By kriesel
Yes. I think at least two cases feasible, out of...

Yes. I think at least two cases feasible, out of five I've identified, to save a little time. Savings would be most significant when running a single gpuowl instance per GPU. Running a single...
Forum: Miscellaneous Math 2022-05-14, 17:42
Replies: 557
Views: 64,544
Posted By kriesel
... nearly, unless a specific exponent appears in...

... nearly, unless a specific exponent appears in the Predict M52 thread, or elsewhere as some dubious claim of a prime. I routinely refute those with PRP/GEC/proof/cert. I'm currently working...
Forum: Marin's Mersenne-aries 2022-05-14, 17:35
Replies: 39
Views: 3,211
Posted By kriesel
Here's a quick update edited into the quoted...

Here's a quick update edited into the quoted block (with both deletions and additions):
Forum: Software 2022-05-13, 23:26
Replies: 227
Sticky: Prime95 30.7
Views: 29,957
Posted By kriesel
Prime95 v30.7b9 undoc.txt says: In prime.txt, ...

Prime95 v30.7b9 undoc.txt says:
In prime.txt,
ProofPower=x (x can be from 5 to 12)
ProofPowerAdjust=y (y can be from -2 to +3)
these override the selection of proof...
Forum: Marin's Mersenne-aries 2022-05-13, 22:05
Replies: 804
Views: 133,163
Posted By kriesel
(Team Inspector finished 332239877 2022-05-10)

(Team Inspector finished 332239877 2022-05-10)
Forum: Marin's Mersenne-aries 2022-05-13, 15:17
Replies: 804
Views: 133,163
Posted By kriesel
Certs taken, ETA 2 days ...

Certs taken, ETA 2 days
CERT=00000000000000000000000013CD9405,1,2,332239877,-1,1297813
CERT=00000000000000000000000013CDB183,1,2,332247427,-1,1297842...
Forum: GPU Computing 2022-05-12, 14:55
Replies: 6
Views: 385
Posted By kriesel
Something else to consider is server type GPUs...

Something else to consider is server type GPUs such as Tesla K80 usually have no fans of their own, expecting high pressure blowers in rack mount server cases to push air through them lengthwise....
Forum: Operation Billion Digits 2022-05-12, 08:06
Replies: 15
Views: 3,484
Posted By kriesel
OBD TF level 23 1/2 passed

As of today, level 23 1/2 passed
Forum: Operation Billion Digits 2022-05-12, 07:58
Replies: 30
Views: 15,214
Posted By kriesel
Current TF & P-1 status is shown at...

Current TF & P-1 status is shown at https://www.mersenne.ca/obd. Current indicated Level is 23.12.
3321928171 TF completed to the full 92 bits, 2022-02-05 by mersenne.ca user johnny_jack, now...
Forum: Information & Answers 2022-05-11, 22:33
Replies: 8
Views: 627
Posted By kriesel
Even simpler, rename it in an obvious and useful...

Even simpler, rename it in an obvious and useful way.
A possibly problematic p109351679 can become was-p10935167
Proof files in the prime95 directory though can require more care, because it will...
Forum: Information & Answers 2022-05-11, 13:55
Replies: 8
Views: 627
Posted By kriesel
PRP proof capability was introduced at V30 in...

PRP proof capability was introduced at V30 in mprime.
https://mersenneforum.org/showthread.php?t=25823
See also the whatsnew.txt for mprime.
Forum: Information & Answers 2022-05-08, 18:17
Replies: 17
Views: 1,381
Posted By kriesel
And may do better yet using less-classes or an...

And may do better yet using less-classes or an SSD or ramdisk. Every time there's a class completed there's a checkpoint save and console I/O. In the preceding post, ~60/second. And maybe also some...
Forum: GPU Computing 2022-05-07, 21:51
Replies: 374
Views: 95,234
Posted By kriesel
"Lights & fans on but nobody home" Radeon VII...

"Lights & fans on but nobody home" Radeon VII corpses sell "for parts or repair" on eBay for ~$400 each.
(Not detected by OSes, or detected but error message & no display or OpenCL computation)

...
Forum: GpuOwl 2022-05-07, 21:20
Replies: 13
Views: 830
Posted By kriesel
So, apparently, clinfo says: Intel CPU yes, ...

So, apparently, clinfo says:
Intel CPU yes,
NVIDIA GPU yes,
IGP no.
It seems reasonable to expect gpuowl and mfakto to fail on the IGP in that case.
If there were an OpenCL driver loaded for...
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