Intel® Xeon Phi™ Coprocessor

英特尔® 至强® 处理器和英特尔® 至强融核™ 协处理器的浮点算法差异

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下载英特尔® 至强® 处理器和英特尔® 至强融核™ 协处理器的浮点算法差异 [PDF 167KB]

本文介绍英特尔® 编译器使用的浮点模型及其在英特尔® 至强® 处理器场景中的应用“英特尔® 编译器浮点运算结果的一致性”。 在正确设置的情况下,编译器生成的代码完全符合面向二进制浮点算法的 ANSI 语言标准和 IEEE-754 标准。 编译器选项支持用户合理控制性能优化、精确度、结果再现性和标准合规性。

这一浮点模型还适用于英特尔® 至强融核™ 协处理器,但是与英特尔至强处理器之间的结构差异导致实施过程有所不同。 本文主要讨论这些差别。

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  • Intel® Xeon Processor
  • Intel® Xeon Phi™ Coprocessor
  • Floating Point Arithmetic
  • Intel® Compiler
  • Intel® Composer XE 2013
  • Intel® Many Integrated Core Architecture
  • Parallel Computing
  • 面向英特尔® 至强融核™ 协处理器的系统管理

    更新日期:2013 年 7 月 18 日

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    面向英特尔® 至强融核™ 协处理器的系统管理 [PDF 597.22 KB] pre-MPSS 3.1

    Under revision! At present, the version of the system administration guide here applies only to those versions of the MPSS earlier than 3.1

    前言


    本文档概述面向英特尔® 至强融核™ 协处理器的系统管理。主要面向小规模系统管理员。本文档不能取代英特尔® 集成众核架构(英特尔® MPSS)的附带文档而是作为补充,其中包括相关提示、故障排除建议以及其它文档的指针。

    概述

    本文从系统管理员的角度研究英特尔至强融核协处理器。

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  • MIC
  • Intel® Xeon Phi™ Coprocessor
  • Intel® Xeon Phi™ Coprocessor System Admistration Guide
  • Recipe: Building and Optimizing mpiHmmer for Intel® Xeon Phi™ Coprocessors

    I. Overview

    This article provides a recipe for compiling, optimizing and running MPI-HMMER for Intel® Xeon® processors and Intel® Xeon Phi™ coprocessors.

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  • Intel® Xeon
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  • MPI
  • HMMER
  • Intel® Many Integrated Core Architecture
  • Optimization
  • Introduction to the Intel® Xeon Phi™ Coprocessor

    This tutorial introduces the basic hardware and software architecture of the Intel Xeon Phi coprocessor, describing their general features, and provides a first view of the various programming models that support High Performance Computing on hosts equipped with the coprocessor, including offloading selected code to the coprocessor, Virtual Shared Memory, and parallel programming using OpenMP*, Intel Cilk Plus, and Intel Threading Building Blocks.

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  • Intel® Cilk™ Plus
  • Intel® Threading Building Blocks
  • Intel® Xeon Phi™ Coprocessor
  • OpenMP*
  • O Intel® Xeon Phi™ é o coprocessador certo para mim?

    Artigo original escrito por Eric Gardner (Intel).

    Se você está lendo este artigo, provavelmente você quer saber mais sobre o coprocessador Intel® Xeon Phi™ e o que ele pode fazer pelas aplicações que você desenvolve. Este artigo apresenta um processo simples e rápido para analisar se continuar usando os processadores Intel® Xeon® é o melhor para sua aplicação ou se adicionar o coprocessador Intel® Xeon® Phi™ à sua plataforma aumentará o desempenho da aplicação.

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  • Server
  • C/C++
  • Fortran
  • Intel® Xeon Phi™ Coprocessor
  • MIC
  • Eric Gardner
  • Intel® Many Integrated Core Architecture
  • Parallel Computing
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