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World Community Grid Forums
Category: Active Research
Forum: OpenPandemics - COVID-19 Project
Thread: Feature request: split "Open Pandemics - COVID-19" into 2 projects - for CPU and for GPU |
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Thread Status: Active Total posts in this thread: 14
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Huan-kun
Cruncher Joined: Apr 29, 2015 Post Count: 21 Status: Offline Project Badges: 
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Hi there,
----------------------------------------Is it possible to split "Open Pandemics - COVID-19" into 2 projects - for CPU and for GPU? We can't run it on GPU only and use CPU for another project (MIP for example) at this moment. OP has a lot of chuncks in comparison with MIP and fills almost all CPU cores whole the time. If I want to run MIP I have to stop OP at all. But it is the only project in WCG that can be run on GPU. Thank you. [Edit 1 times, last edit by Huan-kun at May 4, 2021 8:16:55 PM] |
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Falconet
Master Cruncher Portugal Joined: Mar 9, 2009 Post Count: 3315 Status: Offline Project Badges: 
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This has been asked/mentioned before but the answer was that it isn't going to happen since this keeps things much simpler in the background, etc.
----------------------------------------In any case, there is so little OPN for GPUs (aside from the recent stress test) that you'd still get very little work. For reference, there are only 2,000 workunits release every 30 minutes.  - AMD Ryzen 5 1600AF 6C/12T 3.2 GHz - 85W - AMD Ryzen 5 2500U 4C/8T 2.0 GHz - 28W - AMD Ryzen 7 7730U 8C/16T 3.0 GHz |
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Speedy51
Veteran Cruncher New Zealand Joined: Nov 4, 2005 Post Count: 1326 Status: Offline Project Badges: 
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In any case, there is so little OPN for GPUs (aside from the recent stress test) that you'd still get very little work. For reference, there are only 2,000 workunits release every 30 minutes. 4000 an hour or 96,000 a day.  |
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tux93
Cruncher Germany Joined: Jan 5, 2012 Post Count: 9 Status: Offline Project Badges: 
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You could use app_config.xml to only allow a limited number of OPN1 tasks to run in parallel so other threads can work on other projects, for example:
----------------------------------------<app_config>  Primary: Intel i7-4790 + nVidia GTX 1060 Secondary: Intel i7-2600 + nVidia GTX 750 Ti OS: openSUSE Tumbleweed |
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Huan-kun
Cruncher Joined: Apr 29, 2015 Post Count: 21 Status: Offline Project Badges:
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In any case, there is so little OPN for GPUs (aside from the recent stress test) that you'd still get very little work. For reference, there are only 2,000 workunits release every 30 minutes. My GPU is busy whole the day every day by OPN. And about 20 GPU units in queue. [Edit 2 times, last edit by Huan-kun at May 5, 2021 10:12:11 AM] |
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Huan-kun
Cruncher Joined: Apr 29, 2015 Post Count: 21 Status: Offline Project Badges:
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You could use app_config.xml to only allow a limited number of OPN1 tasks to run in parallel so other threads can work on other projects, for example: <app_config> Thanks. I'll try this but it's not quite what I wanted to achieve. These 2 threads can be not only for GPU, right? [Edit 3 times, last edit by Huan-kun at May 5, 2021 10:10:13 AM] |
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tux93
Cruncher Germany Joined: Jan 5, 2012 Post Count: 9 Status: Offline Project Badges:
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This limits Open Pandemics CPU work units to two at a time, it doesn't affect GPU WUs at all.
----------------------------------------The way I understood your question was how to prevent Open Pandemic CPU tasks from blocking all your threads, which this should achieve, if I misunderstood please explain some more. Primary: Intel i7-4790 + nVidia GTX 1060 Secondary: Intel i7-2600 + nVidia GTX 750 Ti OS: openSUSE Tumbleweed |
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Huan-kun
Cruncher Joined: Apr 29, 2015 Post Count: 21 Status: Offline Project Badges:
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This limits Open Pandemics CPU work units to two at a time, it doesn't affect GPU WUs at all. The way I understood your question was how to prevent Open Pandemic CPU tasks from blocking all your threads, which this should achieve, if I misunderstood please explain some more. No, this is correct. I thought the code will affect GPU tasks too. Thanks a lot! [Edit 1 times, last edit by Huan-kun at May 5, 2021 2:46:13 PM] |
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goben_2003
Advanced Cruncher Joined: Jun 16, 2006 Post Count: 146 Status: Offline Project Badges:
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This has been asked/mentioned before but the answer was that it isn't going to happen since this keeps things much simpler in the background, etc. I think it may actually be to avoid having to change the web interface for the device profiles. In the background it does turn your OPN from your device profile to different projects. The name is converted to a number (OPN1 = 92, OPNG = 94) and they are each limited (individually) to the number you set for OPN in project limits.  |
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Link64
Senior Cruncher Joined: Feb 19, 2021 Post Count: 206 Status: Offline Project Badges:
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We can't run it on GPU only and use CPU for another project (MIP for example) at this moment. Have you tried to disable OPN and enable "If there is no work available for the project(s) I have selected above, please send me work from another project."? Since no other projects have GPU apps, the server should send you GPU work from OPN and CPU work from whatever you choose to run.  |
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