[TUHS] First supercomputer UNIX: The Denelcor HEP (was Early multiprocessor Unix)

steve jenkin sjenkin at canb.auug.org.au
Wed Nov 30 06:53:52 AEST 2022

Bitsavers has some files on the HEP, if anyone is interested.

The research papers are a collection of undated, probably published pieces.


> On 30 Nov 2022, at 02:54, Ron Natalie <ron at ronnatalie.com> wrote:
> BRL had commissioned the Denver Electronics Corporation (i.e., Denelcor) to build a MIMD system called the HEP, ostensibly to do fluid dynamics problems.   It was looking like the manufacturer wasn’t going to have a useful OS for it so Mike Muss did his usual thing and suggested he could put UNIX on it (he had done this twice previously with orphaned machines:  some 11/34 graphics stations that were supposed to be connected to the CDC7600 and converting the University of Illinois Arpanet Terminal Server (ANTS) to a host that could support long leaders.

Steve Jenkin, IT Systems and Design 
0412 786 915 (+61 412 786 915)
PO Box 38, Kippax ACT 2615, AUSTRALIA

mailto:sjenkin at canb.auug.org.au http://members.tip.net.au/~sjenkin

More information about the TUHS mailing list