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14-May-2013
2:24 AM PDT
Measuring performance in HPC
By Florian R.0
This is the first article in a series of articles about High Performance Computing with the Intel Xeon Phi. The Intel Xeon Phi is the first commercial product of Intel to incorporate the Many Integrated Core architecture. In this article I will present the basics of the Xeon Phi architecture, the . . .
30-Apr-2013
7:46 AM PDT
Using Intel® MPI Library and Intel® Xeon Phi™ coprocessor tips
By Dmitry Sivkov (...0
1. Check prerequisites Each host and each Intel® Xeon Phi™ coprocessor should have a unique IP address across a cluster; ssh access between host(s) and Intel® Xeon Phi™ coprocessor(s) should be password-less; Update the Intel® Manycore Platform Software Stack (Intel® MPSS) to current version; Make . . .

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Using HLE and RTM with older compilers with tsx-tools
By Andreas Kleen (...Posted May 20th 20130
To use HLE/RTM to improve lock scalability the lock library needs to be enabled. If you already have an enabled lock library, like glibc ...
Intel® Xeon Phi™ coprocessor Power Management Part 1: P-States, Reducing power consumption without impacting performance
By Taylor Kidd (Intel)Posted May 15th 20130
Right up front, I am going to tell you that P-states are irrelevant, meaning they will not impact the performance of your HPC application. Nevertheless, they are important to your application in a more roundabout way. Since most of you belong to a group of untrusting and always questioning ...
Speeding Up Your Cloud Environment On Intel® Architecture
By Thai Le (Intel)Posted May 15th 20130
In my previous blog, I discussed “Ways to Speeding up Your Cloud Environment…”, I will continue with this thread by introducing the topic of Software Defined Networks (SDN ...
Intel(r) Transactional Synchronization Extensions (Intel(r) TSX) profiling with Linux perf
By Andreas Kleen (...Posted May 3rd 20135
Intel TSX exposes a speculative execution mode to the programmer to improve locking performance.. Tuning speculation requires heavily on a PMU profiler. This document describes TSX profiling using the Linux  perf) (or “ ...

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emanuele.lombardiTue, May 21st 2013 - 0:43
mpirun gives error when run whithin a cpuset1
I've have errors using mpirun whitin any cpuset (but the /root) The following mpirun is executed from a login shell which belongs to a cpuset manually created under the /root one:mpirun -np 8 wam /opt/intel/impi/4.1.0.024/intel64/bin/mpirun: line 390: 15578 Floating point exceptionmpiexec.hydra ...
Ilya Z.Sun, May 12th 2013 - 11:00
Detecting CPU topology2
Hi,I not sure is this is right place to ask questions like this, but i'll try.I'm writing a code which enumerate cpu topology. I'm not sure do I fully understood Intel 64 Architecture Processor Topology Enumeration manual.The x2APIC ID is divide into three bitfields(Package, core, logical procesor ...
Marco S.Thu, May 9th 2013 - 12:50
Need single thread dll in fortran5
Hi,sorry i am a mathematician who can more or less program, so, please, forgive my low level question. I am building a 32bit dll with intel fortran 2013 from visual studio 2010 on windows.I need to call it from R ( a statistical program). which requires very simple single thread dlls (obviously no ...
memon s.Fri, April 5th 2013 - 12:36
Work at Home Training with Guaranteed Job Placement 1
Work at Home Training with Guaranteed Job Placement (11550) Complete Our 3 day work at home training course and be placed in a work at home job, with a real company that will earn you over $50,000 per year Guaranteed! Earn up to $100,000 Per year from home as a certified home worker ( ...

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