On Monday 20 October 2003 22:53, Mikhail wrote: > On 09:07 Mon 20 Oct , brett holcomb wrote: > > Yes, if you compile for an AMD and put it on a K6 I can > > see where it would break. But shouldn't it work if you > > compile each machine for itself - that is on the 486 you > > install Gentoo with 486 optimization, the AMD gets it's > > own optimization, etc. A cluster isn't much use if it has > > to have all identical hardware. > > well - that's how openmosix works. app. is being ran on another node. So I > would say it is very close to if you run binary on another machine by > copying it over there and executing. > > That's the problem with optimization - if you run binary on PI, [binary is] > optimized for Athlon, - most likely it will not work over there. Yes, you > can have mixed hardware on openmosix cluster - just use the same > optimization on all nodes (e.g. march=i586, etc. So that you are sure all > nodes will be able to run it).
You don't need to have the same optimization; you just need to be able to support the minimum hardware. eg: P1: -march=pentium -mcpu=pentium P4: -march=pentium -mcpu=pentium4 It won't give you as good a optimization as your regular -march=pentium4 but it will give you the best of both world. Jason -- [EMAIL PROTECTED] mailing list
