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Take care on short runs of Intel(r) VTune-TM Amplifier XE to collect Intel(r) Xeon Phi-TM coprocessor events using appropriate sampling methods

It was an easy mistake to fall into.  The customer had collected data on an application taking less than a second to run on an Intel® Architecture host processor, and then tried the same workload on the attached coprocessor.  The issue was one of scale but provides a practical example to talk about appropriate sampling methods. 

On the host using a recent, Intel® Xeon® architecture CPU, the sample looked like this:

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  • Intel Fortran Composer XE 2015新特性 – 参数化派生类型(Parameterized Derived Types)

    在新发布的Intel Fortran Composer XE 2015中英特尔编译器加入了对Fortran 2003标准中引入的参数化派生类型(Parameterized Derived Types)的支持。所谓参数化派生类型就是允许程序员创建一个派生类型的模板,该模板可以拥有延迟定义的KIND和length参数。在使用参数化派生类型是,KIND参数必须是编译时常量,而length参数可以在运行时确定。

     

    考虑下面的例子:

    TYPE humongous_matrix(k, d)
      INTEGER, KIND :: k = kind(0.0)
      INTEGER(selected_int_kind(12)), LEN :: d
      REAL(k) :: element(d,d))
    END TYPE

    TYPE(humongous_matrix(8,10000000)) :: giant

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    Intel Advisor 2015 Update 1

    • Improved the custom install directory process
    • Incorporated new Intel® Cilk™ Plus overheads

    Intel Advisor 2015 is a successor product to Intel® Advisor 2013. Intel Advisor provides a set of tools that help you decide where to add parallelism to serial parts of your applications. The key features provided by this new major version since the initial Intel Advisor 2013 release include:

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  • Developing Immersive Apps For A New Breed Of All-In-One Computer

    This paper presents four guidelines that can help guide software developers as they design applications that encourage touch interaction and deliver a memorable end-user experience on Intel® processor-based pAIOs.
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  • Download the latest Intel® AMT Software Development Kit (SDK)

    Thank you for your interest in the Intel® Active Management Technology (Intel® AMT) Software Development Kit. The Intel® AMT SDK (Software Development Kit) contains the building blocks and documentation material needed to develop software that interacts with Intel® AMT systems.

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    在 libGDX 添加运行 Android* 的英特尔® x86 CPU

    概述

    随着基于 Android x86 的英特尔® 架构设备走俏,libGDX 团队着手开发,以确保开发人员能够使用一个跨平台框架无缝部署游戏和应用。 该案例首先对 libGDX 进行了简要介绍,然后展示了如何将现有的巨大的代码库轻松移植到基于 x86 Android 设备!

    什么是 libGDX?

    libGDX 是一款面向 Windows*、Linux*、Mac OS X*、Android、iOS* 和 Blackberry* 平台和支持 WebGL 的浏览器的开源、跨平台游戏开发框架。 您可以使用 libGDX 在任何 JVM (Java* 虚拟机)语言 — Java、Scala、Clojure、Kotlin* — 中编写游戏,然后将该代码库部署到所有支持平台上。 libGDX 可跨多种平台支持 JVM 开发常用的所有 IDE,如 Eclipse*、NetBeans 和 Intellij IDEA*。 大部分的测试和开发工作可在桌面环境中完成,这加快了开发和迭代的速度,因为我们尽可能地减少了耗时的设备部署。

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