unable to ssh to mic1
hello i am have a system with two mic cards and i am trying ssh into them from xeon host,i can do ssh mic0 and access mic0 and run native application,but i cannot access mic1 via ssh,when i do ssh mic1...
View ArticleH.264 encoding
Hi,I want to encode a YUV420 stream to h.264 stream. As it is live streaming to rtmp server, I am not intended to use B frames. I want my encoder to only give P frames.Can anyone tell me what are the...
View Article14.0.2 can't do fallback for offload with no mics?
Hi,I've seen a few posts on this kind of subject in the past, but nothing recently that seems to be relevant (unless I missed it). I tried to run what I thought was a basic TBB / offloading test...
View ArticleNotification: Updated to Resource Guides for Developer and Administrator...
New updates to the Resource Guide for Intel® Xeon Phi™ Coprocessor Developers and Resource Guide for Intel® Xeon Phi™ Coprocessor Administrators documents have been published. There are only minor...
View ArticleProblems when trying to run symmetric MPI jobs with MPSS 3.2, MLNX HCA and...
Hi,We have been struggling to get symmetric MPI jobs running on our cluster. MPI works fine on host to host and also mic native MPI works between compute nodes. Intra node host <-> mic...
View ArticleNew article: Resource Guide for People Investigating the Intel® Xeon Phi™...
Resource Guide for People Investigating the Intel® Xeon Phi™ CoprocessorThis article identifies resources for anyone investigating the value to their organization of the Intel® Xeon Phi™ coprocessor,...
View ArticleClosed link for libraries using TBB offloading?
Hot on the heels of my standalone success (Thanks Kevin) I tried to integrate a test of TBB offloading into our modular framework. In a nutshell, the user writes modules in C++ which get compiled into...
View ArticleAchieving peak on Xeon Phi
Hi,I am on a corei7 quad core machine with ASUS P9X79WS motherboard and Xeon Phi 3120A card installed.Operating system is RHEL 6.4 with mpss 3.1 for phi and parallel_sutdio_2013 SP1 installed.Just for...
View ArticleCommunications between MICs and hosts
Hi,I am evaluating communications between MICs and host using MPI. I found that the bandwidth results are not bad between MICs, especially between two MICs that attached to different hosts (only...
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VTune multithreading on multicore
Hi guys,I am trying to run 8 different threads on 8 different cores. So my CPU time is greater than my elapsed time. One of the threads is taking a very long time when compared to the other 7. These 7...
View ArticleEnergy consumption big differences for idle energy consumption on CPU and...
I tried to test the idle energy consumption for 10 seconds on Xeon Phi 5110P and Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz energy consumption. I found there is a quite difference on total energy...
View ArticleBooting a Non-Linux OS
I want to boot a non-linux OS on the Xeon Phi. Is there any documentation on that? From the MPSS User Guide:"The second part of the boot argument indicates to boot a Linux* image. It may also be set to...
View ArticleVTUNE and VPU hotspot analysis
I'm using VTUNE to look at the hotspots in my code. I'm down into the vector instructions and confused by a few things. I understand that VTUNE isn't a cycle accurate simulator, but why it is that I...
View ArticleSegfault when offload function and data into xeon phi (SIGSEGV)
Hi,I have a code running on the CPU and I offload a function, which is being called several times inside a nested loop, into Intel Xeon Phi to be accelerated. In addition to get good performance out of...
View ArticleCo-processor only fine. But Symmetric & Offload not work.
Hello, I want to generate xeon phi workstation using intel MPI.Thus, I've already set up xeon phi and run test code using below...
View ArticleThe difference in creating threads between Phi and GPU
Dear all,I heard that "GPU can create threads using hardware, one instruction creating one thread".Does Phi have similar support? For example, when I use OpenMP, can I use some features of Phi to...
View Articlehow to enable non-root ssh?
dear forum,i've just updated my old mpss to the latest 3.2, and found that now ssh requires root password. i'm wondering how to allow non-root users to ssh and scp.i checked the mpss documentations but...
View ArticleHave a beeping problem with new ram memory - 4gb.
i think its about performance of computer.Have a beeping problem with new ram memory - 4gb. beeping , and no display.Mother board:...
View ArticleXeon Phi causing PC to freeze
For some time now, my PC has been freezing periodically - about once every 2 days, the screen looks normal, but mouse, keyboard etc. do not respond and I have to hold the power key in to restart.By...
View ArticleHow to use gather operations on MIC
Hi i want to gather a some elements from a array whose indices are specified in "index". Here is the code i have written.#include<stdio.h>#include<stdlib.h>#include<immintrin.h>int...
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