[Simh] Simh execution speed improvement - about 45% improvement.

[Zane H. Healy]

> Dear friends,
> It makes me very happy that you still keeping (Open)vms alive.
> During server consolidation projects, we used the free T4 tool.
> This tool gathers information via standard availble commands and make
> various perfomance issues (and of course performance improvement) clear.
> More infomation can be found on HP site.
> http://h71000.www7.hp.com/OpenVMS/products/t4/t4_faq.html
> Hopefully this tool can help you to compare multiple performance
items(I/O,
> network, locking etc) between various versions or even between your real
> hardware and the emulated one.

Unfortunately it doesn't appear to support VAX hardware.  Though it might
provide interesting stats on a cluster configuration such as I'm considering
(OpenVMS 8.3/Alpha and OpenVMS 7.3/SIMH-VAX).

Zane