New applications for GPU released


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inomyabcs

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Message 2335 - Posted: 31 Dec 2013, 14:11:28 UTC
GTS450 ~ 14217.13s
Averaged over three results.
Standard deviation 4.33032
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Message 2336 - Posted: 31 Dec 2013, 14:24:11 UTC - in response to Message 2335.  
GTS450 ~ 14217.13s
Averaged over three results.
Standard deviation 4.33032


Thanks for info.
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Enric Surroca

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Message 2337 - Posted: 31 Dec 2013, 17:16:55 UTC
Hi all.
My specs: Q9505 // Nvidia GTX550Ti 1024Mb // 4Gb RAM.

Most wu's take aprox. 12k seconds and give 480 points; got 1 wu of 24k seconds, still waiting to see the score.

@Dagorath: I also agree; equal wu --> equal score.

The thing is IMHP: In A@H GPU takes too much time to complete a wu; nearly the same as a CPU. I've worked for other projects; the difference in time is really important (i.e. Primegrid and Einstein) in CPUvsGPU. This leads to get more points for using the GPU; not for the wu itself but for the fact that with GPU You can go really faster so You can finsih more wu's in the same time.

So, admitting that a GPU uses more power than a CPU, that it takes same time to process, and it gives the same score... what's the point of using GPU? (and I'll use GPU for sure) Freeing the CPU to be used in other projects?

Only ask what other people may think; not me. I'll work both with CPU and GPU here, but others may think it a lose of time and energy.

C u all
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Jan Vaclavik

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Message 2338 - Posted: 31 Dec 2013, 18:41:55 UTC - in response to Message 2337.  
So, admitting that a GPU uses more power than a CPU, that it takes same time to process, and it gives the same score... what's the point of using GPU? (and I'll use GPU for sure) Freeing the CPU to be used in other projects?
I think in its current state, the GPU app is aimed on fans of A@H, as it allows them to contribute their GPUs.
If you are contributing to multiple projects and some of them perform way better on GPUs compared to CPUs, you may want to keep your GPUs for those and CPUs for A@H.
You may very well ask why are some projects even supporting CPU apps.
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Message 2339 - Posted: 31 Dec 2013, 19:38:08 UTC
I got much higher times on 560TI 384 cores then written down here. Does it need a free CPU Core? It ran at 99% Load, but i know this doesnt mean much ;)
DSKAG Austria Research Team: http://www.research.dskag.at



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Message 2340 - Posted: 1 Jan 2014, 1:47:37 UTC - in response to Message 2339.  
Greetings

Glad to hear you are making good progress with the GPU app.

As I have an AMD HD 5850, I will have to patiently wait till there is an OpenCL app available.

What that will mean for me, is that I will be able to crunch Asteroids on GPU and crunch one of my other favourite CPU projects on the CPU.

Until, happy crunching.

Regards
Tazzduke
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Message 2342 - Posted: 1 Jan 2014, 14:36:52 UTC - in response to Message 2339.  
I got much higher times on 560TI 384 cores then written down here. Does it need a free CPU Core? It ran at 99% Load, but i know this doesnt mean much ;)


I have not tried mine here yet but I ALWAYS leave a cpu core free when using my gpu's, unless I see in the very low cpu % usage while the gpu is crunching. For instance my 7970, on another project, is using 0.84% cpu and I do have a cpu core free just to keep it fed and running as fast as possible. If I change it to use all cpu cores for crunching my gpu crunch times go up.
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Enric Surroca

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Message 2343 - Posted: 1 Jan 2014, 18:55:54 UTC
@ Jan Vaclavik: you got the point. That's exactly what I meant.

For a while I'll use both CPU and GPU (my little GTX550Ti). Obviously I'm hooked quite a bit to this project. Though there're others alsovery good.

Still waiting to see the score of a 24k seconds GPU wu. Will have to be patinent.

C U all
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Message 2344 - Posted: 2 Jan 2014, 15:45:59 UTC - in response to Message 2339.  

Last modified: 2 Jan 2014, 22:20:34 UTC
I got much higher times on 560TI 384 cores then written down here. Does it need a free CPU Core? It ran at 99% Load, but i know this doesnt mean much ;)


It depends on wu and some users have overclocked cards.
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Message 2345 - Posted: 2 Jan 2014, 15:47:07 UTC - in response to Message 2342.  

Last modified: 2 Jan 2014, 17:39:09 UTC
I have not tried mine here yet but I ALWAYS leave a cpu core free when using my gpu's, unless I see in the very low cpu % usage while the gpu is crunching. For instance my 7970, on another project, is using 0.84% cpu and I do have a cpu core free just to keep it fed and running as fast as possible. If I change it to use all cpu cores for crunching my gpu crunch times go up.


I do this for GPUGRID only. Other project like DistrRTGen and Asteroids can live without dedicated CPU core.
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John P

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Message 2347 - Posted: 2 Jan 2014, 17:24:04 UTC - in response to Message 2233.  
ok
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Message 2350 - Posted: 3 Jan 2014, 6:37:44 UTC - in response to Message 2344.  
I got much higher times on 560TI 384 cores then written down here. Does it need a free CPU Core? It ran at 99% Load, but i know this doesnt mean much ;)


It depends on wu and some users have overclocked cards.


Could be the version of driver. Newer Nvidia drivers are optimized for Kepler and perform badly on pre-Kepler.
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Profile slovdan

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Message 2351 - Posted: 3 Jan 2014, 8:38:24 UTC

Last modified: 3 Jan 2014, 8:48:00 UTC
Dobrý den na mém účtu mám připraven počítač tablet Prestigio Multipad PMP5097CPRO s OS android 4.0.3, ale váš systém hlásí že mám 3.0.8, aplikaci boinc mám nainstalovánu, nicméně aplikace nedokáže žádný task z webu nahrát a spustit. ale v setavě mých PCje vidět. Nepomáhá ani reset aplikace, ani opakované opakovaný update v aplikaci. m"žete prosím poradit??Děkuji
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Profile Kyong
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Message 2353 - Posted: 3 Jan 2014, 9:39:07 UTC

Last modified: 3 Jan 2014, 9:39:28 UTC
Our system doesn't report so. It does your BOINC client, our server only shows what your client reports. Look at the Event log what platform it reports, I think that this may be the problem that it reports something else than it should be.
And please, use English here, it's very confusing for other people then, someone else can also help or the solution helps others.
If you want to use Czech language, write at forum.czechnationalteam.cz in the section Asteroids@home.
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Message 2354 - Posted: 3 Jan 2014, 9:54:37 UTC - in response to Message 2350.  
I got much higher times on 560TI 384 cores then written down here. Does it need a free CPU Core? It ran at 99% Load, but i know this doesnt mean much ;)


It depends on wu and some users have overclocked cards.


Could be the version of driver. Newer Nvidia drivers are optimized for Kepler and perform badly on pre-Kepler.


This is true. Right driver is a little magic.
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Message 2355 - Posted: 3 Jan 2014, 11:26:01 UTC
New updated CUDA version has been released.
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Message 2356 - Posted: 3 Jan 2014, 12:23:01 UTC - in response to Message 2355.  
Error while downloading GPU WU.
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Message 2357 - Posted: 3 Jan 2014, 12:32:28 UTC - in response to Message 2356.  

Last modified: 3 Jan 2014, 12:32:37 UTC
Error while downloading GPU WU.


You are right, it's problem on server. Kyong will fix it.

Sorry for that.
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Message 2363 - Posted: 4 Jan 2014, 13:23:53 UTC - in response to Message 2355.  
New updated CUDA version has been released.


An improvement (18%) from (v100.00) ~9:40 to (v101.00) about 8h on my GT 635M!
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Message 2365 - Posted: 4 Jan 2014, 15:54:06 UTC - in response to Message 2345.  

Last modified: 4 Jan 2014, 15:54:35 UTC
I have not tried mine here yet but I ALWAYS leave a cpu core free when using my gpu's, unless I see in the very low cpu % usage while the gpu is crunching. For instance my 7970, on another project, is using 0.84% cpu and I do have a cpu core free just to keep it fed and running as fast as possible. If I change it to use all cpu cores for crunching my gpu crunch times go up.


I do this for GPUGRID only. Other project like DistrRTGen and Asteroids can live without dedicated CPU core.


DistrRTGen was the one I was referring too, using 0.84% of a cpu core means I always leave a core free just to keep it fed. I am doing units in the 36 minute range on a 7970 that way. I JUST got my first Asteroid units and they are only using 0.01% of a cpu core with an Nvidia 560Ti card. On Einstein, also with a 560Ti Nvidia card, it is using 0.2% of a cpu core per unit, I am running 2 units at once though, so 0.4% total.
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Message boards : News : New applications for GPU released