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Search: Posts Made By: kriesel
Forum: Data 2020-12-03, 15:39
Replies: 3,344
Views: 225,164
Posted By kriesel
One left to 100M

https://www.mersenne.org/assignments/?exp_lo=99128257&exp_hi=100000000&execm=1&exp1=1&extf=1&exdchk=1
No progress in days, 25 days to expire, then someone with a fast cpu or gpu can crush it.
Forum: GpuOwl 2020-12-03, 15:17
Replies: 68
Views: 4,088
Posted By kriesel
inexplicably long V7.2-21 iteration timings on continuation of 1257787 prp test from v7.0-40

V7.0-40 used to start the run gives ~200us/it timings.
C:\msys64\home\ken\gpuowl-compile\gpuowl-v7.0-40-gb62d4fd>gpuowl-win -prp 1257787 -iters 10000 -use NO_ASM
2020-12-03 04:36:04 gpuowl...
Forum: Lounge 2020-12-03, 12:41
Replies: 148
Views: 17,648
Posted By kriesel
These were originally done on gpuowl v7.1-1 and...

These were originally done on gpuowl v7.1-1 and v7.1-11 on a system with nonECC ram.
"Please upgrade to v7.2 which fixes a proof generation bug."...
Forum: Lounge 2020-12-03, 12:01
Replies: 8
Views: 130
Posted By kriesel
Generally, when we notice data storage medium...

Generally, when we notice data storage medium life is when it is not long enough. But it's way longer than floppies were originally designed for.
The first floppies were intended for microcode...
Forum: Lounge 2020-12-03, 11:11
Replies: 11
Views: 298
Posted By kriesel
So, a piece of 2x2 of keyboard length, with...

So, a piece of 2x2 of keyboard length, with another nailed alongside with an offset vertically to correspond to the vertical offset of black keys above white. Same chord, repeated, like the first few...
Forum: GpuOwl 2020-12-03, 10:22
Replies: 68
Views: 4,088
Posted By kriesel
P-1 on same gpu as continuing from v7.1-11 saved file with v7.2-21 gave load errors

Testing continuation of v7.1-11 written PRP file with V7.2-21 gave a burst of errors. This was on Windows 7 x64 Pro, RX480, while a V6.11-380 P-1 was running on the same...
Forum: Hardware 2020-12-02, 20:40
Replies: 148
Views: 7,392
Posted By kriesel
I did not mess with the BIOS in regard to cpu...

I did not mess with the BIOS in regard to cpu speed limits, that I recall. Windows 10 Task Manager has shown it at as I recall at least 1.42, 1.44, and 1.5Ghz; the first two under heavy prime95 load...
Forum: Hardware 2020-12-02, 20:09
Replies: 148
Views: 7,392
Posted By kriesel
I concur after a light reading of it. Somehow the...

I concur after a light reading of it. Somehow the BIOS, Windows 10 and prime95 knew what to do with the MCDRAM in the absence of any DIMMS in my system, and use it as addressable memory. Sounds like...
Forum: Lounge 2020-12-02, 19:49
Replies: 11
Views: 298
Posted By kriesel
You're going to run out of fingers, even in a...

You're going to run out of fingers, even in a duet with an identical twin with bilateral polydactyly.

Rough draft from faded memories of the basics from school days music class long ago
88 keys...
Forum: PrimeNet 2020-12-02, 15:51
Replies: 84
Views: 4,172
Posted By kriesel
I see several are a relative few of my manual...

I see several are a relative few of my manual assignments that have fallen through the cracks. I'll work on cleaning those up this week. (A radeon vii can do 30 a day, but only if they successfully...
Forum: Hardware 2020-12-02, 03:11
Replies: 148
Views: 7,392
Posted By kriesel
https://en.wikipedia.org/wiki/MCDRAM It's not...

https://en.wikipedia.org/wiki/MCDRAM It's not just on the board, it's in the same package as the processor cores. Like modern caches....
Forum: Information & Answers 2020-12-02, 02:07
Replies: 9
Views: 497
Posted By kriesel
Glossary is here ...

Glossary is here
(https://www.mersenneforum.org/showthread.php?p=533167#post533167)
There is not an equivalence for modern processors of GHzD/day rating = core count x clock frequency.
Only a...
Forum: Hardware 2020-12-01, 21:33
Replies: 148
Views: 7,392
Posted By kriesel
Have you added DDR4 DIMMs to your system? These...

Have you added DDR4 DIMMs to your system? These systems shipped from the seller with only the 16 GB MCDRAM in the processor package; 6 empty DDR4 slots. I'd expect changing Northbridge settings to...
Forum: Lounge 2020-12-01, 09:13
Replies: 956
Views: 56,838
Posted By kriesel
2047 M GpuSieveSize. In a modified mfaktc.ini,...

2047 M GpuSieveSize. In a modified mfaktc.ini, for a modified mfaktc.exe:

# GPUSieveSize defines how big of a GPU sieve we use (in M bits).
#
# Minimum: GPUSieveSize=4
# Maximum:...
Forum: Hardware 2020-11-30, 23:35
Replies: 148
Views: 7,392
Posted By kriesel
Anticipated that, take another look at post 137. ...

Anticipated that, take another look at post 137.

I note that what I see in BIOS setup screens does not always correspond with the manual.
I'd say the most key section is about setting power...
Forum: Lounge 2020-11-30, 21:54
Replies: 956
Views: 56,838
Posted By kriesel
Finally sorted out most of the last box downed by...

Finally sorted out most of the last box downed by a storm weeks ago. So 24 cores and 1 of the 2 gpus have now rejoined the fray. No idea what's wrong with the other gpu; doesn't even drive a display,...
Forum: Lounge 2020-11-30, 21:32
Replies: 5
Views: 272
Posted By kriesel
It can be a good occasion to attend some...

It can be a good occasion to attend some volunteer organization's event and donate. This year, not so much though. They tend this year to be drive-through boxed meals instead of the usual communal...
Forum: Hardware 2020-11-30, 21:28
Replies: 148
Views: 7,392
Posted By kriesel
Haven't detected that. Mine arrived without a...

Haven't detected that. Mine arrived without a power cord, so I repurposed one left over from a recycled case.
Sounds good.

7250 is nominal 1.4Ghz, turbo 1.5, and I've seen 1.42 or 1.44 indicated...
Forum: Marin's Mersenne-aries 2020-11-30, 20:13
Replies: 817
Views: 42,027
Posted By kriesel
Took both these, and both registered ok. Also ETA...

Took both these, and both registered ok. Also ETA ~5 days for each of these.
Doublecheck=54791173,74,1
Doublecheck=54884317,74,1
The first two Cat1s are taken by someone else.
Forum: Lounge 2020-11-30, 18:37
Replies: 18
Views: 445
Posted By kriesel
Both options are pretty tempting. Let me know...

Both options are pretty tempting. Let me know when the system has been developed and tested successfully on some live volunteers.
Forum: Marin's Mersenne-aries 2020-11-30, 16:46
Replies: 8
Views: 32,302
Posted By kriesel
Running Doublecheck=54720451,74,1 now, ETA 5...

Running Doublecheck=54720451,74,1 now, ETA 5 days, but it won't reserve even with the Advanced, Manual communication, send new expected completion dates to server method. Same situation with...
Forum: Hardware 2020-11-30, 04:23
Replies: 148
Views: 7,392
Posted By kriesel
My temp & turbo reports were also with the...

My temp & turbo reports were also with the motherboard-side cover off. Two fans draw air through the big radiator above them.
The lines from block on the cpu to radiator cross through the space...
Forum: Hardware 2020-11-29, 17:51
Replies: 148
Views: 7,392
Posted By kriesel
You've been wanting to upgrade your power supply...

You've been wanting to upgrade your power supply to a platinum rated with extra power to operate at top efficiency, anyway, right?
Forum: kriesel 2020-11-29, 16:24
Replies: 0
Views: 65
Posted By kriesel
Xeon Phi

Draft/placeholder, please wait.
This will be a reference thread. Don't post comments here. Post comments in a discussion thread.


Part of this was originally posted at...
Forum: Miscellaneous Math 2020-11-29, 14:54
Replies: 32
Views: 3,598
Posted By kriesel
This (non sequitur to our collective debunking of...

This (non sequitur to our collective debunking of the dubious claim that 2102589933 was prime) has been trial factored to 125 bits in Ernst's Mfactor program with no factor found. Its odds of being...
Showing results 1 to 25 of 1000

 
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