mfaktc.exe --perftest for RTX3080/90 cards
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Message 6893 - Posted: 31 Oct 2020, 18:38:16 UTC

If you are an owner of a RTX3080/90 card and can run mfaktc pls post the results running in standalone:

run mfaktc.exe --perftest

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Message 6917 - Posted: 7 Nov 2020, 8:17:01 UTC

At the moment the current mfaktc version is not running on RTX3080/90, trying to get a cuda11 version for testing.

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Message 6930 - Posted: 12 Nov 2020, 7:10:18 UTC

A linux version is ready for testing in standalone, the cuda11 lib is also in the zip file.

Pls try to run it on RTX3080/90 and older cards with

./mfaktc.exe --perftest

http://srbase.my-firewall.org/sr5/download/mfaktc-linux64-cuda11.zip

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Message 6931 - Posted: 12 Nov 2020, 7:19:13 UTC

~/mfakt/compile/mfaktc-master> ./mfaktc.exe --perftest
mfaktc v0.21 (64bit built)

Compiletime options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32kiB
SIEVE_SIZE 193154bits
SIEVE_SPLIT 250
MORE_CLASSES enabled

Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU Sieving enabled
GPUSievePrimes 82486
GPUSieveSize 64Mi bits
GPUSieveProcessSize 16Ki bits
Checkpoints enabled
CheckpointDelay 30s
WorkFileAddDelay 600s
Stages enabled
StopAfterFactor bitlevel
PrintMode full
V5UserID (none)
ComputerID (none)
AllowSleep no
TimeStampInResults no

CUDA version info
binary compiled for CUDA 11.10
CUDA runtime version 11.10
CUDA driver version 11.10

CUDA device info
name GeForce RTX 3080
compute capability 8.6
max threads per block 1024
max shared memory per MP 102400 byte
number of multiprocessors 68
clock rate (CUDA cores) 1815MHz
memory clock rate: 9501MHz
memory bus width: 320 bit

Automatic parameters
threads per grid 557056
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144

running a simple selftest...
Selftest statistics
number of tests 107
successfull tests 107

selftest PASSED!

ERROR: get_next_assignment(): no valid assignment found in "worktodo.txt"

which value shall worktodo.txt have?

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Message 6932 - Posted: 12 Nov 2020, 7:21:21 UTC - in response to Message 6931.



which value shall worktodo.txt have?


like this

Factor=F6BFE22870DA6C12B533D0AA79950000,219111587,70,71

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Message 6933 - Posted: 12 Nov 2020, 7:30:18 UTC - in response to Message 6932.

o.k., thanks. With this number the result is:
no factor for M219111587 from 2^70 to 2^71 [mfaktc 0.21 barrett76_mul32_gs]
tf(): total time spent: 19.759s

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Message 6944 - Posted: 15 Nov 2020, 7:29:48 UTC

Will there be a windows (test) version soon?

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Message 6945 - Posted: 15 Nov 2020, 8:31:12 UTC - in response to Message 6944.

Will there be a windows (test) version soon?


yes

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Message 6948 - Posted: 15 Nov 2020, 21:10:05 UTC

http://srbase.my-firewall.org/sr5/download/mfaktc-linux64-cuda11.zip -->Linux cuda11.0

http://srbase.my-firewall.org/sr5/download/mfaktc_3xxx_11.1.zip -->Linux cuda11.1

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Message 7028 - Posted: 27 Nov 2020, 12:41:15 UTC - in response to Message 6945.

Will there be a windows (test) version soon?


yes


Any estimate?

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Message 7030 - Posted: 27 Nov 2020, 14:06:57 UTC - in response to Message 7028.

Will there be a windows (test) version soon?


yes


Any estimate?


not yet, the windows version failed to run, still looking for a workaround

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Message 7393 - Posted: 10 Mar 2021, 20:18:05 UTC

There is a new win version to test, give it a try.

http://srbase.my-firewall.org/sr5/download/mfaktc-0.2.1.win.cuda11.2.zip

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Message 7394 - Posted: 11 Mar 2021, 11:32:42 UTC - in response to Message 7393.

mfaktc-win-64.exe -h:

The code execution cannot proceed because cudart64_110.dll was not found.
____________

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Message 7395 - Posted: 11 Mar 2021, 13:20:15 UTC - in response to Message 7394.
Last modified: 11 Mar 2021, 13:22:52 UTC

mfaktc-win-64.exe -h:

The code execution cannot proceed because cudart64_110.dll was not found.


After installing Visual Studio (as requested by cuda_11.2.2_461.33_win10) and installing cuda_11.2.2_461.33_win10, it works!!

Also copied the example form the README.txt into the worktodo.txt:

Factor=bla,66362159,64,68
Factor=bla,3321932839,50,71

This is processed on the RTX 3090 FE:

found 2 factors for M3321932839 from 2^50 to 2^71 [mfaktc 0.21 75bit_mul32_gs]
tf(): total time spent: 5.128s


The next test:
Factor=F6BFE22870DA6C12B533D0AA79950000,219111587,70,71


no factor for M219111587 from 2^70 to 2^71 [mfaktc 0.21 barrett76_mul32_gs]
tf(): total time spent: 20.004s

Ready to go?

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Message 7396 - Posted: 11 Mar 2021, 16:42:47 UTC - in response to Message 7394.
Last modified: 11 Mar 2021, 16:53:33 UTC

mfaktc-win-64.exe -h:

The code execution cannot proceed because cudart64_110.dll was not found.


Is the file included in the driver installation or toolkit?

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Message 7397 - Posted: 11 Mar 2021, 17:41:47 UTC - in response to Message 7396.

mfaktc-win-64.exe -h:

The code execution cannot proceed because cudart64_110.dll was not found.


Is the file included in the driver installation or toolkit?


The file is in cuda_11.2.2_461.33_win10, but Visual studio was needed for it's installation (according a warning)

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Message 7398 - Posted: 11 Mar 2021, 17:43:37 UTC - in response to Message 7397.
Last modified: 11 Mar 2021, 17:50:00 UTC

mfaktc-win-64.exe -h:

The code execution cannot proceed because cudart64_110.dll was not found.


Is the file included in the driver installation or toolkit?


The file is in cuda_11.2.2_461.33_win10, but Visual studio was needed for it's installation (according a warning)


You mean the visual c++ runtime? From the forum it was compiled on VS2012 maybe the files are needed to run.

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Message 7399 - Posted: 11 Mar 2021, 17:57:40 UTC
Last modified: 11 Mar 2021, 21:50:58 UTC

Windows Version + plan_class are done. Lets see how its working with wrapper from mfakto

Update:

The first wrapper doesnt match with the one in download folder, gave some download errors, fixed in v16

Update2:
Doesnt work, same error, need more testing with wrapper.

Update3:
The v12 cuda app is using an older wrapper, will setup this with v15

Update4:
added min_nvidia_compcap to plan_class_spec because of older cards with latest drivers and toolkit (doesnt work with cuda11.2 app)

Special Thx to lolapus who has compiled the app!

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Message 7401 - Posted: 12 Mar 2021, 8:28:57 UTC - in response to Message 7399.
Last modified: 12 Mar 2021, 8:33:25 UTC

All tasks error out within 3 seconds on my RTX 3090 (TF v0.15 (cuda112)):

<core_client_version>7.16.11</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code 195 (0xc3)</message>
<stderr_txt>
09:25:56 (12840): wrapper (7.5.26012): starting
09:25:56 (12840): wrapper: running mfaktc-win-64.exe ()
09:25:58 (12840): mfaktc-win-64.exe exited; CPU time 0.015625
09:25:58 (12840): app exit status: 0xc0000135
09:25:58 (12840): called boinc_finish(195)

</stderr_txt>
]]>

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Message 7402 - Posted: 12 Mar 2021, 8:53:37 UTC - in response to Message 7401.

All tasks error out within 3 seconds on my RTX 3090 (TF v0.15 (cuda112)):

7.16.11

(unknown error) - exit code 195 (0xc3)


09:25:56 (12840): wrapper (7.5.26012): starting
09:25:56 (12840): wrapper: running mfaktc-win-64.exe ()
09:25:58 (12840): mfaktc-win-64.exe exited; CPU time 0.015625
09:25:58 (12840): app exit status: 0xc0000135
09:25:58 (12840): called boinc_finish(195)


]]>


Can you pls test it in standalone:

http://srbase.my-firewall.org/sr5/download/mfaktctest.zip

extract to a folder, run only one of the wrapper files

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