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Old 2020-09-15, 17:27   #2443
storm5510
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Quote:
Originally Posted by kracker View Post
...99% sure I don't have any issues there.

Are you, by any chance, trying to run with an overclocked GPU? In my experience, there is little gain, and risk of damage. I don't do it.
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Old 2020-09-16, 01:08   #2444
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Quote:
Originally Posted by storm5510 View Post
Are you, by any chance, trying to run with an overclocked GPU? In my experience, there is little gain, and risk of damage. I don't do it.
No. I never run computing programs on anything overclocked.
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Old 2020-09-16, 01:39   #2445
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Default Can someone please point me to the post that describes config.txt

Thanks
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Old 2020-09-16, 02:23   #2446
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https://www.mersenneforum.org/showthread.php?t=23391
Quote:
Originally Posted by petrw1 View Post
Thanks
Also the help file in the zip file of almost any posted Windows build; rerun gpuowl-win -h on your own hardware to get the correct device number to gpu model output for your hardware.
Attached Files
File Type: txt help.txt (6.5 KB, 5 views)

Last fiddled with by kriesel on 2020-09-16 at 02:33
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Old 2020-09-16, 02:41   #2447
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Default Error Message

Code:
2020-09-16 02:40:26 gpuowl v6.11-180-g6e722e2-dirty
2020-09-16 02:40:26 config: -user petrw1 -cpu colab -device 1 -maxAlloc 7500
2020-09-16 02:40:26 device 1, unique id ''
2020-09-16 02:40:26 colab 24000577 FFT 1280K: Width 8x8, Height 256x4, Middle 10; 18.31 bits/word
2020-09-16 02:40:26 colab Exception gpu_error:  clGetPlatformIDs(16, platforms, (unsigned *) &nPlatforms) at clwrap.cpp:71 getDeviceIDs
2020-09-16 02:40:26 colab Bye
Disregard for now...I forgot to tell the Runtime to use GPU

Last fiddled with by petrw1 on 2020-09-16 at 02:59
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Old 2020-09-16, 04:41   #2448
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Default For real error message this time.

Code:
2020-09-16 04:35:17 gpuowl v6.11-180-g6e722e2-dirty
2020-09-16 04:35:17 config: -user petrw1 -cpu colab -device 0 -maxAlloc 7500
2020-09-16 04:35:17 device 0, unique id ''
2020-09-16 04:35:17 colab 24000577 FFT 1280K: Width 8x8, Height 256x4, Middle 10; 18.31 bits/word
2020-09-16 04:35:18 colab OpenCL args "-DEXP=24000577u -DWIDTH=64u -DSMALL_HEIGHT=1024u -DMIDDLE=10u -DWEIGHT_STEP=0x1.9cb7d592d4171p+0 -DIWEIGHT_STEP=0x1.3d951748cc15ep-1 -DWEIGHT_BIGSTEP=0x1.d5818dcfba487p+0 -DIWEIGHT_BIGSTEP=0x1.172b83c7d517bp-1 -DPM1=1  -cl-fast-relaxed-math -cl-std=CL2.0"
2020-09-16 04:35:18 colab OpenCL compilation error -11 (args -DEXP=24000577u -DWIDTH=64u -DSMALL_HEIGHT=1024u -DMIDDLE=10u -DWEIGHT_STEP=0x1.9cb7d592d4171p+0 -DIWEIGHT_STEP=0x1.3d951748cc15ep-1 -DWEIGHT_BIGSTEP=0x1.d5818dcfba487p+0 -DIWEIGHT_BIGSTEP=0x1.172b83c7d517bp-1 -DPM1=1  -cl-fast-relaxed-math -cl-std=CL2.0 -DNO_ASM=1)
2020-09-16 04:35:18 colab <kernel>:382:16: error: use of undeclared identifier 'a'
   return 2 * (a + b);
               ^
<kernel>:382:20: error: use of undeclared identifier 'b'
   return 2 * (a + b);
                   ^

2020-09-16 04:35:18 colab Exception gpu_error: BUILD_PROGRAM_FAILURE clBuildProgram at clwrap.cpp:247 build
2020-09-16 04:35:18 colab Bye
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Old 2020-09-16, 05:42   #2449
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Quote:
Originally Posted by petrw1 View Post
[CODE]2020-09-16 04:35:17 gpuowl v6.11-180-g6e722e2-dirty
try to build new with this phyton notebook from ATH https://mersenneforum.org/showpost.p...7&postcount=33

or alternatively use the binary gpuowlv6.11-380-g79ea0cc for ubuntu/colab compiled by me https://mersenneforum.org/showpost.p...1&postcount=40

Last fiddled with by moebius on 2020-09-16 at 05:43
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Old 2020-09-17, 04:24   #2450
petrw1
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Quote:
Originally Posted by moebius View Post
or alternatively use the binary gpuowlv6.11-380-g79ea0cc for ubuntu/colab compiled by me https://mersenneforum.org/showpost.p...1&postcount=40
./gpuowl.exe: /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by ./gpuowl.exe)
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Old 2020-09-17, 04:43   #2451
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Quote:
Originally Posted by petrw1 View Post
./gpuowl.exe: /usr/lib/x86_64-linux-gnu/libstdc++.so.6: version `GLIBCXX_3.4.26' not found (required by ./gpuowl.exe)
What does g++ --version say?

You might have to hardwire your compiler name and version in gpuOwl's makefile.
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Old 2020-09-17, 05:01   #2452
petrw1
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Quote:
Originally Posted by moebius View Post
try to build new with this phyton notebook from ATH https://mersenneforum.org/showpost.p...7&postcount=33
Trying this....session is running; just not sure what it is doing or if it is actually running a P-1.

I'll keep you posted.
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Old 2020-09-17, 05:03   #2453
petrw1
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Quote:
Originally Posted by paulunderwood View Post
What does g++ --version say?

You might have to hardwire your compiler name and version in gpuOwl's makefile.
This???

Code:
echo Version: `cat version.inc`
Version: "v6.11-380-g79ea0cc"
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