Typo in documentation
Dear Intel,In http://registrationcenter.intel.com/irc_nas/3988/readme-en.txt it says under Resolution 2:Refer to MPSS User Guide, Section 8.1, "Recompiling the Host Driver".In the MPSS User Guide this...
View ArticleOffloading and Threadprivate variables
Is it not possible to offload threadprivate globals?Compiling the following:module mymodule integer var_save !dir$ attributes offload:mic :: var_save !$omp threadprivate(var_save) end...
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Double buffering
Hi, I'm new here and I have a question right from the start.What I'm trying to do is double buffering on XEON PHI. This program seems to run fine if I remove signal/wait that is when I'm not doing any...
View ArticleMPSS True Scale support on RHEL 6.5
I am confused about OFED and True Scale adapter support in RHEL 6.5. Section 2.2 of the Users Guide says that native Phi applications running on True Scale systems are only supported through 6.3, but...
View Article_mm512_mul_epi32 not working?
#include <immintrin.h> #include <zmmintrin.h> // not needed but put here to show it is indeed included ... __m512i a,b,c; a = _mm512_mul_epi32(b,c); produces this error: undefined...
View Articlehow to set passwordless authentication in a cluster
Hi,I am configuring MIC boards on a Rocks cluster. I am encountering an issue about accessing MICs with passwordless authentication.Basically, my home directory is mounted to all machines of the...
View ArticleHybrid mode execution(Xeon and MiC)
Hi, I am trying to run a hybrid mode(Xeon and MiC) of my application using MPI. However I keep getting this error.HYD_pmcd_pmiserv_send_signal (./pm/pmiserv/pmiserv_cb.c:239): assert (!closed) failed...
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micflash keeps hanging
Hi,I've been struggling with MPSS installation for some time now.I started out in Ubuntu cross-compiling, but then gave up for obvious reasons. (didn't seem worth the trouble)I installed CentOS 6.4...
View Articlecast __m512 to __m512d
Hey all, simple question: How does the cast operation _mm512_castps_pd work?A __m512 data type holds 16 floats i.e. 16 elements. Contrary to that a __m512d data type can only hold 8 elements -- so what...
View ArticleWhen would the L2_Data_Read_Miss_Cache_Fill happen?
Hi, guys I am trying to run a mpi program on the MIC using 240 threads, and I use the Vtune to analyze my program and find the L2_DATA_READ_MISS_CACHE_FILL/ L2_DATA_READ_MISS_MEM_FILL is too...
View ArticleExpected files seem to be missing
Hi,We are just getting started with mpss and I was trying to follow the instructions found at http://software.intel.com/sites/default/files/article/373934/system-admi... specifically the section on...
View Article/usr and /usr/lib64 directories are world writable
Hi,I noticed that /usr and /usr/lib64 directories are world writable (mode 777), I'm using MPSS 3.1.2/4.I commented out following line from /opt/intel/mic/ofed/ofed.filelist and after reboot...
View ArticleMPSS version confusion 3.1.x vs 2.1/gold_update_3_5...
Maybe it's just me, but the MPSS versioning seems potentially confusing. I was recently updating my Compiler/VTUNE stuff from the "registration center" and saw that there's a new MPSS gold_update3_5...
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Configuration and Benchmarks of Peer-to-Peer Communication over Gigabit...
Hi all,We just have published our new white paper about point-to-point MPI communication between Xeon Phi Coprocessors in the...
View ArticleOffload error
I am trying to offload a part of code and using 3 arrays of dimensions (14000*3600)but this is giving some error related to system calls if I reduce the size of arrays to 1400*360 the code works fine...
View ArticleIssues for MPI library startup
hello I am running a MPI program which involves 5 ranks communicating with each other. The program runs fine when i run it on Xeon platform but when i put one of the process rank on MIC the program...
View Articlemm512 random number generator intrinsics?
Hey all, I have read in the FAQS that MKL has a random number generator included in the vector libraries.Are there intrinsics for generating vector random numbers? or a small kernels that I could...
View ArticleMPI startup fail
hello I am running a MPI program which involves 5 ranks communicating with each other. The program runs fine when i run it on Xeon platform but when i put one of the process rank on MIC the program...
View ArticleCompilation shared libraries problem
Hello everyone,could someone help me with this issue? I try to compile some OpenMP code, but still wrote this for offload and native compilation:bar0088@argexpr2:~/Workspace> icc -openmp vec_add.c...
View ArticleProblem with running program on mic
Hello,I trying a run a simple file-open program on mic0 but the program fails (does not open file but terminates gracefully!) when i run it from the host machine and succeeds (program opens the file on...
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