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*MIC* namespace "std::this_thread" has no member "sleep_for"

Hello,I am trying to offload some data onto the phi card and then I want my thread to sleep on the host for a few seconds but when I try to do so, I get the following error, the sleeping section is...

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NWChem* for the Intel® Xeon Phi™ Coprocessor

PurposeThis code recipe describes how to get, build, and use the NWChem* code that includes support for the Intel® Xeon Phi™ Coprocessor with Intel® Many-Integrated Core (MIC)...

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calling _mm512_i32extgather_epi32 emits invalid upconv argument error

Hi, I've been working with Xeon Phi to get an optimal performance out of a simple, offloaded lookup -> return function. Below is the line that's causing problem:__m512i     vec =...

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counting register spills

Hi all, is it possible to track the number of register spills into L1 and L2 cache with vtune?Is it possible to estimate if a specific part of the code has a lot of register spills by looking into the...

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MPI issues with 2 KNCs on a single host

Hi,I am testing my MPI application on 2 KNCs attached to the same host CPU. I observe a *strongly* fluctuating performance (by a factor of 10 or even more) --- for example between 10 and 160 Gflop/s...

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Re-installing C++ Composer_XE for Linux

I previously installed C++ composer XE for Linux on RHEL 6.1. I mistakenly deleted the /opt/intel folder and I cannot source the path and I cannot remove or re-install the composer. I would like to...

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How to visualize activity on the 60+ cores from a Xeon Phi coprocessor

I am pretty new on Intel Xeon Phi coding and would appreciate clarifications, really basic for most of you seniors on this topic.After ssh-ing to a Xeon Phi (mic0), I ran a "top". In order to check if...

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Intrinsic bad performance

Hi. I write aplication for Intel MIC witch doing stencil computation (5-point stencil) using 2D matrix. I would like to achieve good performance. I wrote code where 4 HW threads running on the same...

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Strange results on MIC

Hello, for my thesis I have run a simple code used to study a Lennard Jones system on a Xeon Phi coprocessor and I tried to vectorize it and study the variations on execution time.  The machine I used...

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Scif_send error??

Hello to you All, Strange message appeared when stoping the mpps service: (MPSS 3.3.1 in Centos 7)systemd: Stopping Intel(R) MPSS control service... Sep 23 10:21:18 localhost kernel: mic0: Transition...

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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...

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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...

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Understanding the corner cases of Vectorization Intensity

Correct performance analysis of an application is absolutely vital to optimize the performance on any architecture. A previous article describes several metrics recommended for a basic analysis of your...

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offload related

Hello,I had a conceptual question here, I have a program on the host that offloads data over to MIC; now, is it possible to have another program (completely separate) which is running on MIC that can...

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Do MKL FFT performs bad on xeonphi(MIC) compared to multicore - xeon server...

Hi,I have a written an application in which the same code is being on multi-core Xeon server CPU and Xeon phi 5110P(in offload mode). I noticed that when i use 512*512 size input array. i was getting...

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ShutdownTimeout

Are there any negative ramifications of setting the ShutdownTimeout to 0 instead of a higher value such as 60 seconds?  The documentation states thatSetting value to zero indicates to simply reset the...

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Prominent features of the Intel® Manycore Platform Software Stack (Intel®...

The Intel® Manycore Platform Software Stack (Intel® MPSS) version 3.4 was released on September 22, 2014. This page lists the prominent features in this release.Intel® MPSSChanges to the uninstall...

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SMC inaccessible; Cannot get power or thermal readings

I am currently managing a CentOS host system with several Xeon Phi 5100P coprocessors. One of the coprocessors (mic0) is exhibiting issues with accessing the SMC buffers, making it difficult to (1)...

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Did anyone measure performance of offloaded FFTs on the MIC?

My initial experiments offloading FFTs into the MIC (using C language in Linux) give me approximately 9.3 GFLOPS of performance, judging by the reported [MIC Time] numbers when I set the environment...

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Monitoring Intel® Xeon Phi™ Clusters Using Ganglia

Installing GangliaThe MPSS User's Guide will walk you through a basic Ganglia install. A few points you won't want to miss as you go through these instructions are:1) There are a number of additional...

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