1st generation Intel® Xeon Phi™ coprocessor to Knights Landing upgrade program
Hi,During different presentations of the Knights Landing, some guys mentioned that there is an upgrade program from the first generation of the Intel Xeon Phi (codenamed Knights Corner) to the 2nd...
View ArticleAsynchronous computation on XeonPhi using offload
Hi,I would like to run many offloaded regions simultaneously, so their execution overlaps. Is it possible? I know something about asynchronous offload controlled by signal, but I can not execute next...
View ArticlehStreams HTSR_RESULT_REMOTE_ERROR
Hey Guys, I am trying hStreams these days and encounter the following issue. When running the tiled LU (from hStreams ref_code), the code reports "hStreams_EventWait1: returns:...
View ArticleStrange behavior of Xeon Phi 31s1p
Hi!I am experiencing problems with a Xeon Phi 31s1p.The motherboard is Asus P9X79WS (BIOS version 4802 - the most recent), the procesor is Intel I7 3820 @3.6GHz, the video card is Sapphire Radeon HD...
View ArticleLIBXSMM Prefetching on Xeon Phi
Hi,I am attempting to use LIBXSMM on a Xeon Phi and it fails to compile when I use make install OFFLOAD=1 PREFETCH=1 MNK="2,4,6,8,10,12,14,16,18,20,23"I am getting the error...
View ArticleInstall Manual Change
I have had several issue rebuilding the MPSS on Centos 7/RHEL and later here is a proposed change to the manual to fix it.Problem Symptoms: Are that in sectionthe command: yum install kernel-headers...
View Articlempss restart fails before booting completes
After recently upgrading to mpss 3.6, I've encountered the following behavior and hope someone has some insights or can help debug. When either starting or restarting the mpss service, the procedure...
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IDF'15 Webcast: Data Analytics and Machine Learning
This Technology Insight will demonstrate how to optimize data analytics and machine learning workloads for Intel® Architecture based data center platforms.Speaker: Pradeep Dubey Intel Fellow, Intel...
View ArticleInfini Band Network configuration On Xeon Phi
I need your help in setting up Xeon Phi coprocessor in cluster where I’m facing some issues in doing that. Below I’ve mentioned some of the points where having issues, I’m setting up Rocks cluster...
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Understanding bad performances for an offloaded hybrid MPI-OpenMP application
Hello,I have ported my application on nodes with two Intel's Xeon Phi cards. I notice that performances are very disappointing. As it is a MPI application, I have to give some more informations about...
View ArticleHow to profile the communication between Host and Mic during Offload Mode
Recently I need to know exactly the data communication(exactly how much and when) between the Host and MIC while running an offload application.Unlike Nvidia, Intel doesn't provide a tool like NV...
View Articlecatastrophic error: *MIC* cannot open source file "gsl/gsl_rng.h"
Hello everyone,I'm trying to offload the openmp parts of a code to be offloaded on Phi. I added#pragma offload target (mic)just before#pragma omp paralleland had to add__attribute__((target(mic)))to a...
View ArticleIntel® Xeon Phi™ X200 Family Processor Performance Monitoring Reference Manual
The Intel® Xeon Phi™ X200 Family processor (code name Knights Landing) provides performance monitoring facilities that are a unique combination of Intel® Atom™ processor-like core performance...
View Articlehost file
Dear All,can any one send me the sample hosts file for mic in the cluster environment. With infini band IP's.
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unable to build MPSS RPM in CENTOS 7 VM
I am unable to build MPSS 3.6 either from source nor from the already built RPM with my kerbel version which is supposed to be compatible for mpss 3.6 [root@localhost src]# uname -a Linux...
View Articlebuffer write failed
Hello, I am trying to offload a whole program on mic by doing the following: int mymain(int argc,char *argv[]){...} int main(int argc,char *argv[]){#pragma offload target(mic) in(argv:length(argc))...
View ArticleCannot start MPI job from host system
Hi All,I am trying to run an application from the host machine on a coprocessor. When I execute the test commandmpirun -n 1 -host mic0 hostnameI get the following error...
View ArticleMIC nic user login issue
I've configured NIS in my cluster setup. and user root of the host and head node can loging into MIC without password. But when a user is trying to login from the host to mic it asks password. after...
View ArticleOptimizing Intel Performance
Hello, I am writing beacuse I for some time I have been working with Intel Xeon E3 processor as well as with Intel Xeon Phi MIC card. I focused on the following books: Structured Parallel Programming:...
View ArticleCompiling source code for phi processor on remote machine
Hello.I have a server machine(every machine we have is RHEL) which the Intel Parallel Studio XE 2015 is installed on. I also have a co-processor on a different machine, and I would like to compile my...
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