From: Samantha Atkins (samantha@objectent.com)
Date: Thu May 31 2001 - 23:29:34 MDT
Emlyn wrote:
>
> I need to ask a question at this point. There is a concept that identical
> processes are the same process. I am not sure if this applies to objects...
> If I make two structurally identical diamonds, are they the same diamond? I
> am assuming a materialist would say they are not.
No, because they are space-wise different from one another. But
for all usages of the diamond they are the same.
>
> Instead, two physical processes (?) are the same if they are identical... is
> that right? So, if I get two computers which are structurally identical, and
> run identical programs on them, is some part of each of these a physical
> process, and thus there is only one instead of two instances?
Yes and no. For failover it is common to run the same exact
processing on two or more machines. If one machine glitches out
the other is simply switched to. In a real way there is only
one [redundantly executed] "process" being run although it is
being run on two different machines.
- s.
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