[ofa-general] Re: [ewg] OFED 1.2 rc3 release

[Rick Jones]

Parks Fields wrote:
> 
> 
> Ofed 1.2 rc3 is running IPoIB slower that rc2 or earlier
> 
> I use to get ~800MB/sec no tuning and now I get ~650MB/sec ??
> 
> Ideas??

Not specific to IPoIB, but whenever something like that happens to me I start 
with things like:

*) CPU utilization - did that and the netperf (assuming netperf) service demand 
increase?

*) packet losses?

*) change in MTU?

*) change in interrupt behaviour by the I/O card? (ie did netperf TCP_RR change 
much?)

rick jones