[Info-vax] Some questions on software for VMS 7.3 VAX

[Johnny Billquist]

On 2016-01-28 07:00, lists at openmailbox.org wrote:
> On Thu, 28 Jan 2016 00:19:22 +0100
> Johnny Billquist via Info-vax <info-vax at rbnsn.com> wrote:
>
>> On 2016-01-27 17:45, lists at openmailbox.org wrote:
>>> Actually I have a few boxes running and I forgot I was running SIMH on
>>> one of my slowest ones... I'll post the timings later but they're a lot
>>> worse than what you're seeing. I'll try testing on a faster box.
>>
>> It might be that you need to tweak simh some. Both setting a correct
>> idle parameter, and possibly tweaking the speed of various things like
>> cpu and devices might be needed... I seem to remember if you do nothing
>> you get a rather miserable default config.
>
> I don't think that is true. As far as I know there are no settings for
> performance except if you want to slow the guest down. The default is to
> run as fast as possible. Idle is not supported on all platforms btw and
> would not affect the guest anyway, only the host.

My experience has been that idle setting affects over all performance, 
even inside the machine. But yes, it has a larger effect on the host.

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol