Filters

Blog post

Intel MKL函数,如何得到相同的计算结果?

在运行程序时,我们总希望多次运行的结果,是完全一致,甚至在不同的机器与不同的OS中,程序运行的结果每一位都完全相同。

Authored by Chao Y (Intel) Last updated on 02/10/2016 - 01:10
Blog post

Android NDK for X86 - 两点解释

今年4月的IDF中,我的同事和我主持过一个实验课,讲解为x86平台进行android NDK应用的开发和移植,实验室都是基础性的,旨在让对NDK并不熟悉的开发人员对此有一个概念并能利用在实际的开发工作中。之前的一段偶尔发现有人对实验课发博客进行了描述【1】。 可惜其中有些信息并非完全一样,所以发此博客解释一下,并且想针对x86下的NDK相关开发进行一系列解释说明,也欢迎大家指正。

Authored by Li Zhang (Intel) Last updated on 02/10/2016 - 01:11
Blog post

Intel MKL 多线程设置

对于多核程序,多线程对于程序的性能至关重要。 下面,我们将对Intel MKL 有关多线程方面的设置做一些介绍: 我们提到MKL 支持多线程,它包括的两个概念:

Authored by Chao Y (Intel) Last updated on 02/10/2016 - 01:13
Blog post

Intel Optimized LINPACK Benchmark 性能测试

Linpack是我们常用的CPU性能测试程序。它通过计算双精度线性方程组的求解来测试CPU的运算能力。Intel MKL提供一个优化版本的Intel® Optimized LINPACK Benchmark,通过运行这个程序,我们可以方便进行CPU的基准性能测试。

Authored by Chao Y (Intel) Last updated on 02/10/2016 - 01:15
Forum topic

VPP - Denoising is not working as expected

I run the VPP code in sample_vpp (sdk sample downloaded from https://software.intel.com/sites/default/file

Authored by Karthick K. Last updated on 02/09/2016 - 23:30
Forum topic

simple_decode_vmem - GPU to CPU memory copy - ways to optimize

Hello All,

I profiled and found that copying memory from GPU to CPU is very expensive. I am looking for your inputs to alleviate this performance loss.

Authored by Kishor B. Last updated on 02/09/2016 - 22:54
Forum topic

Performance Debug vs Build

Hello,

Just a general question about performance.

Authored by ch r Last updated on 02/09/2016 - 22:31
Forum topic

How to use OpenGL with media sdk server (Linux)

Hi,

I've started a new thread, after the old threads not been resolved yet.

We develop application which does the following:

Authored by ran s. Last updated on 02/09/2016 - 22:17
Forum topic

OpenMP (icpc 15.0.6) weird behavior on MIC

Dear forum, The toy code below returns "sum = 256" on my 5110P. Any thoughts on why oversubscription did not work? Thanks!

PS:

Driver Version : 3.5.1-1

Authored by King Crimson Last updated on 02/09/2016 - 20:59
Forum topic

segfault: adapted code from mkl 11.3.0 example, LLS routine: lapacke_sgels_row.c

the attached code is just simply modified matrix size from original example: size of matrix and how they are initialized. --the size: M, N and NRHS: 15000 150 1

Authored by jinming g. Last updated on 02/09/2016 - 20:09
For more complete information about compiler optimizations, see our Optimization Notice.