Date: Tue, 21 Jan 2014 16:26:33 -0800 From: Jeremi Gosney <epixoip@...dshell.nl> To: john-dev@...ts.openwall.com Subject: Re: Re: CUDA formats On 1/21/2014 10:39 AM, magnum wrote: > On 2014-01-21 18:36, Muhammad Junaid Muzammil wrote: >> Regarding the Nvidia vs AMD comparison, 2 of the world's most powerful >> supercomputers consists of Nvidia devices where as there isn't any AMD >> machine in it (http://www.top500.org/lists/2013/11/). With Nvidia >> investing >> a lot in academia with its CUDA programs, atleast I don't see an end >> to it. >> But who knows, may be my predictions prove wrong. > > @epixoip mentioned on hc forums that Seoul National University have a > cluster on some top 500 list, consisting of 224 x AMD 7970 devices > running SnuCL. I can't find it in the list you link to, so maybe it > was some other top 500. Several AMD-powered supercomputers have made the Top500 and Green500 list, Chundoong is just one of them. But a new list comes out every June/November, and the supercomputing world is very competitive, so if you are in the bottom half of the list and do not improve your cluster in the next 5-7 months, you may not make the next list. So, while Chundoong debuted at #277, it was bumped off the list last November. But there is also SANAM, which is currently #59 on the Top500. But this does not matter. The supercomputers on the Top500 have nothing to do with password cracking. Sure, Nvidia is great for scientific applications, or really anywhere where double precision matters. But the plain and simple truth is that Nvidia hardware sucks for password cracking. It does not make much sense to invest time in developing password cracking software specifically for Nvidia when the performance just isn't there. - epixoip 1. http://aces.snu.ac.kr/Center_for_Manycore_Programming/Chundoong.html 2. http://www.top500.org/system/177996
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