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

[Johnny Billquist]

On 2016-01-27 17:45, lists at openmailbox.org wrote:
> On Wed, 27 Jan 2016 17:27:42 +0100
> hb via Info-vax <info-vax at rbnsn.com> wrote:
>
>> On 01/27/2016 02:50 PM, lists at openmailbox.org wrote:
>>
>> I have a rather old pc and the CPU wasn't the fastest when I bought it:
>> Athlon X2 5050e	2600 MHz. I run simh V4.0-0 Beta on Linux with the
>> emulator and the VMS disk on a usb (2.0) thumb drive.
>>
>> Startup ($ RUNEMACS until the "Welcome to GNU Emacs" screen completely
>> shows and immediately terminated emacs with ^X^C) takes 7-8 seconds
>> elapsed time - reported by VMS image accounting. The screen is updated
>> at once, no delay and I can't determine whether is painted from top to
>> bottom or right to left :-)
>>
>> Opening a C source ($ RUNEMACS [.EMACS.EMACS212_3.SRC]DIRED.C with
>> loading cc mode) and terminating emacs when the first source screen is
>> shown with ^X^C takes about 19 seconds.
>>
>> Paging through the file isn't measurable, it takes less than a second
>> per page (terminal set to 36 lines and 132 columns).
>>
>> This isn't fast but it seems acceptable for my configuration.
>
> 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.

	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