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Performance of TBB on Xeon Phi
Hi,I am experiencing a performance issue with TBB on Xeon Phi. On a server machine with two X5680, TBB runs faster than OpenMP from a group of benchmarks I have. This is also true with one of my other...
View ArticleAsynchronous Offload - C++ Code Examples
This document provides information about asynchronous data transfer, asynchronous computation and memory management without data transfer. This document includes code examples of common usage...
View ArticleAsynchronous Offload - Fortran Code Examples
This document provides information about asynchronous data transfer, asynchronous computation and memory management without data transfer. This document includes code examples of common usage...
View ArticleMeet an error when using LAPACKE_dpptrf
I use LAPACKE_dpptrf in my program, the code is:int info = 0; #pragma offload target(mic) out(icfa_1:length(icfa_dim * (icfa_dim + 1) / 2) alloc_if(0) free_if(0)) { info =...
View ArticleIntel® Xeon Phi™ Coprocessor Developer's Quick Start Guide
Download Entire ArticlesLinux*: Intel® MPSS 2.1 Users: Download Intel® Xeon Phi™ Coprocessor Developer's Quick Start Guide [PDF 763KB]Intel® MPSS 3.x Users: Download Intel® Xeon Phi™ Coprocessor...
View ArticleOffload error: signal 11 (SIGSEGV) for simple code
This is my first post on the forum, so please be gentle. I've been experimenting with a Phi card for some parallel CFD solvers. Preliminary results are fine - however, I've encountered some interesting...
View ArticleWhich OFED for RHEL 7 + True Scale?
I thought we needed the Intel OFED (OFED+) for True Scale, but recent documentation indicates otherwise. Could someone please help me to navigate this:1) In the MPSS 3.4 User's Guide (...
View ArticleHelp with vectorization
Hello everyone, I have a subroutine that definitely has the computational load that could benefit from a MIC. The subroutine is being used in a molecular simulation. The idea behind the subroutine is...
View ArticleMPSS 3.4 released last week
Wanted to bring your attention to the fact that MPSS 3.4 was released last weekhttps://software.intel.com/en-us/articles/intel-manycore-platform-softwa...A blog that describes its key features can be...
View ArticlePreviewing tickless support for Linux* on the Intel® Xeon Phi™ Coprocessor
Tickless kernels are of special importance to applications in High Performance Computing (HPC) and Financial Services. More recent Linux* kernels support a mode called “full NOHZ” where the periodic...
View ArticleTickless
For any of who may have asked Intel for tickless support on Xeon Phi coprocessors, there is a preview tarball/examples now available for you to try - Previewing tickless support for Linux* on the...
View ArticleWebinar: Optimizing LAMMPS* for Intel Xeon Phi coprocessors - Oct 29
A new webinar has been scheduled. Details below: Optimizing LAMMPS* for Intel® Xeon Phi™ CoprocessorsWednesday, October 29, 2014 11:00 AM - 12:00 PM PDTLAMMPS* is a large scale atomic/molecular...
View ArticleIntel and Third Party Tools and Libraries available with support for Intel®...
A number of tool vendors have announced they will be providing versions of their software tailored to supporting Intel(R) Many Integrated Core Architecture, starting with the Intel(R) Xeon Phi(tm)...
View ArticleDAPL ERR
Hii`m execute WRF in symetric mode in one coprocessor succesfully but obtain this error on two copprocessors. can help me?: [21] MPI startup(): shm and dapl data transfer modes [17] MPI startup(): DAPL...
View ArticleIntel Phi on Ubunt 14.04
Hi!I am the admin of a GPU cluster, and the OS of choice is 64-bit Ubuntu Server 14.04. It is rather strange that Intel provides Windows binaries sooner than they would port the RedHat implementation...
View ArticleVTune Amplifier 2015 with native application
Hi all,I'm trying to use the VTune Amplifier XE 2015 with a native code on KNC. Can you tell me if I can find a guide to the GUI with particular concern to the execution of native codes? I created a...
View Articlesep_mic_server
Hi, What is sep_mic_server? Is it a service, a process, or something else? What does it do, and how do I as a user ensure that it's properly deployed before firing up VTune? We are having trouble...
View Article2 new Life Sciences libraries available
2 new libraries were recently released on Github which may be interesting for Life Sciences codes:Libxphi has been released on github. Libxphi adds offloading capabilities for BLAS3 functions to...
View ArticlePhi 7120P initialization issues and invalid revision ff
I am working to get an Intel 7120P up and running in an HP Z800 workstation with a 1110 W power supply. The board is plugged into a PCIe-x16 gen 2 slot and is connected to one of the PS' 6-pin...
View Articlehelp with hiding memory latency in linked cell algorithm
Hey guys,I am wondering if you could possibly give me any suggestions on how to hide the memory latency I am encountering in my xeon algorithm (line 120). The code loops over all cells, and for each...
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