243 resultados coincidentes
Forum topic

Cannnot change IA32_PERF_CTL value: it gets overwritten by the operating system


I'm running an experiment on a server machine with a quad-core Xeon X5355 processor running a linux system.

Autor Yuna H. Última actualización 02/12/2014 - 08:43
Forum topic

Huge time cost while assigning

Hello Guys:)

It is very nice to have this forum. I'm a fresh on the ISA Extension and expect to have your insight:)

Autor Xinjue Z. Última actualización 03/12/2014 - 18:12

诊断信息 15532: 循环无法进行矢量化处理:编译时间不足妨碍了循环进行优化

产品版本: Intel(R) Visual Fortran 编译器 XE


使用 Visual Fortran 编译器的优化选项 ( -O2  -Qopt-report:2 )  时出现矢量化报告,表示编译时间不足妨碍了优化。

Autor tianhui s. Última actualización 15/12/2014 - 23:18
Forum topic

Does VPMASKMOV require an aligned address?

The online for VPMASKMOV says that "mem_addr must be aligne

Autor Nathan K. Última actualización 09/12/2014 - 18:14
Forum topic

Indirect Bit Indexing and Set

   Hello together!

Autor Alexander L. Última actualización 15/12/2014 - 07:50
Forum topic

Intel MPX, gcc/as fail to build glibc

Has anyone successfully compiled an MPX instrumented glibc? What version of glibc, gcc and binutils did you use?

Autor c_43 Última actualización 16/12/2014 - 06:33
Forum topic

Benefits of SSE/AVX processing when an integrated GPU is missing?

Some Intel processors have an on-chip GPU (e.g. Intel Core i/-4770K using a HD Graphics 4600 GPU) whilst others don't have this (e.g  Intel Core i7 3930K).

Autor Toby Última actualización 16/12/2014 - 07:08
Forum topic

pmovzxbd using memory operands

Is there a way to use pmovzxbd with a memory operand from intrinsics currently I have either

_mm_cvtepu8_epi32(_mm_cvtsi32(ptr[offset])); //(movd)

Autor Christopher H. Última actualización 16/12/2014 - 17:07

Quick Linking Intel® MKL BLAS, LAPACK to R


Autor Ying H (Intel) Última actualización 19/12/2014 - 00:27
Forum topic

Early indicators of AVX512 performance on Skylake?

Hi all,

Looking ahead, what can we expect from the first generation of AVX512 on the desktop - or when should we expect an announcement?

In the past:

Autor angus-hewlett Última actualización 18/12/2014 - 03:55
Para obtener información más completa sobre las optimizaciones del compilador, consulte nuestro Aviso de optimización.