[petsc-dev] http://www.hpcwire.com/hpcwire/2012-11-12/intel_brings_manycore_x86_to_mar ket_with_knights_corner.html

Satish Balay balay at mcs.anl.gov
Mon Nov 12 21:50:57 CST 2012


On Mon, 12 Nov 2012, Satish Balay wrote:

> On Mon, 12 Nov 2012, Karl Rupp wrote:
> 
> > Thanks for the link.
> > 
> > In terms of raw numbers, $2,649 for 320 GB/sec and 8 GB of memory is quite a
> > lot compared to the $500 of a Radeon HD 7970 GHz Edition at 288 GB/sec and 3
> > GB memory. My hope is that Xeon Phi can do better than GPUs in kernels
> > requiring frequent global synchronizations, e.g. ILU-substitutions.
> 
> for comaprision the tesla 2090 we have costed over 3k each - and provides 177 GB/sec [with 6GB ram]
> 
> http://www.nvidia.com/object/tesla-servers.html

Missed the reference to todays release of Tesla K20X and K20 from
nvidia in that [intel] article.

http://www.hpcwire.com/hpcwire/2012-11-12/nvidia_unveils_1.3_teraflop_gpu_for_supercomputing.html

satish



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