英特尔® C++ Composer XE

Intel® Parallel Studio XE 2015 Update 1 Composer Edition for C++ Linux*

Intel® Parallel Studio XE 2015 Update 1 Composer Edition for C++ Linux includes the latest Intel C/C++ compilers and performance libraries for IA-32, Intel® 64, and Intel® Many Integrated Core (Intel® MIC) architecture systems.

  • 开发人员
  • Linux*
  • C/C++
  • 英特尔® C++ 编译器
  • 英特尔® C++ Composer XE
  • 英特尔® Composer XE
  • 英特尔® 集成性能原件
  • 英特尔® 数学核心函数库
  • Intel® Threading Building Blocks
  • Intel® Parallel Studio XE 2015 Update 1 Composer Edition for C++ OS X*

    Intel® Parallel Studio XE 2015 Update 1 Composer Edition for C++ OS X* includes the latest Intel C/C++ compilers and performance libraries for IA-32 and Intel® 64 architecture systems. This new product release now includes: Intel® C++ Compiler 15.0.1, GNU* Project Debugger (GDB*) 7.7, Intel® Math Kernel Library (Intel® MKL) Version 11.2 Update 1, Intel® Integrated Performance Primitives (Intel® IPP) Version 8.2 Update 1, Intel® Threading Building Blocks (Intel® TBB) Version 4.3 Update 1

    New in this release:

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  • Apple OS X*
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  • 英特尔® C++ 编译器
  • 英特尔® C++ Composer XE
  • 英特尔® Composer XE
  • 英特尔® 集成性能原件
  • 英特尔® 数学核心函数库
  • Intel® Threading Building Blocks
  • Thread local calculation of reducers?

    Hi,

    I wonder how reducers work internally. So if a value is set into a reducer, does it block other threads each time a value is set?

    I ask because normally I'm creating a local 'reducer', e.g. a local histogram on an image tile and on leaving the thread all the data is pushed at once into the global reducer. Just like local memory operations in OpenCL.

    使用Intel® C++ Compiler编译浮点应用时的相关因素权衡

     

        总的来说,浮点应用有以下几个考量目标

    • 精度:应用最后计算出的结果与理论结果一致.
    • 可重复性及可移植性:应用在多个平台或架构上,多次运行的结果依然保持一致相同.
    • 性能:应用计算所需的运行时间.

        用户在编写含浮点计算的应用时,应在以上的考量目标中做适当的折中。例如,在开发3D图形引擎的情况下,性能可能是要考虑的最重要的因素,并且可重现性及精度可能是相对次要的考量因素。

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  • Why does the available number of workers changes execution for a 1 cilk_spawn program?

    While optimizing a matrix manipulation code in C, I used CilkPlus to spawn a thread to execute in parallel two functions that are data independent and somewhat computationally intensive. Cilk_spawn is used in only one place in the code as follows:

    Run-time exit function

    Hello,
    I would like to understand run-time execution in Cilk a little better. 
    I have downloaded Intel Cilk run-time release (cilkplus-rtl-003365 - released 3-May-2013).

    On 09/09/2013 I had asked a question seeking to figure out which is the last function executed before Cilk run-time ends assuming execution went without any problems.

    Barry suggested to look at “__cilkrts_c_return_from_initial()” in scheduler.c  and indeed that was what I needed at that time.

    NWChem* for the Intel® Xeon Phi™ Coprocessor

    Purpose

    This 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) architecture.

    Introduction

    NWChem provides scalable computational chemistry tools. NWChem codes treat large scientific computational chemistry problems efficiently, and they can take advantage of parallel computing resources, from high-performance parallel supercomputers to conventional workstation clusters.

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  • Linux*
  • 服务器
  • 中级
  • 英特尔® C++ Composer XE
  • Intel® Xeon Phi™ Coprocessor
  • NWChem*
  • Intel® Many Integrated Core Architecture
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