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RE: [Help-glpk] GLPK re-endrant

From: Michael Hennebry
Subject: RE: [Help-glpk] GLPK re-endrant
Date: Thu, 2 Jul 2009 14:16:46 -0500 (CDT)
User-agent: Alpine 1.00 (DEB 882 2007-12-20)

On Thu, 2 Jul 2009, Giampaolo Tomassoni wrote:

-----Original Message-----
From: address@hidden [mailto:help-
address@hidden On Behalf Of Michael
Sent: Thursday, July 02, 2009 5:17 PM
To: Nigel Galloway
Cc: address@hidden
Subject: Re: [Help-glpk] GLPK re-endrant

The reentrancy issue could be obviated by
running GLPK instances in separate processes.

Nevertheless, most of the software around nowadays is meant to be run by
multi-cored CPUs. So, reentrancy actually seems to me something very close
to a requisite. The GLPK team will surely have to face it ASAP.

One can run multiple processes on multi-cored CPUs.
Shared memory isn't necessarily all that great a model,
but is difficult to avoid with threads.
Separate processes with explicit message-passing
can be a lot easier to wrap one's brain around.
The lack of a common address space makes it
hard for them to tromp on each others data.

Michael   address@hidden
"Pessimist: The glass is half empty.
Optimist:   The glass is half full.
Engineer:   The glass is twice as big as it needs to be."

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