[RC5] difference between cuda and stream

bert bertodell at suddenlink.net
Tue Jan 8 14:58:25 EST 2013


Bruce thank you for a real post on my question and I thank you for it.

Bert
On 1/8/2013 2:47 PM, Bruce Slade wrote:
> Bert,
> Having both ATI/AMD and Nvidia cards, there is no comparison between 
> the two for crunching RC5 as the ATI/AMD cards are much much faster.  
> The fastest nvidia I have is a 560ti, and the performance of that card 
> is matched by an AMD 6570 which costs much less and consumes much less 
> power and puts out basically no heat, where the 560ti sucks power and 
> puts out much heat.  An ATI/AMD 6770, using the stream519 client on 
> winXP32 will crunch a 32stats credit workunit/block/whatever in 128 
> seconds,  which works out to 21,600 points a day, which I think is 
> what you are asking.  While I don't have a GTX 690, I would seriously 
> doubt that it would match that in points per day on RC5, and again, 
> even if it did the heat generated and power used would be in favor of 
> the AMD card.
>
> An other item for you to keep in mind is when you start using the AMD 
> 7770 cards or higher, you will have to be using the rc5 openCL client 
> as changes in the chip design put the stream client out of business 
> for that series.  And also you need to make sure that the motherboard 
> PCI version will support the upper end AMD PCI card software requirements.
>
> On the other hand if you also crunch folding at home, the opposite is 
> true as nvidia totally outperforms the amd cards.  So buy the card for 
> the predominant distributed computing project you intend to use it 
> mainly for.
>
>
> On 1/7/2013 5:20 PM, bert wrote:
>> Would you know how much per day a 7970 does?
>>
>> Bert
>> On 1/7/2013 8:02 PM, Joseph Kaye wrote:
>>> On 1/7/2013 6:02 PM, bert wrote:
>>>> Since I don't own an AMD card and have been strictly NVIDIA brand,I've
>>>> been curious as to which is faster cuda based cards or stream based
>>>> cards. I have been looking at the GTX 690 and the ATI 7970(is this the
>>>> latest?)  I'm thinking that a GTX 690 will do about 64k blocks a day,but
>>>> having never had a stream card I can't imagine what one would do in a
>>>> day. Thanks.
>>>>
>>>>
>>>> Bert
>>>> _______________________________________________
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>>>> rc5 at lists.distributed.net
>>>> http://lists.distributed.net/mailman/listinfo/rc5
>>>>
>>> Looking at the Client Speeds Database
>>> (http://cgi.distributed.net/speed/query.php?cputype=all&arch=4&contest=rc572&multi=3)
>>> I'd say the DAMMIT (ATI/AMD) cards are much faster.  An AMD Radeon HD
>>> 7970  is doing 3,600 Mkeys/sec.
>>>
>>>
>>>
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>
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