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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 30 May 2007, 02:23:55 pm
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Pentium D 945 @3.6Ghz, GF 7950gt 512mb, Vista x64, 3gb dual channel mem.
cpu at about 50-80%, 40-55% on the app and rest seemed to be on a svchost.exe which would go from 0-50%.
Second half at ~50% and that's all from the app. Still a -9 overflow.
Time bit quicker I think at roughly 8 minutes |
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 27 May 2007, 02:44:23 pm
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Pentium D945 @ 3.6Ghz, Nvidia 7950GT 512MB oc'ed edition, Vista x64 Ultimate with just about everything turned off for the run.
Didn't get stuck like did last time which is brilliant to see. CPU usage through first part about 25-65% all together (sorry didin't take note of cpu on the app alone) and ~22% through second half for just the app itself.
Took something like 10 minutes for me too but still great to see working. Incredible work. |
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 16 May 2007, 05:17:43 am
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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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Optimized Seti@Home apps / Discussion Forum / Re: SETI@Home needs your help - urgently!
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on: 19 Mar 2007, 10:07:08 am
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HI sorry I got I v.weird idea.
Was talking to some mates about Seti and them needing funding etc. and the topic of them selling souvenir like item to help make some revenue. I did say I think they already do a little of that but then we got onto the topic of GFX crunching and maybe even purpose built boards (like the FPGA stuff) and that then went on to the idea we came up with.
What if Seti where to build fairly cheap boards that they could code for that people can put in their machine to help crunch too. Could make (or have made) and sell them for a very slight profit towards the project and hopefully with a fairly quick bit of dedicated code for those boards can really help crunching?
Sorry if a silly Idea. I can imagine several ways its all completely infeasible but maybe is feasible for all I know? I know I'd probably get one if was something like under £80 or so. Maybe even other projects could also pitch in and also try to take advantage buthats something else. |
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Optimized Seti@Home apps / Discussion Forum / Re: Google AdSense ads to support SETI@Home donations
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on: 08 Mar 2007, 06:16:18 am
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I noticed on a forum I'm been following, Not sure if good Etiquette to post it but can PM the address if you haven't already seen it if you'd like?
Anyway seem part of their Google 'AdSense' is to have a Google web search bar and the last post in thread is maintained as a Google AdSense post. The forum I've seen it in doesn't have anything in the 'post' but just advertises the post as from Google AdSense - but that could be my adblocking. I'd set my adblocking to ignore and allow the ads on this site specifically to help the cause.
I think that you are right about the search bar increasing revenue. Infact, if i am on a site that has a search bar built in I tend to use that bar right from where I am instead of going to the google site. -citroja
Just pointing out some ways it's been done. |
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Optimized Seti@Home apps / Discussion Forum / Re: Google AdSense ads to support SETI@Home donations
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on: 07 Mar 2007, 07:13:22 am
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I noticed on a forum I'm been following, Not sure if good Etiquette to post it but can PM the address if you haven't already seen it if you'd like?
Anyway seem part of their Google 'AdSense' is to have a Google web search bar and the last post in thread is maintained as a Google AdSense post. The forum I've seen it in doesn't have anything in the 'post' but just advertises the post as from Google AdSense - but that could be my adblocking. I'd set my adblocking to ignore and allow the ads on this site specifically to help the cause. |
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Optimized Seti@Home apps / Windows / Re: New apps based on code revision 2.2 'Noo? No, Ni!' have been released!
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on: 01 Mar 2007, 07:52:05 am
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I suppose it might depend on the compound. Some apparently can dry out. Some apparently don't reach peak efficiency till have been in use for a few hundred hours.
I probably would swap my thermal compound after a year or so just to be on the safe side and it'd be part of my occasional overall system de-dusting etc.
I don't see any problem though as long as temps are not starting to slowly increase (indicating new compound needed).
Have to clean off the old compound residue first. For that you need a cleaning solution. Couple of the compound makers sell a solution for this. Someone once told me you can use glasses cleaning wipes as long as your careful but I've never wanted to try that. Or even a tiny drop of LCD screen cleaner fluid on a cotton bud but again I've never wanted to try that either.
I've always gone for the small drop of compound on the CPU and spread it out thinly and evenly, then press the heatsink down into place and give it a little bit of movement (move around a tiny bit) just to help the compound spread even thinner and evenly and get into all the tiny surface imperfections. Then clamp the heatsink down.
I prefer putting the compound on the CPU because then your sure it is all going exactly where its suppose to be and you're sure you've got the right amount.
Maybe someone could translate this, and add their better wisdom to it too so more helpful? |
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 22 Feb 2007, 07:57:55 pm
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for G80 is better a CUDA version , i may search on my home computer some apps by Hans Dorn - he had builded some test apps based on CUDA ...
I hear the 8900 series will have 25% more shaders or something and still the G80 chips. Apparently there all along. Would that mean anything to all this?
I wonder if will be able to unlock them like I think was possible on some older ATI at some point? |
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 14 Feb 2007, 01:54:11 pm
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Yea it kinda crashes on x64. Was able to get this info before it does though if its any help to you.
On PD945, 7950 GT 512MB oc edition but can't remember the clcok speed. Will try and find that again. Also the driver for Vista aren't brilliant at the moment.
I'll try and get it on the XP 32bit system I've got.
[EDIT]Got results from XP 32bit system. Much better. On a 6700XL 128MB
Size: 256 x 256 = 2^8 x 2^8
Radix: 4 = 2^2
Total number of floating point operations: 5.24288e+006
Run timings, to and from host (in ms):
Average execution time: 10.3317ms
Overall average execution time: 10.333ms
Minimum execution time: 9.10301ms
Average Mflops: 507.458
Peak Mflops: 575.95
Run timings, GPU-local (in ms):
Average execution time: 7.88121ms
Overall average execution time: 7.88255ms
Minimum execution time: 7.25584ms
Average Mflops: 665.238
Peak Mflops: 722.574
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 14 Feb 2007, 11:04:49 am
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Fails to run in Vista Ultimate x64  Says for both fft and fft2d
"The application has failed to start because it's side-by-side configuration is incorrect. Please see the application log for more detail."
Event viewer info:
Activation context generation failed for "C:\xxxxxxx\fft.exe". Dependent Assembly Microsoft.VC80.CRT,processorArchitecture="x86",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="8.0.50727.762" could not be found. Please use sxstrace.exe for detailed diagnosis. Sorry. I wont be much help I suppose
[EDIT] same on a second XP machine. |
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Optimized Seti@Home apps / Windows / Re: GPU crunching question
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on: 13 Feb 2007, 10:17:08 pm
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I've got a 7950gt 512Mb to run on if ever you need it if anyway it can be of help. I'm sure you've had loads of people offer to test for you  
Increadable stuff looks like. Keep up the great work  |
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