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Topic: GPU crunching question (Read 41745 times)
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Devaster
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so here is a technology preview...
DO NOT USE IT FOR OFFICIAL CRUNCHING
stop boinc unpack run exe with parameter -standalone and see how is it running ...
if dont running then send stderr.txt to this forum, but in 90 % of cases is missing some OpenGL extension ...
to development : i am tired and i need some pause and thinking about it so dont be worry ...
Ill be back !
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« Last Edit: 15 May 2007, 02:25:31 am by Devaster »
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Vyper
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Tried it on Vista X64 and a 8800GTX with newest beta driver. It seems to crash after 30 minutes of running, the console text stopps and nothing happens, the program is running in background though. Stopped after 2 hours of non progress. I will try it later when i come home instead of remoting my home computer trying it out  Kind Reg Vyper |
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Devaster
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send here a stderr.txt please ....
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Vyper
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Hehe chill  Im gonna upload a stderr.txt within 5 hours or so.. Kind Reg. Vyper |
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Devaster
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there is some issue with rapidmind and remote gpus: https://developer.rapidmind.net/documentation/kb/gpus-remotelythats may be your case . new .exe - small optimization in fft calc and more speedy method on data upload ,other method to show progress : 1st number - fft size 2nd number - fft chunk calculated and analyzed 3rd number - total count of fft chunks. |
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« Last Edit: 15 May 2007, 12:34:04 pm by Devaster »
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Vyper
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Ok here is a stderr.txt from the first client, the progress seemed slow so i aborted it..
Check if it's ok even if i aborted it.
Going to try your second compile now.
Kind Reg Vyper
P.S How long does it take and how far shall the counter go? for the 2nd value that just climbs climbs and climbs?? D.S
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« Last Edit: 15 May 2007, 02:57:31 pm by Vyper »
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pepperammi
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I quickly set that second one up for a run over night. Seemed to be flying quite nicely when I left it but I just had a look and seems to have stuck at "after powerspectrum 8 131071 131072". Looks like stopped at the last chunk or something. stderr.txt attached.
Still using the cpu at max by the way.
This is on a Vista x64 system with a PD945 @3.62 and 7950GT OC edition with 512MB and using current latest beta drivers. Bit strapped for time but will try and get it on a second machine and/or this one with the latest 'official' drivers instead of beta ones.
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Devaster
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today i will check it what is the problem ... app is maximally unoptimized and without any exception trap  |
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Freddy
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Running your client on 8800GTS/winXP, everithing seems nice so far...
I'll upload the txt file later.
One core is used at about 80% while exe is running. (X2 4400+@2,5Ghz)
Stoped Running at powerspectrum 8 131071 131072 CPU is used by 100% now.
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« Last Edit: 17 May 2007, 03:12:57 am by Freddy »
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Devaster
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there is generated a exception but there is any trap so application stop ...
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Maxxx
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@Devaster
Running client on a ATI 1950XT -> winXP
core 1 is at 70-90% (Core2Duo@3333MHZ)
Stoped at powerspectrum 8 131071 131072 CPU
Lg Maxxx
good luck
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Arnulf
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I ran the client on my computer with dual Opterons and a nVidia 7800GS card ( AGP ).
Processor usage - one core at 60 to 70%.
Attached stderror.txt
A.
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Devaster
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for now i am trying in cooperation with rapidmind guys to maximally parallelize the fft code ... for now whole analyze is running in one cycle in serial my idea is this (thanx to vyper for basic idea  ) : separate the whole analyze process to three stages: 1. calculate part ffts on whole datas at one time 2. calculate whole powerspectrum at one time 3. check for the spikes/Gaussians/pulses at one time usage of the rapidmind can parallelize code efficiently ... 1. trying encapsulate the walkthrough code over data array into shaders code then may be in separate shader unit run many ffts side by side ... |
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Vyper
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Heyy i got a thanks.. Me is soo now ... Good luck dude.. Keep in touch with us, and let us know further hicupps so you can get another angle to solve issues.. Kind Regards Vyper |
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Quote!
All that is necessary for the triumph of evil is that good men do nothing.- Edmund Burke
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setigpu.zip
