7970s Dont Run

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Old man

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Message 5214 - Posted: 21 Jul 2013, 20:05:22 UTC - in response to Message 5210.  

I have now successful run it on HD7950 with 13.4 driver but against 5xxx/6xxx serie poor speed. It must have 30%-40% more speed increase. The client still needs some optimizations with 7xxx serie.

Get now working stream client.

Download

Download and copy files into project folder.

Thx for the infos below. Good luck!


Thank you! It works.

http://moowrap.net/results.php?hostid=9050&offset=0&show_names=1&state=4&appid=


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RichardLux

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Message 5216 - Posted: 22 Jul 2013, 12:36:44 UTC

Hi all!

Yah, the solution provided by rebirther works also for me with 7970 card (Windows 7 64 bit and CCC 13.4) Thanks :)

Actually rebirther already mentioned the performance topic, but I also want to add my thoughts and experience here...

With my i7 3770K with 8 cores I can finish 8 tasks within 96 minutes. With GPU I can finish 1 task within about 18 minutes. This means I can finish 2.67 more tasks with my CPU in same time. I thought that a GPU can compute much faster. I guess it is a question of the input data/type of calculation, which can be still optimized in the software, that it performs faster. Is it like that?
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Message 5218 - Posted: 22 Jul 2013, 14:09:23 UTC - in response to Message 5216.  
Last modified: 22 Jul 2013, 14:12:41 UTC

Hi all!

Yah, the solution provided by rebirther works also for me with 7970 card (Windows 7 64 bit and CCC 13.4) Thanks :)

Actually rebirther already mentioned the performance topic, but I also want to add my thoughts and experience here...

With my i7 3770K with 8 cores I can finish 8 tasks within 96 minutes. With GPU I can finish 1 task within about 18 minutes. This means I can finish 2.67 more tasks with my CPU in same time. I thought that a GPU can compute much faster. I guess it is a question of the input data/type of calculation, which can be still optimized in the software, that it performs faster. Is it like that?


Thats not right. I think the GPU will be feed with some more packages to crunch than the CPU can do it.
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RichardLux

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Message 5219 - Posted: 22 Jul 2013, 14:53:09 UTC - in response to Message 5218.  


Thats not right. I think the GPU will be feed with some more packages to crunch than the CPU can do it.


Yes, I thought that some minutes after I posted it.
I saw that the GPU tasks are much bigger (1'344'000 GFLOPs) compared with the CPU tasks, but at the moment I dont have a CPU task in my queue and I cannot compare it, but I think it was around 4000 GFLOPs for CPU tasks (?).

Thanks.
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mikey
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Message 5226 - Posted: 23 Jul 2013, 12:00:57 UTC - in response to Message 5219.  


Thats not right. I think the GPU will be feed with some more packages to crunch than the CPU can do it.


Yes, I thought that some minutes after I posted it.
I saw that the GPU tasks are much bigger (1'344'000 GFLOPs) compared with the CPU tasks, but at the moment I dont have a CPU task in my queue and I cannot compare it, but I think it was around 4000 GFLOPs for CPU tasks (?).

Thanks.


Did you try leaving one cpu core free for the gpu to use? Sometimes the gpu gets bound up and needs a cpu core just to keep it running at full speed. You said you have no cpu tasks from Moo, but are you running cpu tasks from other projects right now? If so change the Boinc Manager so only 7 tasks run at once and see if your gpu speeds up quite a bit.

Also are you using a file like this:
<app_config>
<app>
<name>moo</name>
<gpu_versions>
<gpu_usage>0.5</gpu_usage>
<cpu_usage>0.05</cpu_usage>
</gpu_versions>
</app>
</app_config>

to run two gpu units at once? Changing the 0.5 in the gpu usage line to a 0.33 would run 3 units at once, making it 0.25 would run 4 units at once. I have no idea where the sweet spot is on your gpu but I am pretty sure one at a time isn't it.
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RichardLux

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Message 5229 - Posted: 23 Jul 2013, 22:53:45 UTC - in response to Message 5226.  
Last modified: 23 Jul 2013, 23:26:23 UTC

@mikey

1 of 8 CPU threads is free always, if I process GPU tasks. 7 CPU threads are used for other projects. The GPU is on maximum 94% load always (not sure why not 100%, maybe a limiter in the Moo/dnetc software?).

I think everything is fine, but I did not know that GPU tasks are much bigger than CPU tasks. Thats why I thought there is some problem. Now I think my GPU performs very well ;)
Or do you think it should/must perform better?
(1'344'000 GFLOPs task within about 18 minutes)


@All
Will this fix be available in an official release soon?


Update: One of my CPU tasks had 15750 GFLOPs and it took 83 minutes.
If I compare everything then I get following...
-> GPU -> 1168.70 GFLOPS
-> CPU (1 thread) -> 3.13 GFLOPS
-> CPU (8 threads) -> 25 GFLOPS
-> The GPU is 46 times faster

1168.70 GFLOPS is more than described in the AMD specifications for double precision floating operations. If single precision would be enough then it could compute 4 times faster :D
But I guess there is no performance improvement possible, because the project needs double precision (or whatever it is doing^^). I am not familiar with that, so I am shutting up now ;)
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mikey
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Message 5232 - Posted: 24 Jul 2013, 10:45:56 UTC - in response to Message 5229.  

@mikey

1 of 8 CPU threads is free always, if I process GPU tasks. 7 CPU threads are used for other projects. The GPU is on maximum 94% load always (not sure why not 100%, maybe a limiter in the Moo/dnetc software?).

I think everything is fine, but I did not know that GPU tasks are much bigger than CPU tasks. Thats why I thought there is some problem. Now I think my GPU performs very well ;)
Or do you think it should/must perform better?
(1'344'000 GFLOPs task within about 18 minutes)


@All
Will this fix be available in an official release soon?


Update: One of my CPU tasks had 15750 GFLOPs and it took 83 minutes.
If I compare everything then I get following...
-> GPU -> 1168.70 GFLOPS
-> CPU (1 thread) -> 3.13 GFLOPS
-> CPU (8 threads) -> 25 GFLOPS
-> The GPU is 46 times faster

1168.70 GFLOPS is more than described in the AMD specifications for double precision floating operations. If single precision would be enough then it could compute 4 times faster :D
But I guess there is no performance improvement possible, because the project needs double precision (or whatever it is doing^^). I am not familiar with that, so I am shutting up now ;)


I believe MilkyWay is the only gpu project that uses double precision, I do not believe Moo does. I have half a dozen AMD 5770 gpu's and they all worked here just fine, but since they are not double precision they will not work at MilkyWay.

And your findings are normal, the gpu is much faster then a cpu when crunching. I cannot say though if 46 is normal or not, I have usually heard a rough guess of 10 times, but thru optimization I am not surprised that has increased.
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RichardLux

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Message 5236 - Posted: 24 Jul 2013, 14:11:24 UTC - in response to Message 5232.  


I believe MilkyWay is the only gpu project that uses double precision, I do not believe Moo does. I have half a dozen AMD 5770 gpu's and they all worked here just fine, but since they are not double precision they will not work at MilkyWay.

If it is like that, then now again I think my GPU performs bad :D
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Message 5238 - Posted: 24 Jul 2013, 20:32:12 UTC - in response to Message 5236.  
Last modified: 24 Jul 2013, 20:33:38 UTC


I believe MilkyWay is the only gpu project that uses double precision, I do not believe Moo does. I have half a dozen AMD 5770 gpu's and they all worked here just fine, but since they are not double precision they will not work at MilkyWay.


If it is like that, then now again I think my GPU performs bad :D


I think you are seeing the new 79xx app not performing up to its peak potential at this point. The 79xx app is brand new and still has alot of tweaking that can be done, but it will take some time before it hits its stride.
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Rich

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Message 5338 - Posted: 18 Aug 2013, 2:48:47 UTC

Has anyone tried out the new release to see if they work now?
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Old man

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Message 5344 - Posted: 19 Aug 2013, 12:09:01 UTC - in response to Message 5338.  

Has anyone tried out the new release to see if they work now?


Do you mean v2.9111.520 ? I use it.
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Rich

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Message 5346 - Posted: 20 Aug 2013, 1:44:09 UTC - in response to Message 5344.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?
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Message 5348 - Posted: 20 Aug 2013, 12:35:30 UTC - in response to Message 5346.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.
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Message 5350 - Posted: 21 Aug 2013, 12:02:51 UTC - in response to Message 5348.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.


Where did you get the ver 2 drivers?
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Message 5352 - Posted: 21 Aug 2013, 14:53:30 UTC - in response to Message 5350.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.


Where did you get the ver 2 drivers?


ver 2 drivers? I dont understand now. i use cat 13.4 drivers.
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Rich

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Message 5356 - Posted: 22 Aug 2013, 1:41:55 UTC - in response to Message 5348.  

Still works or now works? I mean without having to make any adjustments at all.
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Message 5357 - Posted: 22 Aug 2013, 10:38:00 UTC - in response to Message 5352.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.


Where did you get the ver 2 drivers?


ver 2 drivers? I dont understand now. i use cat 13.4 drivers.


A couple posts back you said "Do you mean v2.9111.520 ? I use it."
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Message 5359 - Posted: 22 Aug 2013, 13:49:55 UTC - in response to Message 5357.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.


Where did you get the ver 2 drivers?


ver 2 drivers? I dont understand now. i use cat 13.4 drivers.


A couple posts back you said "Do you mean v2.9111.520 ? I use it."


It is not a driver. It is a version of this program. Download it from http://www.bc-team.org/downloads.php?view=detail&df_id=80


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Message 5361 - Posted: 22 Aug 2013, 17:35:11 UTC
Last modified: 22 Aug 2013, 17:35:38 UTC

does this work with 79xx without issues?
please tell me.
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Message 5363 - Posted: 23 Aug 2013, 10:26:54 UTC - in response to Message 5359.  

That'd be the one, does it work with the 7xxx's...or at least the ones that weren't working before?


Still works.


Where did you get the ver 2 drivers?


ver 2 drivers? I dont understand now. i use cat 13.4 drivers.


A couple posts back you said "Do you mean v2.9111.520 ? I use it."


It is not a driver. It is a version of this program. Download it from http://www.bc-team.org/downloads.php?view=detail&df_id=80


Ahhh thank you!
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