[Info-vax] State of the Port - July 2017

[Scott Dorsey]

MG  <marcogbNO at SPAMxs4all.nl> wrote:
>Op 17-jul-2017 om 16:24 schreef John Reagan:
>> I didn't want to bother with making an account but somebody 
>> who does have one should reply to the question about NonStop 
>> porting to non-Itanium about half way down the page...  NonStop 
>> has been on x86 for several years now and performs much faster 
>> than its Itanium counterpart (partly due to a faster fabric 
>> interconnect using Infiniband)
>
>Is InfiniBand ideal though?  Maybe the faster multicore/hyper-
>threading/etc. processors these days mitigate the overhead
>issues, and perhaps NonStop is the type of platform that can
>get away with lower overall performance, since it's largely
>about so-called 'transaction availability/reliability' and
>probably I/O, too.  But, still though... efficiency would be
>something else then.

Infiniband is designed for low latency.  If what you need is the lowest
possible latency, Infiniband is likely a big win over ethernet.  If you
need fastest throughput for bulk transfers, ethernet is likely a big win
for you instead.
--scott

-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."