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  1. #1
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    Coming Core 17 updates may double PPD

    We have been aggressively working on OpenMM (the key code used in the FAH GPU cores), creating new algorithms to increase performance on NVIDIA and AMD GPUs. The results have been pretty exciting. With OpenMM 5.1 (vs OpenMM 5.0, used in the current core 17 release), we are getting about a 2x speed up on typical FAH WU calculations, which will lead to an automatic 2x increase in PPD once this software is out of beta testing and integrated into core 17.
    http://folding.typepad.com/news/2013...u-core-17.html

    If anyone out there has been on the fence about setting up their GPU, maybe you'll change your mind once this update drops Of course, I suppose we'll have to take this with a grain of salt in case the values change before these start going out.


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  2. #2
    Joined
    Apr 2001
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    52

    Re: Coming Core 17 updates may double PPD

    I want 2x more points! I have been doing well with the new core 17. If they want to double my points for me im good with that!

  3. #3
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    Re: Coming Core 17 updates may double PPD

    Quote Originally Posted by RIPPER View Post
    I want 2x more points! I have been doing well with the new core 17. If they want to double my points for me im good with that!
    Exactly. My 7970 does 46k ppd @ 1100mhz core with the 13.3beta3 drivers. 2x sounds pretty extreme: 92k PPD on a GPU?! I'd be a little surprised if we actually realized such huge gains, but any increase is very welcome


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  4. #4
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    Re: Coming Core 17 updates may double PPD

    well this isn't what I want to see at all.. running project 11292 and getting TPF's for 5:23 for a whopping 6k ppd on my 7970. I want my 7662's back!


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  5. #5
    Joined
    Feb 2004
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    Janesville, Wi
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    6,450

    Re: Coming Core 17 updates may double PPD

    Hmmm,

    A live Q&A is available on reddit.

    Some of the key highlights are:
    -Up to 120,000 PPD on GTX Titan, and 110,000 PPD on HD 7970
    -Support for more diverse simulations
    -Linux support on NVIDIA cards and 64bit OSes
    -FAHBench updated to use the latest OpenMM and display version information

    Full Transcript of the Talk:

    Hi Iím Yutong, Iím a GPU core developer here at Folding@home. Today I want to give you guys an update on what weíve been working on over the past few months. Letís take a look at the three major components of GPU core development. First off, we have OpenMM, our open source library for MD simulations. Itís used by both FAHBench and Core17. FAHBench is our official benchmarking tool for GPUs, and it supports all OpenCL compatible devices. Weíre very happy to tell you guys that itís been recently added to Anandtechís GPU test suite. And Core17 is what your Folding@home clients use to do science. By the way, all those arrows just mean that the entire development process is interconnected.

    So letís take a step back in time.

    Last year in October, we conceived Core 17. And we had three major goals in mind. We wanted a core that was going to be faster, more stable, and to be able to support more types of simulations than just implicit solvent. But because of how our old core 15 and 16 was written, it was in fact easier for us to write the core from scratch.

    So in November, we started rewriting some of the key parts to replace some pre-existing functionality. Over two months, in January, things started to come together. Our work server, assignment server, and client was modified to support Core 17. We also started an internal test team, for the first time ever, using an IRC channel on freenode to provide real-time testing feedback.

    In February, Core17 had a public Beta of over 1000 GPUs. And We learnt a lot of valuable things. One of them was that the core wasnít all that much faster it seems on NVIDIA. Though on AMD things certainly looked brighter. Things still crashed occasionally, and bugs were certainly still present. So we went back to the drawing board to improve the core.

    In April, we added a lot of new optimizations and bug fixes to OpenMM. We tested a linux core for the first time ever on GPUs. And our internal testing team had grown to over 30 people. And that brings us to today.

    We now support many more types of simulations, ranging from explicit solvent to large systems of up to 100,000 atoms. We improved the stability of our cores. We now have a sustainable code base. We added support for linux for the first time. Itís also really fast Ė so Iím sure the burning question on your mind is, just how fast is it? Well letís take a look. On the GTX Titan we saw it from 50,000 points per day to over 120,000 points per day. On the GTX 680, we saw it go from 30,000 points per day to over 80,000 points per day. On the AMD HD 7970, we saw it from 10,000 points per day to over 110,000 points per day. On the AMD HD 7870 we saw it jump from 5,000 points per day to over 50,000 points per day.

    We never want to rest on our laurels for too long. We are already planning support for more Intel devices in the future, such as the i7s, integrated graphics cards, and Xeon Phis. We plan to add more projects to Folding@home as time goes on, so researchers within our group can investigate more systems of interest. And as always, we want things to be faster.

    Now letís go back to the beginning again, and hereís you guys can help us. If youíre a programmer, we invite you to contribute to the open source OpenMM project (available on github at the end of the month on github.com/simtk/openmm). If youíre an enthusiast and like to build state-of the-art computers, we encourage you to run FAHBench and join our internal testing team on freenode. If youíre a donor, weíd like you guys to help us spread the word about Folding@home and bring more people, and their machines of course. Now before I wrap things up, there are some people Iíd like to thank. Our internal testers are on the right hand side, and theyíve been instrumental in providing me with real time feedback regarding our tests. We couldnít have done it this fast without them. On the left hand side, are people within the Pande Group, Joseph and Peter are also programmers like me. Diwakar and TJ helped set up many of our projects. Christian and Robert have always been there for support and feedback.

    But wait, one last thing. This week, Iíll be doing a Questions and Answers session on reddit at reddit.com/r/folding. So if youíve got questions, come drop by and hang out with us. Thanks, and bye-bye.


  6. #6
    Joined
    Apr 2001
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    52

    Re: Coming Core 17 updates may double PPD

    I have a 7663 unit on the 7970 right now and I am getting 108000 ppd right now at 77% done.
    Im liking the new core. I see Activate got a nice point spike when he returned so I think he has
    his 7970 running again also.

  7. #7
    Joined
    Mar 2003
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    Re: Coming Core 17 updates may double PPD

    Quote Originally Posted by RIPPER View Post
    I have a 7663 unit on the 7970 right now and I am getting 108000 ppd right now at 77% done.
    Im liking the new core. I see Activate got a nice point spike when he returned so I think he has
    his 7970 running again also.
    yup, I'm getting 105k+ on my 7970 @1070. The downside is that I'm still getting Core 16 units from time to time, and the nature of the QRB means that if I pause a unit for an hour or two to game I lose a lot of points. Still, can't complain about the boost!


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    My Hardware, Past and Present

  8. #8
    Joined
    Mar 2003
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    Central NJ
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    Re: Coming Core 17 updates may double PPD

    New units out for Core 17: Project 8900. Looks like they're slightly more demanding on the GPU, drawing slightly more power for slightly less PPD 102k vs 107k for 7662


    Trust me, I do science
    My Hardware, Past and Present

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