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Re: [Getfem-users] GMM++ and Visual Studio 2008

From: Cédric Venet
Subject: Re: [Getfem-users] GMM++ and Visual Studio 2008
Date: Fri, 08 Oct 2010 10:09:02 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20100915 Lightning/1.0b2 Thunderbird/3.1.4


try to define _SCL_SECURE=0 (warning ABI incompatible so all the code you link must use this flag)
for code using the stl heavily, it can result in 100x speedup.

perhaps also:

#pragma inline_recursion
#pragma inline_depth

and check all the optimisation are on.


On 07/10/2010 23:23, Danesh Daroui wrote:


> Hi,


> I have recently ported our code written with GMM++ to 64-bit

> and recompiled the code in Visual Studio 2008. The weird
thing is

> that when I run the code, GMM++ function compiled with Visual

> 2008 has extremely poor performance comparing to the old
32-bit code

> compiled with MingW on Windows. I also compiled the code with

> C++ Compiler 11.1 in Visual Studio 2008, and the performance

> GMM++ functions were still very very low and they worked very

> What is the reason? I thought, maybe the GMM++ code is suited
to be

> compiled with gcc, but in the web site it is stated that the
code is

> compatible with Intel C++ Compiler 8.0. Has anybody had same

> experience?


> Thanks,


> D.



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