Technical Article

Announcing Intel® Graphics Performance Analyzers Version 2014 R2

Intel GPA Release 2014 R2 includes the latest toolset featuring support for DirectX* 9, 10, 10.1, and 11.0 workloads on Windows* and OpenGL* ES 1.X/2.X workloads on Android.
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  • To Concatenate or Not Concatenate RDRAND?

    At the heart of Intel® Data Protection with Secure Key is the digital random number generator (DRNG), a NIST* SP800-90A compliant pseudorandom number generator which is accessed using the RDRAND instruction. Beginning with Intel CPU's code-named Broadwell, Secure Key will also include an SP800-90B and C compliant true random number generator, called an enhanced nondeterministic random number generator in the NIST specifications, that will be accessible via the RDSEED instruction.

    Intel® Cluster Tools Open Source Downloads

    This article makes available third-party libraries and sources that were used in the creation of Intel® Software Development Products. Intel provides this software pursuant to their applicable licenses.

    Products and Versions:

    Intel® Trace Analyzer and Collector for Linux*

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  • Intel XDK: Develop Once, Deploy Everywhere

    *Post by Fredrick Odhiambo, Intel East Africa

    Over the last couple of months, Intel has been improving the various aspects of the Intel XDK.  Intel XDK uses HTML5 to enable the development of cross-platform applications for both Desktop and Mobile.

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  • The Chronicles of Phi - part 1 The Hyper-Thread Phalanx

    The term phalanx is derived from a military formation used by the ancient Greeks and Romans. The formation generally involved soldiers lining up shoulder to shoulder, shield to shield multiple rows deep. The formation would advance in unison becoming “an irresistible force.” I use the term Hyper-Thread Phalanx to refer to the Hyper-Thread siblings of a core being aligned shoulder-to-shoulder and advancing forward.

    Intel® Graphics Performance Analyzers 2014 R2 Release Notes

    This article contains the online version of the Release Notes for Intel® Graphics Performance Analyzers (Intel® GPA). You'll find system requirements, installation instructions, issues and limitations, and legal information for the product.
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  • Intel® Xeon Phi™ coprocessor Power Management Turbo Part 3: How can I design my program to make use of turbo?

    Previous blogs on power management and a host of other power management resources can be found in, “List of Useful Power and Power Management Articles, Blogs and References” at http://software.intel.com/en-us/articles/list-of-useful-power-and-power-management-articles-blogs-and-references. See [LIST] below in the reference section.

    SO WHEN IS TURBO USEFUL

    Let us cut to the chase and ask the two most important questions:

    Selective Use of gatherhint/scatterhint Instructions

    Compiler Methodology for Intel® MIC Architecture

    Selective Use of gatherhint/scatterhint Instructions

    Overview

    The -opt-gather-scatter-unroll=<N> compiler option can be used to generate gatherhint/scatterhint instructions supported by the coprocessor.  This is useful if your code is doing non-unit stride accesses and/or uses indirect addressing via pointers or index arrays. 

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