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Article

Choosing between OpenMP* and Explicit Threading Methods

OpenMP provides a powerful, portable, and simple means of threading applications. In some cases, however, developers should choose the flexibility of native threading APIs. The guidelines in this article help to identify whether OpenMP is an appropriate choice for a given situation.
Criado por Última atualização em 01/06/2017 - 11:19
Article

Threading Models for High-Performance Computing: Pthreads or OpenMP?

In recent years, Linux* has bolster its presence on the server, due to improved kernel support for threads. Along the way, Linux abandoned its original threading API (called Linux threads) and adopted Pthreads as its native threading interface, joining most of the UNIX variants available today. Linux developers-just like programmers working on UNIX and Windows*-can avail themselves of a second...
Criado por Última atualização em 06/07/2019 - 16:40
Article

OpenMP* and the Intel® IPP Library

How to configure OpenMP in the Intel IPP library to maximize multi-threaded performance of the Intel IPP primitives.
Criado por Última atualização em 31/07/2019 - 14:30
Article

Setting number_of_user_threads for Intel® Math Kernel Library FFTW3 wrappers

Consider the case when you

Criado por Última atualização em 25/05/2018 - 11:08
Mensagem de blog

Fun with Intel® Transactional Synchronization Extensions

By now, many of you have heard of Intel® Transactional Synchronization Extensions (Intel® TSX).

Criado por Última atualização em 04/07/2019 - 17:00
Article

GCC* 4.9 OpenMP* Code Cannot Be Linked with Intel® OpenMP Runtime

GCC* 4.9 was released on April 22, 2014.  This release now supports Version 4.0 of the

Criado por Kenneth Craft (Intel) Última atualização em 12/07/2019 - 15:16
Article

OpenMP* 4.0 Combined Offload Constructs Support for the Intel® Xeon Phi™ Coprocessor

The Intel® Parallel Studio XE 2015 Composer Editions for Windows* and Linux* have feature enhancements that provide near full support of the OpenMP* 4.0 API (July 2013) specification.

Criado por Última atualização em 14/06/2019 - 14:35
Article

Diagnostic 15527: loop was not vectorized: function call to xxx cannot be vectorized

Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version

Criado por Devorah H. (Intel) Última atualização em 25/05/2018 - 15:30
Article

OpenMP* WORKSHARE 现在可与英特尔® Fortran 编译器 15.0 并行

英特尔® Fortran 编译器 15.0 现可为包含阵列分配的 OpenMP WORKSHARE 和 PARALLEL WORKSHARE 结构的指定实例生成多线程代码。  很显然,它们是使用 OpenMP SINGLE 结构进行部署,这表示仅可生成单线程代码。

 

Criado por Kenneth Craft (Intel) Última atualização em 03/07/2019 - 20:00
Mensagem de blog

Elusive Algorithms - Parallel Scan

Last month there was a query on the IDZ MIC forum "how to perform inclusive scan in C cilk" in which my initial reply was:

Criado por jimdempseyatthecove (Blackbelt) Última atualização em 06/07/2019 - 17:10