Quantcast
Channel: Intel® Many Integrated Core Architecture
Browsing all 1347 articles
Browse latest View live

Intel compiler (ICC) with the latest MPSS 3.3

Hi All,   I have grabbed a copy icc_2013.1.046 and mps-3.3. I did the standard install of both, with icc being done on a node with a MIC using the --SHARED_INSTALL flag.    However, I have some issues...

View Article


Not possible to run offload compiled code on CPU only ?

Hi,Sorry, if that question was previously asked. I couldn't find any hint about it.I have a compiled offload binary, is it possible to make it run on CPU only with some environment variable? I saw...

View Article


Error while compiling with -tcollect : ITAC

I'm facing the following errors while trying to build my application for MIC with -tcollect flag:x86_64-k1om-linux-ld: skipping incompatible /opt/intel//itac/8.1.4.045/intel64/itac/lib_impi4/libVT.a...

View Article

KMP_PLACE_THREADS ignored: unsupported architecture?

Dear all,I am trying to optimise the MPI/OpenMP configuration for my application and have encountered a strange problem when trying to use the KMP_PLACE_THREADS variable.I discovered some error...

View Article

transferring initial date to MIC

Hey everyone,I am pretty confused about how to transfer some initial data, and allocate arrays, to the MIC at the beginning of my code. For instance, one of my sources of confusion is my position array...

View Article


vectorization of nested loops.

Hey everyone, I have the following set of nested loops which I would like to vectorize. If you're familiar with molecular simulations, this is a linked cell energy calculation. I checked the...

View Article

MAGMA Offload

I'm trying to see how the MIC with MAGMA dgemm compares to CUBLAS on my machine. I installed MAGMA with icc and successfully ran testing_dgemm.cpp. I then changed to my problem size (severely oblong)...

View Article

how to compile omp static? and error: x86_64-k1om-linux-ld: cannot find -liomp5

i use icc to compile and got errorpart of my Makefile:C_PLATFORM=-mmic  -openmp -pthread -static -openmp-link=static GPP=/opt/intel/bin/icpcwhen i run make, got error: x86_64-k1om-linux-ld: cannot find...

View Article


Image may be NSFW.
Clik here to view.

build linux kernel ERROR: modinfo: could not find module XXX

I build the linux kernel for using the PAPI perfctr. my system: CentOS release 6.4 (Final), 2.6.32-220.el6.x86_64.The attachment is my .config.Get the source code from kernel.org->uncompress the...

View Article


Issue compiling Mellanox Ofed supoprt for MIC

Hi,We have a SLES11 SP3 non original kernel, and mellanox ofed 2.2 and when trying to rebuild the ofed-driver-3.3-1.src.rpm it fails with the following error:# rpmbuild --rebuild --define MOFED=1...

View Article

No symbols in VTune for offloaded application

I am collecting a VTune profile for an offloaded program in the following manner:amplxe-cl -collect knc-hotspots -source-search-dir /home/dozog/myapp/src -search-dir /home/dozog/myapp/src -result-dir...

View Article

Image may be NSFW.
Clik here to view.

Symmetric MPI run

Hello,I'm trying to run an mpi symmetric model on the host and mic architecture. Everything works fine as long as the total number of processes (mic+host) is less 10. But when it's greater than 10, I...

View Article

Customer survey on deprecating micctrl filelist capability

Hello,We would like to know if you are using the micctrl filelist overlay type and the impact if we remove this capability. To be specific, only the following micctrl capability (with overlay=filelist)...

View Article


mpss-daemon-3.2 bug

All,Just want to signal this bug we discover yesterday together with Akshay Giridhar Ravichandran (akshay87ATvt.edu).We are not using the kernel shipped with the MPSS but the one available at...

View Article

DMA Controller: dstatwb results in channel error

Hi, I am trying to develop my own DMA driver for Xeon Phi. The first attempt seems to work quite well. I tried to use the dstat_wb feature. However, if I try to write an address into the dstat_wb_lo...

View Article


Error in loading libiomp5.so

Hi!When I run a program on mic0 after compiled with -mmic option, it returnederror while loading shared libraries: libiomp5.so: cannot open shared object file: No such file or directoryI've read this...

View Article

How to declare variables local to MIC

Hello, I would like to run a simulation using the host and MIC. In a recent question in this forum I received a large amount of help from the Intel team (thank you, intel) . I was shown that a SOA data...

View Article


address range partially overlaps with existing allocation

These are my program's simplification,because my source code is so tedious. // head.h class CTest { public: float * array1; float * array2; int Len1,Len2; CTest(); void do(); }; ​// head.cpp float *...

View Article

Image may be NSFW.
Clik here to view.

Debugging Intel® Xeon Phi™ Applications on Linux* Host

ContentsIntroductionDebug Solution for Intel® MICHow to get it?Why use GNU* GDB provided by Intel?Why is Intel providing a Command Line and Eclipse* IDE Integration?Deprecation NoticeFeaturesRegister...

View Article

Image may be NSFW.
Clik here to view.

Debugging Intel® Xeon Phi™ Applications on Windows* Host

ContentsIntroductionDebug Solution for Intel® MICHow to get it?Debug Solution as IntegrationComponents RequiredConfigure & TestPrerequisite for DebuggingDebugging Applications with Offload...

View Article
Browsing all 1347 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>