Forum > GPU crunching

AK V8 + CUDA MB team work mod

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Raistmer:
team version doesn't sencible to CUDA plan at all.
BOINC doesn't know that it runs CUDA app in "team" combo :)
It matters only for V7

Archangel999:
hm will see what have with the newer pack hope will fix it  :-\

WimTea:
This result s my first with v8b and it's a bit weird. Found CUDA device but reverted back to CPU after encountering an error:
Cuda error 'cufftPlan1d(&fft_analysis_plans[FftNum], FftLen, CUFFT_C2C, NumDataPoints / FftLen)' in file 'd:/BTR/seticuda/seti_boinc/client/cuda/cudaAcc_fft.cu' in line 49 : out of memory.
setiathome_CUDA: CUDA runtime ERROR in plan FFT. Falling back to HOST CPU processing...

Any ideas? QX9550 11% OC'd, XP 64, 4Gb RAM, PNY Geforce 9800 GT 512 Mb, CUDA driver 181.22, SDK and toolkit 2.1 as described in Seti thread.
Will try another WU when some are available  again :( and report on that one.

[edit]
Just got another one. stderr.txt has the same message unforunately. Showed up about 10 sec. after starting the WU.
[/edit]

Raistmer:
You have memory leak
Total GPU memory 536543232    free GPU memory 14418944
too low free GPU memory.
Try to restart OS. If it will happen again try another driver version. I had memory leak on Win2003 x64 too before. Now not, but it work less stable than Vista x86.
It seems x64 nVidia drivers too buggy still ....

WimTea:
Tx for the analysis. I'll try a reboot and different drivers. Don't want to revert ::) to XP 32 though... Btw could this leak also explain why every now and then the screen (an old faithful) turns black for a few secs?

[edit]
Had to try another one before a reboot:
Total GPU memory 0    free GPU memory 0
 :o
[/edit]
[edit2]
Rebooted. Mem OK now, but still no go...

Cuda error 'cudaMemcpyToSymbol(cudaAcc_GaussFit_settings, (void*) &settings, sizeof(settings))' in file 'd:/BTR/seticuda/seti_boinc/client/cuda/cudaAcc_gaussfit.cu' in line 454 : invalid device symbol.

</stderr_txt>
]]>
 
Validate state Invalid
Claimed credit 0.0649666881657264
Granted credit 0
application version 6.08

[/edit2]
[edit3]
Seems the GPU bios version is also an issue, it advertises as an engineering version... Back to the shop with it I guess.
[/edit3]

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