simh simulation speed

From: Zane H. Healy <>
Date: Mon Sep 27 15:23:07 2004

> I haven't had a chance to get back and debug, but is it true that simh
> does NOT simulate the target machine's execution speed? I wrote a simple
> 'sum all words in track N' program for the LGP and it completed as soon
> as I hit return! It should have taken many seconds... I did RTFM, so no
> reference to it, but I haven't had time to go look at the source. Got
> lazy and decided to post instead of research (typical, huh :-)

This is typical for most emulators, SIMH runs as fast as it can. For a lot
of things, this is the best behavior, but for software that somehow ties to
the speed of the computer it is running on, it's a bad thing.

Received on Mon Sep 27 2004 - 15:23:07 BST

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