zz: Proposed conjoined execution dims (1)

[Ted Nelson <ted@xxxxxxxxxx>]

Last week or so I mentioned that we need a d.execution.

A second dimension, as yet unnamed, could do FORK and JOIN.

Example:
\/d.execution   =>d.(fork&join)
a
b
c-d
e  f
   g
h-i
j

In this method, a triggers b triggers c and d.
 (If you want them to happen at the same time, you fork 'em.)
c triggers e, e triggers h; d triggers f triggers g triggers i.
Whichever happens first (h or i) waits for the other.

In other words, 
 OUTGOING (d to f) is a fork (by interpretation);
 INCOMING (g to i) is a JOIN (by interpretation).

I can't quite state this more exactly yet.
 Something about connecting plusward/negward after a connection...

Punch line: 
THIS HELPS VISUALIZE MULTIPLE-PROCESSOR
 SOFTWARE.

ChrzT

____________________________________________________
Theodor Holm Nelson, Visiting Professor of Environmental Information
 Keio University, Shonan Fujisawa Campus, Fujisawa, Japan
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Professorial home page http://www.sfc.keio.ac.jp/~ted/ 
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