Intel Xeon Phi Processor Software version 1.5.0 for Linux
In case you don't know, the Intel Xeon Phi Processor Software version 1.5.0 for Linux was released last week at https://software.intel.com/en-us/articles/xeon-phi-software . This version has the...
View ArticleWhy MIC don't support opcode : _mm_or_si128
Hi All.My sample code like this:#pragma offload_attribute(push, target(mic))#define __INTEL_COMPILER_USE_INTRINSIC_PROTOTYPES 1 #include "immintrin.h"void test_func(){ __m128i a; __m128i b;...
View ArticleError: 'pmovmskb' is not supported on 'k1om'
Hi All.I compiled code use ICC for mic, get error message. What is the mean? Error: 'pmovmskb' is not supported on 'k1om'
View ArticleDifference Performance Datatype dependency
Hi all and thanks to help,I write in Fortran a stupid program that implements a dot product between two arrays , one in double precision and the other changing the datatype.PROGRAM datatype USE omp_lib...
View ArticlePerformance of Half Precision Floats on KNL
HiI want to use half precision floats on Knights Landing. However, I find the half-floats really have very poor performance. Does anyone know the reason?I use the following intrinsic instructions to...
View ArticleKnights Landing(KNL) Thread Affinity and Managing Hyper Threading
Hi,I need to run my program for different configurations of KNL, in the process I enabled Hyper threading and wanted to test for different no.of threads per core by setting environment variables,...
View ArticleIssues using micnativeloadex for cross-compiled hwloc on MIC
Hello all,I have been having trouble getting hwloc to run natively on the MIC. Specifically, it seems that necessary dependencies (such as libimf.so) are not being found.First of all, /install is an...
View ArticleTrouble installing Xeon Phi 7120 coprocessor on CentOS 7.3
Hi all,We purchased two Intel Xeon Phi 7120P co-processors and are attempting to set one of them up with a CentOS 7.3 machine. Disclaimer: I don't know what hardware stepping or firmware exists on...
View ArticleHow to install xpssl 1.5.0 (Intel Xeon Phi Processor Software)
Background: I am having trouble installing a Xeon Phi *Coprocessor* 7120P because of incompatibility with the Xeon Phi *Processor* (7210) software. This takes the form of error messages like the...
View ArticleRDMA problems in gluster on host with MIC
Hi, after I have configured ibscif virtual connector for Infiniband the RDMA gluster transport does not works anymore.I have CentOS 6.6 and OFED 3.12-1 MPSS 3.5.2 and I have followed the installation...
View ArticleTBB Offloading Issue on Xeon Phi Coprocessors
I am trying to get a program that uses TBB to offload work to two Xeon Phi coprocessors and I am running into a linking issue. I compiled with the Intel compiler using the -ltbb flag and received the...
View ArticleHow to run impi test program among cluster nodes
Dear All,Just installed the Parallel Studio XE 2017 on CentOS 7 in a cluster mode.For some reasons I cannot run the impi/2017.1.132/test.c from a multi-nodes environment.I used the following to compile...
View Articleib_read_bw not working on MIC
Hello,this is my configuration: CentOS 6.6, IntelIB 7.4.0.0.21 on host: server# ibv_devinfo hca_id: scif0 transport: iWARP (1) fw_ver: 0.0.1 node_guid:...
View ArticleKNL Fortran 64 byte alignment
Hello all. I encountered an error after recompiling my code with -align array64byte and using !dir$ vector aligned directive. serial job x86 - ok, mpi job x86 - ok , serial MIC - ok, MPI MIC - array...
View ArticleIntel Phi co-processor.
Hello, Can I use Intel Phi co-processor with Linux gfortran compiler instead with Intel FORTRAN compiler? How faster will be the binary program compiled with Intel compiler? I heard the gfortran is...
View ArticleOMP thread placement on KNL SNC4
We're seeing an unexpected (Intel) OMP thread placement in SNC4 mode.The thread placement is different on each KNL node. While that by itself may ok, we're seeing entire numa nodes not being used, and...
View ArticleWhere can I find additional info about Intel Xeon E5 QuickData technology?
I'm working with an Intel Xeon E5-2670 v3 and I'm developing a driver for IOAT - QuickData (DMA device) on QNX but I need more info.The only Intel documentation I’ve found, the Xeon E5 v3 product...
View ArticleIntel Doc 546831
Sorry, I don't see which group to post my question so let me try this one :-)Can someone please let me know where I can download Intel Doc 546831? I was told this doc (page 243 – 246) has...
View ArticleIssues getting VTune to work with Xeon Phi
Hi,I recently got a Knights Corner Phi and have been setting it up. I set it up using the latest version of MPSS (3.8.1).When trying to install the sampling driver, I get this message:$ sudo...
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