Re: [RFC][PATCH] Cross Memory Attach

[Ingo Molnar]

> > NPB:
> > ====
> > BT - 12% improvement
> > FT - 15% improvement
> > IS - 30% improvement
> > SP - 34% improvement
> > 
> > IMB:
> > ===
> > 		
> > Ping Pong - ~30% improvement
> > Ping Ping - ~120% improvement
> > SendRecv - ~100% improvement
> > Exchange - ~150% improvement
> > Gather(v) - ~20% improvement
> > Scatter(v) - ~20% improvement
> > AlltoAll(v) - 30-50% improvement

btw., how does OpenMPI signal the target tasks that something happened 
to their address space - is there some pipe/socket side-channel, or 
perhaps purely based on flags in the modified memory areas, which are 
polled?

	Ingo
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