[Info-vax] What choices are available to the OpenVMS Process Scheduler once all the CPUs are in use?

[Fred.Zwarts]

"abrsvc"  schreef in bericht 
news:2babd44a-eb5f-4d22-b8a2-f16c75fcc737 at googlegroups.com...
>
>On Wednesday, February 10, 2016 at 1:40:06 PM UTC-5, Carl Friedberg wrote:
>> I would try turning off hyper-threads. I've never seen it make more than 
>> a
>> few percent better perofrmance, and it can make things worse. Remember 
>> the
>> VAX 782 (with 2CPUs, performance, IIRC, was of order .8 VUP. Hoff will
>> remember better.
>>
>
>I remember that well.  There was an analysis tool that would indicate 
>whether or not your particular application would benefit from the 
>additional CPU.  Please note that the 782 was an ASMP machine 
>(Asynchronous) and would only benefit compute bound applications.

I remember that the A stood Asymmetric, not Asynchronous. Asymmetric, 
because I/O (and some other kernel stuff) was done by the first processor 
only. Does my memory fail?