[Simh] The Throttle

[Andrew Balaam]

There is nothing wrong with Fortran 77! I remember the days when Fortran 
compilers on other platforms used to boast VAX extensions to give them 
some street cred!

Unfortunately, most of the bill paying work I do is in C (or, heaven 
forbid c++) - but over the years I have come to appreciate that C is a 
bit wooly in its definition, and quite dangerous if you move between 
platforms and natural word sizes.

Andrew.

>>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<

On 27/04/06, 03:17:11, Villy Madsen <Villy.Madsen at shaw.ca> wrote regarding 
[Simh] The Throttle:


> Another status report and a request....

> Status

> Finally got a chance to test it out on an XP2 machine (3 ghz with hyper
> turned off).
> Turns in 10 to 13 VUPs.

> Tweeked the throttling some more, and built in a self learning 
capability.
>  On startup the performance monitor running on the vax will search for 
the
> .5 VUP point and never go below that point.  On the 3g XP box, that point
> doesn't even show any cpu utilization.  Unfortunately that isn't linear
> <G>.

> It seems nice and responsive, ramping up quickly and ramping down almost 
as
> fast....

> I'm going to clean up the code and hopefully post it this week for 
download
> on my VAX web site <G>.

> Now the assist.  What program can I use to compare my mangled sources
> against the original and identify the changes...

> Something easy please - I'm still stuck in the Fortran 77 days....

> Thanks!!

> Villy Madsen
> www.members.shaw.ca/villy.madsen


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