Dear Ross,
Thank you so much.
It was so clear and I am glad I have your valuable experiences in this area.
Regards,
On Mon, Nov 17, 2014 at 11:05 PM, Ross Walker <ross.rosswalker.co.uk> wrote:
> Yes - it is known as marketing fluff!!!
>
> The stock heat sink is heavily tested and is the same approach used for
> the active Tesla cards. It is also known to work properly with multiple
> cards in a box. All the other heat sinks are just marketing people trying
> to get value add. Note, I very much doubt they test their cards to the
> types of temperatures and loads that running AMBER jobs 24/7 generate so
> I'd question their claims. The also almost certainly did not design these
> heat sinks for having 4 GPUs all next to each other in a single box. So
> feel free to buy the sexy looking heat sink cards but my advice would be
> to stick to the designs that are the closest to what the Tesla cards use.
>
> All the best
> Ross
>
>
> On 11/17/14, 1:17 AM, "M. Reza Ganjalikhany" <ganjalikhany.gmail.com>
> wrote:
>
> >According to their documents the new heatsink design enhanced the cooling
> >performance much better than the reference design.
> >
> >Apart from its weird cooling system, GTX780-DC2-3GD5 (which is similar to
> >the reference design GTX780-3GD3), is available for me to buy. But I am
> >not sure that, this is a reliable GPU for MD or it is better to seek for
> >the GTX780-3GD3.
> >
> >On Sun, Nov 16, 2014 at 11:52 PM, Ross Walker <ross.rosswalker.co.uk>
> >wrote:
> >
> >> Hi Reza,
> >>
> >> If you want to play it safe I would suggest the last one in that list -
> >> GTX780-3GD5 - this is the reference design with NVIDIA's stock heatsink
> >>so
> >> much better tested than the rest which all have weird custom heatsinks
> >> designed to look k00l.
> >>
> >> All the best
> >> Ross
> >>
> >>
> >>
> >> On 11/15/14, 11:49 PM, "M. Reza Ganjalikhany" <ganjalikhany.gmail.com>
> >> wrote:
> >>
> >> >Dear Ross,
> >> >
> >> >Thank you very much, Is the OC make it an unknown issue?
> >> >Since RMA is not a possible option in my country, I have to be very
> >> >cautious about the GPU specification before buying it.
> >> >
> >> >So I would be very grateful if you could recommend me the appropriate
> >> >GPU(s) from the following GTX780 list?
> >> >
> >> >Here are the different editions of GTX780 which I took from Asus
> >>website:
> >> >ROG POSEIDON-GTX780-P-3GD5
> >> ><http://www.asus.com/Graphics_Cards/ROG_POSEIDONGTX780P3GD5/>
> >> >GTX780-DC2OC-3GD5 <http://www.asus.com/Graphics_Cards/GTX780DC2OC3GD5/
> >
> >> >STRIX-GTX780-OC-6GD5
> >> ><http://www.asus.com/Graphics_Cards/STRIXGTX780OC6GD5/>
> >> >ROG POSEIDON-GTX780-3GD5
> >> ><http://www.asus.com/Graphics_Cards/ROG_POSEIDONGTX7803GD5/>
> >> >GTX780-DC2-3GD5 <http://www.asus.com/Graphics_Cards/GTX780DC23GD5/>
> >> >GTX780-3GD5 <http://www.asus.com/Graphics_Cards/GTX7803GD5/>
> >> >
> >> >http://www.asus.com/Graphics_Cards/
> >> >
> >> >Regards,
> >> >
> >> >On Sun, Nov 16, 2014 at 12:19 AM, Ross Walker <ross.rosswalker.co.uk>
> >> >wrote:
> >> >
> >> >> Hi Reza,
> >> >>
> >> >> I have not tried any STRIX branded GPUs - and must admit to not
> >>actually
> >> >> knowing what it stands for. My suggestion would be to suck it and
> >>see.
> >> >> (Asus tend to be a nice brand though).
> >> >>
> >> >> Once you receive the GPU run the AMBER validation test on it:
> >> >>
> https://dl.dropboxusercontent.com/u/708185/GPU_Validation_Test.tar.gz
> >> >>
> >> >> And if all answers do not come out the same - RMA it and got for a
> >> >>regular
> >> >> clock (or these days regular OC) card.
> >> >>
> >> >> All the best
> >> >> Ross
> >> >>
> >> >>
> >> >>
> >> >> On 11/15/14, 2:41 AM, "M. Reza Ganjalikhany" <ganjalikhany.gmail.com
> >
> >> >> wrote:
> >> >>
> >> >> >How about STRIX OC edition of GTX780?
> >> >> >Is STRIX edition suitable for GPU accelerated MD?
> >> >> >
> >> >> >such as:
> >> >> >ASUS STRIX-GTX780-OC-6GD5
> >> >> >GeForce GTX 780 - 6GB - STRIX
> >> >> >
> >> >> >On Wed, Oct 29, 2014 at 12:32 AM, Ross Walker
> >><ross.rosswalker.co.uk>
> >> >> >wrote:
> >> >> >
> >> >> >> Agreed - although to caveat that - the GTX780 silicon is fairly
> >> >>mature
> >> >> >> these days and from the various hardware I have been testing the
> >> >> >> superclocked chips actually seem to be okay right now. You should
> >> >>still
> >> >> >> test it to be sure but given it is fairly mature silicon the
> >>yields
> >> >>(and
> >> >> >> thus achievable clock speeds) tend to drift upwards with time.
> >>E.g. I
> >> >> >> certainly would not entertain an overclocked GTX980 right now. But
> >> >>in a
> >> >> >> year - maybe...
> >> >> >>
> >> >> >> As for brand both Asus and EVGA tend to be pretty good brands so
> >> >>that's
> >> >> >> not a worry.
> >> >> >>
> >> >> >> All the best
> >> >> >> Ross
> >> >> >>
> >> >> >>
> >> >> >> On 10/28/14, 12:59 PM, "Scott Le Grand" <varelse2005.gmail.com>
> >> >>wrote:
> >> >> >>
> >> >> >> >Superclocked is a "super" way to get inaccurate results.
> >>Avoid...
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> >On Tue, Oct 28, 2014 at 12:50 PM, M. Reza Ganjalikhany <
> >> >> >> >ganjalikhany.gmail.com> wrote:
> >> >> >> >
> >> >> >> >> Thank you very much fro your help.
> >> >> >> >>
> >> >> >> >> And the last question:
> >> >> >> >> Is there any difference between EVGA GTX 780
> >> >> >> >> <
> >> >> >> >>
> >> >> >> >>
> >> >> >>
> >> >> >>
> >> >>
> >> >>
> >>
> >>
> http://www.amazon.com/gp/product/B00CTY84KI/ref=as_li_qf_sp_asin_tl?ie=UT
> >> >> >>
> >> >>
> >>
> >>>>>>>>F8&camp=211189&creative=373489&creativeASIN=B00CTY84KI&link_code=as
> >>>>>>>>3&
> >> >>>>>>ta
> >> >> >>>>g=
> >> >> >> >>freelydownloa-20
> >> >> >> >> >
> >> >> >> >> and ASUS GTX 780 (GTX780-3GD5)
> >> >> >> >> <http://www.asus.com/Graphics_Cards/GTX7803GD5/>?
> >> >> >> >> It seems that EVGA has superclocked option while ASUS doesn't
> >> >>have.
> >> >> >> >> Does superclocked option play an important role in GPU
> >> >>performance?
> >> >> >> >>
> >> >> >> >> On Tue, Oct 28, 2014 at 6:23 PM, Ross Walker
> >> >><ross.rosswalker.co.uk>
> >> >> >> >> wrote:
> >> >> >> >>
> >> >> >> >> > 780TI is about the same speed as a Titan-Black but (in about
> >> >>70% of
> >> >> >> >> cases)
> >> >> >> >> > gives incorrect numerical answers.
> >> >> >> >> >
> >> >> >> >> > 780 on the other hand gives the correct numerical answers.
> >> >> >> >> >
> >> >> >> >> > So, my advice is to go with 780 or Titan-Black and avoid
> >>780TI.
> >> >> >> >> >
> >> >> >> >> > All the best
> >> >> >> >> > Ross
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > On 10/28/14, 2:41 AM, "M. Reza Ganjalikhany"
> >> >> >><ganjalikhany.gmail.com>
> >> >> >> >> > wrote:
> >> >> >> >> >
> >> >> >> >> > >what is the difference between GTX 780 and GTX780Ti in
> >> >> >>performance?
> >> >> >> >> > >
> >> >> >> >> > >On Tue, Oct 28, 2014 at 12:49 AM, Scott Le Grand
> >> >> >> >><varelse2005.gmail.com
> >> >> >> >> >
> >> >> >> >> > >wrote:
> >> >> >> >> > >
> >> >> >> >> > >> The successor is the Asus X99-E WS plus Core i7-5930K CPU.
> >> >> >> >> > >>
> >> >> >> >> > >>
> >> >> >> >> > >>
> >> >> >> >> > >>
> >> >> >> >> > >>
> >> >> >> >> > >> On Mon, Oct 27, 2014 at 1:39 PM, M. Reza Ganjalikhany <
> >> >> >> >> > >> ganjalikhany.gmail.com> wrote:
> >> >> >> >> > >>
> >> >> >> >> > >> > Dear Amber Developers,
> >> >> >> >> > >> >
> >> >> >> >> > >> > I decided to assemble my own PC with GPU enabled
> >>according
> >> >>to
> >> >> >> >>your
> >> >> >> >> > >> website
> >> >> >> >> > >> > recommendation.
> >> >> >> >> > >> > Due to some hardware limitations, the recommended
> >> >>Motherboard
> >> >> >> >> (P9X79-E
> >> >> >> >> > >> WS)
> >> >> >> >> > >> > is not available but other P9X79 families are available
> >> >>such
> >> >> >>as
> >> >> >> >> P9X79
> >> >> >> >> > >>WS,
> >> >> >> >> > >> > P9X79 DELUX and P9X79. Is this make the GPU simulation
> >>so
> >> >> >> >>different
> >> >> >> >> > >>if I
> >> >> >> >> > >> > use P9X79 WS instead of E WS?
> >> >> >> >> > >> > What is the main point which should be noticed?
> >> >> >> >> > >> >
> >> >> >> >> > >> > Regards,
> >> >> >> >> > >> > M.Reza
> >> >> >> >> > >> > _______________________________________________
> >> >> >> >> > >> > AMBER mailing list
> >> >> >> >> > >> > AMBER.ambermd.org
> >> >> >> >> > >> > http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >> >> > >> >
> >> >> >> >> > >> _______________________________________________
> >> >> >> >> > >> AMBER mailing list
> >> >> >> >> > >> AMBER.ambermd.org
> >> >> >> >> > >> http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >> >> > >>
> >> >> >> >> > >_______________________________________________
> >> >> >> >> > >AMBER mailing list
> >> >> >> >> > >AMBER.ambermd.org
> >> >> >> >> > >http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > _______________________________________________
> >> >> >> >> > AMBER mailing list
> >> >> >> >> > AMBER.ambermd.org
> >> >> >> >> > http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >> >> >
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> >> >> >> >> AMBER mailing list
> >> >> >> >> AMBER.ambermd.org
> >> >> >> >> http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >> >>
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> >> >> >> >http://lists.ambermd.org/mailman/listinfo/amber
> >> >> >>
> >> >> >>
> >> >> >>
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> >> >> >>
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> >> >>
> >> >>
> >> >>
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> >>
> >>
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Received on Mon Nov 17 2014 - 12:30:04 PST
