SCI, Myrinet Benchmarks using EFF_BW

[Jason Rappleye]

On Thu, 18 May 2000, Anas Nashif wrote:

> On Wed, 17 May 2000, Bob Felderman wrote:
> 
> > For GM/Myrinet, did you compile with the -gm-can-register-memory
> > option?
> > 
> No, I read in the documentation that you dont recommend using it on linux
> boxes (with redhat 6.0 or greater), so assumed this also applies to SuSE.
> 

That's not what I remember. You need to use --gm-can-register-memory in
order to enable zero-copy, which should give a nice performance boost. 
Other platforms (e.g. Solaris) don't support that. Bob, is that going to
change with gm1.2 ?

Jason

--
Jason Rappleye
Research Programmer, UB Center for Computational Research
rappleye at ccr.buffalo.edu		rappleye at hwi.buffalo.edu
http://www.ccr.buffalo.edu/jason.htm