Meiko

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2 total messages Started by Michael Fri, 11 Sep 1992 12:36

#706

Author: Michael
Date: Fri, 11 Sep 1992 12:36

6 lines
482 bytes

Hi!

Could somebody please confirm, or otherwise, that the Meiko machines have switch chips
which do not give reproducible results?

Michael Bane

Re: Meiko

#708

Author: W.G.Day
Date: Sat, 12 Sep 1992 15:30

22 lines
1357 bytes

In article <6068@m1.cs.man.ac.uk> bane@vtx.ma.man.ac.uk writes:
>Could somebody please confirm, or otherwise, that the Meiko machines have
>switch chips which do not give reproducible results?

Do MEiKO machines have switch chips /\ do these prevent reproducible results?

Yes, MEiKO machines do have switch chips.

Yes, there probably are situations when they give different results for several
different runs of the same program with all other things fixed.

However, I did some quite extensive testing on our 70 transputer multi-user
MEiKO system and even did some of the tests (which involved 16 or sometimes
32 transputers and were both compute and communication bound) a number of
times and got invariably identical results.  Even with other people booting,
using and releasing transputers presumably at different times in different
ways.  My results were timed by looking at the transputers on-chip clock at
low priority.

>Michael Bane

Warren

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