Forum topic

Adding border bands, padding instead of rescaling while transcoding

Doing video transcoding with different aspect ratio 

Input :

Authored by shavkat n. Last updated on 01/16/2017 - 23:04
Forum topic

Knights Landing(KNL) Thread Affinity and Managing Hyper Threading


Authored by Rakesh M. Last updated on 01/16/2017 - 01:16
Forum topic

VTune Loop duplicates

Hello all.  Can anyone explain why my vtune profiling run shows the same loop twice?

Authored by Paulius V. Last updated on 01/15/2017 - 17:06
Forum topic

mitigating permute costs in AVX 256?

Hello, I'm investigating conversion of a number of compute kernels from AVX 128 to AVX 256 and would appreciate any guidance which might be available on getting a small number of operations on port

Authored by Todd West Last updated on 01/15/2017 - 09:21
Forum topic

_mm_prefetch usage



Authored by Ioan H. Last updated on 01/15/2017 - 06:01
Forum topic

Performance of Half Precision Floats on KNL


I want to use half precision floats on Knights Landing. However, I find the half-floats really have very poor performance. Does anyone know the reason?

Authored by Zhen J. Last updated on 01/13/2017 - 13:23
Forum topic

Is xend treated as a full memory barrier?

I've started attempting to learn RTM extensions. The most common examples I can find online are using them to implement a mutex or concurrent lock. Often they are similar to:

Authored by william laeder Last updated on 01/13/2017 - 08:05
Forum topic

Difference Performance Datatype dependency

Hi all and thanks to help,

I write in Fortran a stupid program that implements a dot product between two arrays , one in double precision and the other changing the datatype.

Authored by eric p. Last updated on 01/13/2017 - 02:21
Forum topic

Catasprophic compiler failure

Hello. I've encountered an a compiler failure when trying to compile a file with -02 and above. This happens on both 2016 and 2017 versions on Linux.

Authored by Paulius V. Last updated on 01/12/2017 - 19:34

Respect Programming Models – Manage Intel® Xeon Phi™ in your Clusters for Enhanced User Experience

High performance computing (HPC) cluster programming model number 1 has been MPI for the past 10 or more years.

Authored by admin Last updated on 01/12/2017 - 16:13
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