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How to use the Intel® Cluster Checker v3 SDK on a cluster using multiple Linux Distributions

Linux based HPC clusters can use different Linux distributions or different versions of a given Linux distribution for different types of nodes in the HPC cluster. When the Linux distribution on which the connector extension has been built uses a glibc version 2.14 or newer and the Linux distribution where the connector extension is used, i.e. where clck-analyze is executed, uses a glibc version lower than 2.14, clck-analyze is not able to execute the shared library of the connector extension due to a missing symbol.
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  • 五千万投入 首款HAVOK手游《龙之战境》技术解析

    五千万投入 首款HAVOK手游《龙之战境》技术解析

    日前,博瑞游戏对外发布了旗下2015年三款手游新作。其中,采用HAVOK引擎打造的ARPG手游《龙之战境》自公布以来,就引起了业界的广泛关注。

    这是国内首款宣布采用HAVOK引擎打造的手游产品(腾讯旗下端游《刀锋铁骑》,网易旗下多款端游也是采用Havok引擎打造)。那么HAVOK引擎为什么被称为“世界第一物理引擎”?它的强大又体现在哪里?采用了HAVOK引擎又能为产品带来怎样的改变呢?

    OpenCL GPU access on Windows over RDP/Remote Desktop

    I would like to be able to detect and access the Intel GPUs using OpenCL even over RDP/Remote Desktop sessions so that I can deploy applications that can utilize the full system capabilities even without direct console access. Right now, it appears that I would have to switch to use an alternate remote access client like VNC to keep the Intel video drivers loaded and keep the GPU accessible.

    - NEW- Intel® Iris™, Iris™ Pro, and HD Graphics Driver update posted for Haswell and Broadwell version 15.36.23.4251

    An excerpt from the Release Notes for Intel® Iris™, Iris™ Pro, and HD Graphics Driver update posted for Haswell and Broadwell version 15.36.23.4251 including new features.

    Events not getting their ref count incremented

    When I pass an array of 2 wait events into clEnqueueReadBuffer, with one event created manually, the ref counts are not incremented.

    As I understand, all events passed into cl methods should get their ref counts incremented.

    This works correctly with my GPU, but not for CPU (WIndows 7 64 bit,  core i7 3770, latest Intel OpenCL driver for CPU)

    clSetEventCallback Oddity

    I suspect there's an aspect of clSetEventCallback that I'm misunderstanding. If you have a look at this simplified code below, you can see a kernel call, followed by a clSetEventCallback. The program then sits and waits on a windows event (inside the callback) to be set.
    If the clSetEventCallback is immediately followed by a clFlush(), then the callback is called and the wait released as expected. However without the clFlush, the kernel is never called, nor its callback, and the wait is eternal. What am I missing here? 

    Error when I run occupancy for kernels

    I am using Visual Studio Community 2013 Version 12 Update 4 and OpenCL Code Builder 1.4.0.25 on 64-bit laptop (Windows 8.1, Intel Core i5-5200U and GPU HD Graphics 5500).

    When I try to run occupancy for kernels, I get a script error. On line 2863, character 98,  ":" was expected.

    How can I fix the problem?

    Thanks in advance

     

     

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