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ThreadRipper
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

Yes, let's focus on the important part - the acceleration of science and the virtual experiments we run here, and let's focus on the fact that alpha testing of GPU WUs has commenced. Let us all once again focus on being a part of the/a solution, not the/a problem here.

One does not prevail over a global enemy like Covid19 while fighting among one's own. We MUST stand united as one whole, or we have already lost. Yes, lost. So far, the world is not united and therefore Covid so far has the upper-hand. Some accuse others, some do not follow restictions or recommendations, some find the restrictions violating their personal freedom or liberty, some don't care if they live or die, some are ignorant, some do not realize that by doing so and getting infected they may become the direct cause of many people's deaths, some do not accept delayed rewards.

Be we MUST show that we all are here because we care, we want to be a part of the solution TOGETHER, because that is the only way. By being a cruncher here at WCG we are de facto accepting delayed rewards - rewards that may not even come in our lifetimes, but may be of enormous significance for humanity. By being here and contributing, we have to out our minds at peace in knowledge of our abilities and limitations - the latter of which only we ourselves create by arguing among ourselves.

If you are to argue with someone, do it with the ones you see who do not keep distance in the public, who don't care. Because fact is: If Everyone would stay at home for three weeks, this pandemic would have been over in January/February. Three weeks would probably be all it takes. If everyojne would follow the restrictions and recommendations with regard to staying at home, social distancing, wearing face masks, face shields, caring and acting for the best of humanity...I am sure thing would look very different.

Everyone contributor here - you are doing an amazing thing! Now don't spoil it all with arguments among ourselves here. So, since I assume we are all here because we care, let's do just that and crunch on. Togheter. As. One. Whole.
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caitilarkin
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

cjslman, ThreadRipper, and mwroggenbuck,

Thank you for these heartening comments. I appreciate them more than you can imagine.

Regarding the porting of OpenPandemics to GPU, a reminder that the latest update is in last week's monthly project update, which you can read here.
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caitilarkin
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

Following up on the post above:

GPU units for OPN is an extremely important topic. Our (very small) dev team is heads-down working with the OPN researchers to determine the best possible solution under the circumstances.

In order for all interested volunteers to see the information and opinions in this thread, I've had to delete a number of off-topic posts. And before I did this, I had to let our team know, which takes them off task.

Also, in order to be consistent, I had to delete a positive comment from a volunteer because it didn't mention OPN on GPU, and for that I am very sorry.

We routinely leave up negative or critical comments as long as they're on topic and don't promote misinformation about science or World Community Grid.

We are removing posts that are off-topic, bullying, or disruptive without contributing to the topic of the thread. All of us are in a global pandemic that is worsening largely because accurate information and scientific knowledge are routinely buried by misinformation and in-fighting. We're not going to contribute to that destructive cycle here.

Thank you to those who are posting on-topic and in a manner to help your fellow volunteers.
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trigggl
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

Hoping to have some GPU work within a month.
AKA - bump
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verlyol-belgium
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

I would just add that having a GPU version is an additional option, nothing more! It seems obvious to me that statistically speaking, the number of GPUs is incomparably lower compared to CPUs! It is also easier to make the CPU of a computer "work" for WCG than a GPU (no driver constraints, less cooling constraints ...). In the end, I believe that the GPU version will be an interesting option only for a minority of volunteers who have an adequate GPU and who wish to involve it in projects .... Nothing can replace the flexibility of a modern CPU ... .
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Aurum
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

I want to maximize my contribution to Scripps' work from both my CPUs and GPUs.
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...KRI please cancel all shadow-banning
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William Albert
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

It seems obvious to me that statistically speaking, the number of GPUs is incomparably lower compared to CPUs!

Folding@home provide statistics for their CPU and GPU mix, and while I'm not exactly clear how they're calculating TFLOPS, they show 1.1 million GPUs and 2 million CPUs. Their GPU fleet is not insignificant.

I don't know if OpenPandemics can utilize GPUs in the same way as Folding@Home (although even if it's relatively inefficient, tapping into computing power that would otherwise go unused might still be worth it), but there's a lot of upside if the researchers can get it to work.
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[Edit 1 times, last edit by William Albert at Sep 19, 2020 5:58:10 PM]
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mikey
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

It seems obvious to me that statistically speaking, the number of GPUs is incomparably lower compared to CPUs!

Folding@home provide statistics for their CPU and GPU mix, and while I'm not exactly clear how they're calculating TFLOPS, they show 1.1 million GPUs and 2 million CPUs. Their GPU fleet is not insignificant.

I don't know if OpenPandemics can utilize GPUs in the same way as Folding@Home (although even if it's relatively inefficient, tapping into computing power that would otherwise go unused might still be worth it), but there's a lot of upside if the researchers can get it to work.


Also generally speaking a gpu can do 10 times the work, or the same work 10 times as fast, in the same amount of time.It all depends on the app of course but that's a generaliztion of most cpu to gpu app comparisons across Boinc. Of course some lend themselves to being much fast and some a bit slower. PrimeGrid is agood example of things like that...they have actually shut down some of their projects to cpu's because they are just too slow.
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

If anyone out there is interested in seeing just how good their system does at OpenCL (which is what they are porting OPN task to) then you can check out:

http://www.luxmark.info/

Luxmark is an industry recognized OpenCL benchmark utility that utilizes ray tracing to render predefined 3D scenes. It supports CPU and GPU. It is also open source software.
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verlyol-belgium
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Re: Mandatory "Request for Project to be Ported to GPU" Thread

Also generally speaking a gpu can do 10 times the work, or the same work 10 times as fast, in the same amount of time



Of course a GPU is capable of executing a task much faster than a CPU, but despite this the CPU remains and will remain more flexible .... Especially with the multiplication of cores and with the addition of new instructions. Folding@home is a perfect example of this fact. Despite the fact that this project is very popular on GPUs, there is a huge contribution from CPUs, with a performance gap that gets smaller with large multi-core CPUs .... With reasonable consumption.
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[Edit 1 times, last edit by verlyol-belgium at Sep 20, 2020 8:21:40 AM]
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