[gmx-users] Re: install gromacs on ia64 system

[Jian Zou]

>> David wrote:
>> Yes, but not necesssarily. Float will still be faster.

> Michel wrote:
> My tests on the itanium2 revelaed that single precision wouldn't go
> faster than double, but would produce supernovae out of my simulation
> box. This is for gromacs 3.2.1. Double precision seems OK.

In my test by now, double precision seems much faster than single, almost 
twice.
The gromacs is gmx-3.2.1 & fftw-2.1.5 installed by the administrator, yet I 
do not know which compiler they chose for gmx & fftw.



Regards,

Jian Zou