[gmx-users] MPICH, SMP,--disable-nice

Mehmet Suezen suzen at theochem.tu-muenchen.de
Fri Jan 4 20:03:25 CET 2002

Dear Eric,

Many thanks for your kind help. 

Actually I mistimed it. What does --disable-nice means? where I couldn't
find its description in the help.
After all I tried with and without --disable-nice (cos it advised in
INSTALL file of the distribution.)
No affect on result. Executable with MPICH just appeared very short time
drop then. It is really a 
strange behavior.

Let me ask some question on this problem:

(i.)  How could I ensure that mdrun uses MPICH libraries? Except than
giving as an  environment variable before
      compilation or as LD_LIBRARY_PATH?
(ii.) Does SMP machines makes difference on compilation procedure? Where
I don't think.

Any suggestion would be precious.


Erik Lindahl wrote:

> Hi,
> Disable-float turns on double precision. Somewhat stupid name for the
> option,
> but it was easier to use the same choice as the fftw package.
> The gmx_tx error is most probably caused by a recompile with mpi when you
> already had an old non-mpi compile left. Try "make distclean" first, and
> then
> rerun configure!
> Cheers,
> Erik
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