[RC5] stream vs cuda rates

Paul Goyette paul at whooppee.com
Sat Dec 12 20:56:26 EST 2009


On Sat, 12 Dec 2009, bert wrote:

> Lars Sahlmann wrote:
>> Hi Bert,
>>
>> it is true. ATI streamcabable cards are real monsters doing rc5 cracking.
>> Nvidia cards suffered from a compiler error reducing their speed by 50%. This has been fixed with cuda >=2.2.
>>
>> I couldn't find an up-to-date benchmark list, but can provide you with some data.
>>
>> ATI 5870  ~1250 Mkeys/s @850MHz 1600 streamcores ~ 25K WUs/day
>> ATI 4850  ~514 Mkeys/s @665MHz 800 shaderuntis ~ 10K WUs/day
>> NV  GT285 ~310 Mkeys/s @1436MHz (shaders) 240 cores ~ 6K WUs/day
>>
>> you won't gain any speed increase if ram is faster.
>>
>> you can say roughly 100 Mkeys/s result in 2000 statunits a day.
>
> Just looking back on this the ATI 5970 that's coming out has 3200
> streamcores,so it's possible it's double what the 5870 can do meaning
> maybe 50K WUs a day lol?

So where can I get some drivers for these beasts that will run on my 
NetBSD machines?  :)


-------------------------------------------------------------------------
|   Paul Goyette   | PGP DSS Key fingerprint: |  E-mail addresses:      |
| Customer Service | FA29 0E3B 35AF E8AE 6651 |  paul at whooppee.com   |
| Network Engineer | 0786 F758 55DE 53BA 7731 | pgoyette at juniper.net |
| Kernel Developer |                          | pgoyette at netbsd.org  |
-------------------------------------------------------------------------


More information about the rc5 mailing list