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Date: Wed, 22 Jan 2014 23:07:10 +0500
From: Muhammad Junaid Muzammil <mjunaidmuzammil@...il.com>
To: "john-dev@...ts.openwall.com" <john-dev@...ts.openwall.com>
Subject: Re: CUDA formats

I think it will be interesting to find out what Nvidia architectural issues
create that limitation. I think it can be a good research.

Junaid

On Wednesday, January 22, 2014, Jeremi Gosney <epixoip@...dshell.nl> wrote:

> 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[1] 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[2], 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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