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Forum: OpenFOAM Bugs

August 8, 2007, 04:40

Replies: 7

%24WM_64 not defined in FC5 x8664

Views: 1,451

Posted By gcollecutt

Henry, changing from 32 bit to

Henry, changing from 32 bit to 64 bit on a P4-EM64T gave me a 70% increase in speed when running LS-Dyna double precision. I have noted that, for single precision code, there is little improvement...

Forum: OpenFOAM Bugs

August 8, 2007, 02:02

Replies: 7

%24WM_64 not defined in FC5 x8664

Views: 1,451

Posted By gcollecutt

Sorry Guys - I just found the

Sorry Guys - I just found the reference to WM_64 in the readme file - a bit further on than I had read to!

My Apologies.

Forum: OpenFOAM Bugs

August 7, 2007, 20:25

Replies: 7

%24WM_64 not defined in FC5 x8664

Views: 1,451

Posted By gcollecutt

When compiling double precisio

When compiling double precision code, I have ALWAYS found 64 bit code much faster than 32 bit code. As double precision compilation is the default, may I endorse Henry's suggestion of making the 64...

Forum: OpenFOAM Bugs

August 7, 2007, 01:46

Replies: 7

%24WM_64 not defined in FC5 x8664

Views: 1,451

Posted By gcollecutt

Description: I downloaded Op

Description:
I downloaded OpenFOAM 1.4.1 and attempted to compile from scratch under Linux FC5 x86-64. The OpenFOAM-1.4.1/.OpenFOAM-1.4.1/bashrc script did not detect the 64 bit OS and as I only...

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