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From Ted Dunning <>
Subject Re: [Math] Help in debugging process
Date Fri, 11 Jun 2010 20:11:28 GMT
>From a user's point of view logging is a waste of time if it doesn't tell
them something that they need/can take action on.  Thus, I could see that a
solve might log some hints about what to do when it detects a badly
ill-conditioned input, but I would be really not happy if it logs every
pivot value that it chooses.  In general, things that work like java.math
should not log, especially if they throw exceptions anyway.  Larger scale
systems could plausibly log, but I would be very dubious.

On Fri, Jun 11, 2010 at 12:21 PM, Roman Werpachowski <> wrote:

> Depends on the performance impact. I certainly wouldn't want to
> discover that upgrading CM to new version made my code 20% slower
> because the optimizer now logs stuff I'm not interested in.

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