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Gpu App?

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Profile Krzysztof Piszczek - wspieram Polski projekt BOINC
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Message 1631 - Posted: 12 Oct 2016, 0:30:29 UTC - in response to Message 1630.  
Last modified: 12 Oct 2016, 0:35:05 UTC

We already have added Odroid XU4 to our list as we have one thank to our Volunteer from Germany :)
Really, creating applicationa for all types of ARM computers will be not be possible without support from JagDoc :)
Krzysztof 'krzyszp' Piszczek

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Message 1633 - Posted: 12 Oct 2016, 10:29:44 UTC - in response to Message 1631.  

We already have added Odroid XU4 to our list as we have one thank to our Volunteer from Germany :)
Really, creating applicationa for all types of ARM computers will be not be possible without support from JagDoc :)

I know, I already downloaded this one. Good work!.
But Odroid XU4 has also GPU with OpenCL support. It would be good to give it something to crunch too :)
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Message 1634 - Posted: 12 Oct 2016, 10:50:27 UTC - in response to Message 1633.  


But Odroid XU4 has also GPU with OpenCL support. It would be good to give it something to crunch too :)

And I suspect, that we give them something to do ;)
Krzysztof 'krzyszp' Piszczek

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Message 1636 - Posted: 12 Oct 2016, 14:21:50 UTC - in response to Message 1634.  


But Odroid XU4 has also GPU with OpenCL support. It would be good to give it something to crunch too :)

And I suspect, that we give them something to do ;)

Good! So I am waiting :)
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Message 1637 - Posted: 12 Oct 2016, 14:48:46 UTC - in response to Message 1628.  

We are preparing GPU application for OpenCL 1.1 or later for AMD Radeon HD 7000 (GCN 1.0) and later graphics cards.

Nvidia cards also support OpenCL 1.1, so your code may also work there. Did you try this already, or at least have plans to do so?


Will the gpu app need double precision?

If so, then the mainstream gaming Nvidias won't be that ideal.

http://arrayfire.com/explaining-fp64-performance-on-gpus/
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Message 1638 - Posted: 12 Oct 2016, 15:03:11 UTC - in response to Message 1637.  

Yes, Double Precision is required.
Krzysztof 'krzyszp' Piszczek

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Message 1639 - Posted: 12 Oct 2016, 16:23:30 UTC - in response to Message 1631.  

We already have added Odroid XU4 to our list as we have one thank to our Volunteer from Germany :)
Really, creating applicationa for all types of ARM computers will be not be possible without support from JagDoc :)

I am glad to support your great work a little bit in this way :)
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cyrusNGC_224@P3D

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Message 1643 - Posted: 13 Oct 2016, 5:51:41 UTC - in response to Message 1638.  

Yes, Double Precision is required.
This ssems to be a job for AMD Tahiti :)
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Message 1644 - Posted: 13 Oct 2016, 13:02:47 UTC - in response to Message 1643.  

Sice yesterday i'm on Ebay again ;)
I think I'll reactivate one my old boxes hope my motherboard will manage an 7970
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Message 1647 - Posted: 13 Oct 2016, 15:33:49 UTC

When wil these wu's be available? Server status page says 0 ready to send.
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alex

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Message 1648 - Posted: 13 Oct 2016, 16:04:28 UTC - in response to Message 1644.  
Last modified: 13 Oct 2016, 16:11:31 UTC

Sice yesterday i'm on Ebay again ;)
I think I'll reactivate one my old boxes hope my motherboard will manage an 7970

Do not forget your power-supply ...
HD7970 are very hungry ...

edit:
BTW, I've learned that the AMD APU's are also DP capable, they crunch MilkyWay wu's.
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cyrusNGC_224@P3D

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Message 1649 - Posted: 13 Oct 2016, 17:28:59 UTC

All AMD GPU's since GCN are capable of DP. Not much, but still. Strongest DP chips are Tahiti an Hawaii (only professional full).
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Message 1651 - Posted: 14 Oct 2016, 8:59:59 UTC - in response to Message 1647.  

When wil these wu's be available?


+1

P.S.
I'm thinking to buy an Rx470.....
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Message 1654 - Posted: 14 Oct 2016, 21:32:15 UTC

Hey Krzysztof,
i have one HD7950, one HD6950 and one DP slide role ready to start.

The price for the RX470 should go down in the next weeks, so maybe i will replace one of my dvices then.
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Message 1656 - Posted: 16 Oct 2016, 14:59:33 UTC - in response to Message 1637.  
Last modified: 16 Oct 2016, 14:59:51 UTC

We are preparing GPU application for OpenCL 1.1 or later for AMD Radeon HD 7000 (GCN 1.0) and later graphics cards.

Nvidia cards also support OpenCL 1.1, so your code may also work there. Did you try this already, or at least have plans to do so?


Will the gpu app need double precision?

If so, then the mainstream gaming Nvidias won't be that ideal.

http://arrayfire.com/explaining-fp64-performance-on-gpus/


Yeah it will suck for all NV cards except Titan OG/Black. It'd be best to use any NV card elsewhere. But the 1st version will be AMD only.
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Message 1657 - Posted: 16 Oct 2016, 18:59:46 UTC - in response to Message 1656.  

It's because AMD offer better support for small developers, and is easier to start with...
Also, OpenCL is in fact industry standard and AMD have better support for it.
Krzysztof 'krzyszp' Piszczek

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Message 1659 - Posted: 17 Oct 2016, 18:02:13 UTC - in response to Message 1654.  

Hey Krzysztof,
i have one HD7950, one HD6950 and one DP slide role ready to start.

The price for the RX470 should go down in the next weeks, so maybe i will replace one of my dvices then.


with the 7950 you have 717 GFlops DP Performance
with the 6950 you have 563

but with the RX470 you get only 365 GFlops DP Performance

AMD has also reduced the DP Performance by the mainstream Cards.
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Message 1661 - Posted: 17 Oct 2016, 18:49:04 UTC - in response to Message 1659.  

I will try to publish tomorrow some comparison data for AMD 7850 and RX 480 cards to CPU in computing...
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Message 1662 - Posted: 17 Oct 2016, 19:52:32 UTC

Thank you, krzyszp for any informations for Dear volunteers. However, it is small likelihood that any a simple testing application will be available tomorrow. I need more time to test main routines on GPU and same engine's mechanism before publishing any a testing application. Ofcourse, I am doing anything to finish quickly as it is possible.
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Message 1663 - Posted: 18 Oct 2016, 1:07:09 UTC

I have enabled a 280x (7970) to grab any GPU work once it becomes available.
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Message boards : Number crunching : Gpu App?