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-   -   768k Skylake Problem/Bug (https://www.mersenneforum.org/showthread.php?t=20714)

Dubslow 2015-12-04 19:40

[QUOTE=Xyzzy;418240]
(You might be able to copy over and use your existing configuration files. We think they are the same!)
[/QUOTE]

They are the same. Prime95 for GNU-Linux (otherwise known as mprime) is exactly the same software, just a less sophisticated interface. All computation code, settings code, and configuration files are exactly the same.

Aurum 2015-12-04 19:47

I don't understand how run the program with the same settings (AVX ...): [url]http://www.bilder-hochladen.net/files/big/hb0a-9s-96c3.png[/url] You have to guide me step by step.

chalsall 2015-12-04 20:04

[QUOTE=Aurum;418245]I don't understand how run the program with the same settings (AVX ...): [url]http://www.bilder-hochladen.net/files/big/hb0a-9s-96c3.png[/url] You have to guide me step by step.[/QUOTE]

Until someone speaks more authoritatively as to how to duplicate your Windows based tests, at your Linux console CD'ed into your mprime directory, type:[CODE]./mprime -t[/CODE] and hit your "Enter" key.

You should see something like:[CODE]Main thread Dec 4 16:02] Starting workers.
[Work thread Dec 4 16:02] Worker starting
[Work thread Dec 4 16:02] Setting affinity to run worker on logical CPU #2
[Work thread Dec 4 16:02] Worker starting
[Work thread Dec 4 16:02] Setting affinity to run worker on logical CPU #3
[Work thread Dec 4 16:02] Worker starting
[Work thread Dec 4 16:02] Setting affinity to run worker on logical CPU #1
[Work thread Dec 4 16:02] Beginning a continuous self-test to check your computer.
[Work thread Dec 4 16:02] Please read stress.txt. Hit ^C to end this test.
[Work thread Dec 4 16:02] Worker starting
[Work thread Dec 4 16:02] Setting affinity to run worker on logical CPU #4
[Work thread Dec 4 16:02] Beginning a continuous self-test to check your computer.
[Work thread Dec 4 16:02] Please read stress.txt. Hit ^C to end this test.
[Work thread Dec 4 16:02] Beginning a continuous self-test to check your computer.
[Work thread Dec 4 16:02] Please read stress.txt. Hit ^C to end this test.
[Work thread Dec 4 16:02] Beginning a continuous self-test to check your computer.
[Work thread Dec 4 16:02] Please read stress.txt. Hit ^C to end this test.
[Work thread Dec 4 16:02] Test 1, 36000 Lucas-Lehmer iterations of M8716289 using AVX FFT length 448K, Pass1=448, Pass2=1K.
[Work thread Dec 4 16:02] Test 1, 36000 Lucas-Lehmer iterations of M8716289 using AVX FFT length 448K, Pass1=448, Pass2=1K.
[Work thread Dec 4 16:02] Test 1, 36000 Lucas-Lehmer iterations of M8716289 using AVX FFT length 448K, Pass1=448, Pass2=1K.
[Work thread Dec 4 16:02] Test 1, 36000 Lucas-Lehmer iterations of M8716289 using AVX FFT length 448K, Pass1=448, Pass2=1K.
[/CODE]

Aurum 2015-12-04 20:15

[QUOTE]You should see something like:[/QUOTE]no. "using Pentium4 FFT length 640k"

We need 768k + 15 minutes + run fft's in place + AVX. If I run ./mprime there are 3 options (small fft, in place and blend). But I need option number 4 "custom": [URL]http://cdn.overclock.net/6/60/500x1000px-LL-605c96d0_hb0a-9q-a533.jpeg[/URL]

chalsall 2015-12-04 20:22

[QUOTE=Aurum;418251]no. "using Pentium4 FFT length 640k"

We need 768k + 15 minutes + run fft's in place + AVX. If I use ./mprime there are 3 options (small fft, in place and blend). But I need option number 4: [url]http://cdn.overclock.net/6/60/500x1000px-LL-605c96d0_hb0a-9q-a533.jpeg[/url][/QUOTE]

OK. Then replace the "./mprime -t" with "./mprime -d", and place specific instructions into worktodo.txt.

Aurum 2015-12-04 20:41

Ok. Could anyone post the needed worktodo.txt?

chalsall 2015-12-04 20:43

[QUOTE=Aurum;418255]Ok. Could anyone post the needed worktodo.txt?[/QUOTE]

George?

Dubslow 2015-12-04 20:55

Aurum, have you not run `./mprime -m`? To get AVX tests, put CpuSupportsFMA3=0 (or whatever it is) in the same configuration file as on Windows (I think local.txt). "./mprime -m" will have a bazillion options, one of which is configurable stress testing.

Edit: Nevermind, I see what you mean, you cannot specify FFT length in option 15. Hmm.

Edit edit: Type 12 instead of 2, that lets you customize it. George, that message needs some rewording, I thought 12 and 13 meant some sort of mix of options 1 and 2 or 1 and 3, not customizing 2 and 3 respectively.

[code]bill@Gravemind⌚1500 ~/mprime ∰∂ ./mprime -m
[Main thread Dec 4 15:00] Mersenne number primality test program version 28.7
[Main thread Dec 4 15:00:13] Optimizing for CPU architecture: Core i3/i5/i7, L2 cache size: 256 KB, L3 cache size: 8 MB
Main Menu

1. Test/Primenet
2. Test/Worker threads
3. Test/Status
4. Test/Continue
5. Test/Exit
6. Advanced/Test
7. Advanced/Time
8. Advanced/P-1
9. Advanced/ECM
10. Advanced/Manual Communication
11. Advanced/Unreserve Exponent
12. Advanced/Quit Gimps
13. Options/CPU
14. Options/Preferences
15. Options/Torture Test
16. Options/Benchmark
17. Help/About
18. Help/About PrimeNet Server
Your choice: 15

Number of torture test threads to run (8):
Choose a type of torture test to run.
1 = Small FFTs (maximum heat and FPU stress, data fits in L2 cache, RAM
not tested much).
2 = In-place large FFTs (maximum power consumption, some RAM tested).
3 = Blend (tests some of everything, lots of RAM tested).
11,12,13 = Allows you to fine tune the above three selections.
Blend is the default. NOTE: if you fail the blend test, but can pass the
small FFT test then your problem is likely bad memory or a bad memory
controller.
[B]Type of torture test to run (3): 12[/B]
Min FFT size (in K) (128): 768
Max FFT size (in K) (1024): 768
Memory to use (in MB, 0 = in-place FFTs) (0): 0
Time to run each FFT size (in minutes) (3): 15

Accept the answers above? (Y):
[Main thread Dec 4 15:00:51] Starting workers.
[Worker #2 Dec 4 15:00:51] Worker starting
[Worker #2 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #2
[Worker #1 Dec 4 15:00:51] Worker starting
[Worker #1 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #1
[Worker #3 Dec 4 15:00:51] Worker starting
[Worker #3 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #3
[Worker #4 Dec 4 15:00:51] Worker starting
[Worker #4 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #4
[Worker #1 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #1 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #2 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #2 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #3 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #3 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #7 Dec 4 15:00:51] Worker starting
[Worker #7 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #7
[Worker #7 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #7 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #4 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #4 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #5 Dec 4 15:00:51] Worker starting
[Worker #5 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #5
[Worker #6 Dec 4 15:00:51] Worker starting
[Worker #6 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #6
[Worker #6 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #6 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #5 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #5 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #8 Dec 4 15:00:51] Worker starting
[Worker #8 Dec 4 15:00:51] Setting affinity to run worker on logical CPU #8
[Worker #8 Dec 4 15:00:51] Beginning a continuous self-test on your computer.
[Worker #8 Dec 4 15:00:51] Please read stress.txt. Hit ^C to end this test.
[Worker #3 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #6 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #2 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #1 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #5 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #4 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #7 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.
[Worker #8 Dec 4 15:00:51] Test 1, 21000 Lucas-Lehmer iterations of M14942209 using AVX FFT length 768K, Pass1=768, Pass2=1K.[/code]

Aurum 2015-12-04 21:05

I managed to start the test a few minutes ago on my own ... thanks

chalsall 2015-12-04 21:23

[QUOTE=Aurum;418263]I managed to start the test a few minutes ago on my own ... thanks[/QUOTE]

Coolness.

Please let us know how that goes.... :smile:

Aurum 2015-12-04 22:22

Seems as if I didn't find the right settings. What I did:

[QUOTE]./mprime -d
15
12
768
768
0
15[/QUOTE]

But he only performs 6 tests till he reaches the self-test. The windows version shows 21 tests ... What is the meaning of Pass1 and Pass2?


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