Re: compiler writing as a career?

glen herrmannsfeldt <gah@ugcs.caltech.edu>
14 Jun 2004 17:44:45 -0400

          From comp.compilers

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From: glen herrmannsfeldt <gah@ugcs.caltech.edu>
Newsgroups: comp.compilers
Date: 14 Jun 2004 17:44:45 -0400
Organization: Comcast Online
References: 04-06-015 04-06-025 04-06-039
Keywords: jobs, practice
Posted-Date: 14 Jun 2004 17:44:45 EDT

(snip)


> [My rule of thumb is that the first 90% of the work takes the first
> 90% of the time, and the other 90% of the work takes the other 90%
> of the time. -John]




I always think of it as Brooks's Law, but the real Brooks's Law
seems to be:


        "Adding manpower to a late software project makes it later."


I always thought that the 90% plus 90% quote also came from
Brooks's "Mythical Man Month", but I can't find it there.


Does anyone know the origin of this quote?


The way I remember it is that writing software takes the
first 90% of the time and debugging it takes the second 90%.


-- glen


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