Real-time / process control bench marks

Real-time / process control bench marks

Post by Martin Visse » Wed, 16 Mar 1994 10:26:53


As part of a in-house automation technology plan  we are intending to
evaluate prospective platforms ( probably UNIX based) for the process
control environment ( Level 3 in the ISO CIM hierarchy). ( We currently
use PDP11,VAX 11/xx 4xxx, Honewell DPS6, SGI IRIS, GEC 4xxx in these
situations).  To do this objectively we are intending to develop some
bench mark tools that could evaluate the suitably of the platform for
things like real-time task scheduling, data logging, setup calculations,
I/O throughput, operator interface etc. Is there any existing code
available that might help us test these subsystems? Preferably it should
use standard POSIX 1003.1 / SYSV/ BSD  / X11 type stuff to make it
portable, but we are keen on testing against 1003.4 compliant systems as

Regards, Martin
               : Martin Visser
      /\/\     : BHP Steel - Slab & Plate Products Division
     / / /\    : Engineering Technology - Computer Systems
    / / /  \   : PO Box 1854 Wollongong NSW 2502, AUSTRALIA
   / / / /\ \  : A.C.N. 006 476 218
   \ \/ / / /  : Phone     +61-42-753852
    \  / / /   : Fax         +61-42-757897

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1. Real-time vs real-time vs real time

When used in titles or at the start of a sentence, I suspect
it should be `Real-time' and not `Real-Time' on the grounds
that capitalization nevers occurs within a hyphenated word
except for a proper noun.

Thus one would have RtSS and not RTSS.

(Likewise, `Fault-tolerance' and not `Fault-Tolerance' ...
which would reduce FTCS to FtCS).

                        Mathai Joseph

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8. what's the exact difference between Hard Real-Time and Soft Real-Time

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10. Best Real-time Exec / Real-time OS

11. What makes a system "real-time?" (Was: Real-Time references wanted)

12. real time data collection for process control application