jp (asdasdf.delete@this.gmail.com) on August 13, 2012 2:02 am wrote:
> EBFE (x.delete@this.y.com) on August 12, 2012 8:27 pm wrote:
> > jp
> (asdfasdf.delete@this.gmail.com) on August 10, 2012 1:23 am wrote:
> > >
> Eric
> > (eric.kjellen.delete@this.gmail.com) on August 9, 2012 5:12 pm
> wrote:
> > >
> > >
> > > jp (asdfasdf.delete@this.gmail.com) on
> August 9, 2012 1:58 pm
> > wrote:
> > > > >
> > > EBFE
>
> > > > (x.delete@this.y.com) on July 25,
> > 2012 3:25 am
> wrote:
> > > > >
> > > > GCN
> > > > >
> >
> > >
> >
> > > > >
> > > > > Yes I
> > >
> > > didn't see
> > > AMD:s
> > GCN arch in the charts?
> > >
> > >
> > > > >
> > > > GCN is the
> > first
> >
> > single chip ever to
> > > > > push 1 TFLOP DP. And the new
>
> >
> > > > professional
> > > edition has
> > > >
> > ECC.
> > > >
> > >
> > > > >
> > > >
>
> > >
> >
> http://www.hpcwire.com/hpcwire/2012-08-08/amd_unveils_teraflop_gpu_with_
> >
> >
> > >
> > > >
> > > >
> ecc_support.html?featured=top
> > > >
> > >
> > > That's
> very impressive,
> > > particularly with TDP
> > > > at 274W.
>
> > Though we should probably expect Tesla K20
> > > to arrive soon and
> deliver
> >
> > > > higher performance in a comparable power
> >
> > envelope. I wonder
> > why AMD hasn't
> > > > released or
> announced an HPC oriented
> > > compute
> > card based on the same GPU.
> Could
> > > > the reason be that AMD
> > software
> > > tools
> are still immature in comparison with
> > > > Nvidia's
> > and
> Intel's
> > > offerings?
> > >
> > >
> > > Well I've been
> working with
> > their tools using OpenCL on AMD
> > > cards and it is
> currently far more
> > immature when compared to working with CUDA
> >
> > on Nvidia cards when it comes
> > to driver reliability, developer
> environment,
> > > documentation, and feature
> > set.
> >
> > Can
> you elaborate it? esp. 'feature set'
>
> On feature set:
>
> - Direct access to
> texture features for fast interpolations
> - Warp voting functions
> - certain
> floating point atomic instructions*
> - Register shuffle instructions (direct
> exchange of data via registers instead of via smem )
> - GPUDirect, DMA between
> GPUs
>
> I'm sure I can lengthen this list if I spend some more time on it.
>
> *
> ex atomicAdd(float* ), might have been introduced recently
>
Thanks. But what is this?
> - Direct access to texture features for fast interpolations