What options to use building in Visual Studio / command line in Windows?
Sorry the Subject looks a lot like already asked question but the actual question is different.I am trying a simple code to run on my Phi and I can get past the compilation. Is there a detailed...
View ArticleOverlay is not integrated into initrd (MPSS 3.4.2)
Hello,I just upgrade to the MPSS 3.4.2 and since filelists are not supported anymore for the base initrd, I tried the overlay feature with a filelist. However, I quickly realized that the files I...
View ArticleFortran Calling C Offloaded Function
Hi Guys, I would like to know if it is possible to do a code like this:!dir$ offload begin target (mic:0)call C_SUBROUTINE(x, y)!dir$ end offloadWhere the subroutine code is:__attribute__...
View ArticleXeon Phi stops working after a while
I am running SUSE 3.0.76-0.11-default. I installed the RPM's with zypper, which seemed to load fine. The flash command did not work:/usr/bin/micflash -update -device all -smcbootloaderthere was some...
View ArticleSCIF data transfer
Hi, I want to send data using RMA function of SCIF.Register is success. But do not write to remote memory.strerror (errno) output "No such device or address" message is displayed.Below is a simple...
View ArticleICC non-commercial development
I am doing research on neural networks, and plan to port this to the Xeon Phi. This work is not commercial. I noticed that Intel has a web page for getting tools for non-commercial...
View Articlechoose _mm512_permutevar_epi32 or _mm512_shuffle/permute4f128_epi32?
Hi all,It appears that the _mm512_permutevar_epi32 can perform any kinds of data-reordering patterns according to the given index vector. On the case of that, why do we need to use the...
View ArticleWhat does __kmp_wait_yield_4 imply in hot spot analysis of vTune
Hi,I am rewriting part of LibSVM code for vectorization in order to accelerate it on Xeon Phi. Unfortunately, the performance of my rewriting code is the same as, if not slightly worse than, the...
View Articleperformance jpeg on phi
Hello.I am new in Phi world. I tested jpeg encoding performance (tested on image 1680x1050, single thread):14 ms - xeon E5-2620 - libjpeg-turbo with SIMD 39 ms - xeon E5-2620 - libjpeg-turbo without...
View Articlecannot run GDB-MIC
Hello,I am unable to debug Xeon Phi code. I am using Intel Parallel Studio 2015 and its debugger. Specifically I am not able to run gdb-mic.I follow these stepssource compilervars.sh intel64 gdb-micI...
View Articlebootup Phi in Xen/Dom0 failed with kernel crash
Hello.I have unusual (and unsupported) config: - centos 5.10 - kernel 3.10 (patched by citrix - XenServer Creedence Release Candidate) - xen from git - mpss-3.4.2 (some *.rpm without dependencies...
View ArticleUpdated info on virtualized host support?
I'm looking to install a Phi unit in my workstation which is a virtualized machine; it's running Linux / kvm as the hypervisor with multiple Linux and Windows vm's. The host machine is a current E5...
View Articleinternal error: backend signals (when compiling an asynchronous offloading...
Hello, I tried to compile the following program on Intel Xeon Phi with icpc 13.0.1. But I failed to compile it. The error message says "": internal error: backend signals" This message tell me no...
View Articleparallel_studio_xe_2015 NOT openmp 4.0 compliance?
Hi,The following code does not work as expected:------------------------------------------------------------------------MODULE SIM_DATA !$OMP declare target (GX) ! DIR$ ATTRIBUTES...
View ArticleMIC Fortran offload linker issue on windows
HiI am in the process of migrating a Fortran application for Xeon Phi offload and I had it almost working with the v14 compiler. Compiler issues prevented me from completing the implementation,...
View ArticleHow can you know the execution status of an offloaded function on...
Hi I am trying to measure power on Xeon Phi by using MicGetPowerUsage, which is one of APIs in MicAccessAPI library. I would like to measure the power only while a offloaded function is running on Xeon...
View ArticleAutomatic offload not working for R
Hello,I'm trying to run the R-benchmark-25.R using automatic offloading to the Xeon Phi but AO is not working.I have compiled my R library as explained here and set the env variables (MIC_ENABLE=1 and...
View Articlewhat is the CPUID test for KNCNI?
I'm using icc (ICC) 15.0.1 20141023 on a Haswell-based system. My software library has CPU-specific code using either SSE2, SSE41, AVX2, or KNCNI intrinsics. icc is successfully compiling the KNC...
View ArticlePhi application 2013 sp1.4.211 redist bug
Hi I am building an application with composer_xe_2013_sp1.4.211 that targets Xeon Phi on Linux I am testing the application with the redistributable libraries from...
View ArticleDifferent power usage on cards
Hi,I have two 31S1P cards. If I run exactly the same code on these cards, then one card uses 155W, the other 175W. This is very consistent and even true when idle (125W vs 104@). Why is there a...
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