[Edu-sig] Properties use case

Laura Creighton lac at strakt.com
Tue Mar 21 19:48:34 CET 2006

have you tried using Psyco?
Then you get to write your code in a naive, straightforward
fashion, and then you get something that runs nearly as fast.
Plus no headaches from having to write your code inside out,
like numeric makes you do, all too often.

Laura, sold on it,

In a message of Tue, 21 Mar 2006 11:57:16 EST, Arthur writes:
>> >From: Michael Tobis [mailto:mtobis at gmail.com] 
>> >
>> >Note that when you stray from pure python you shrink your 
>> >user base and complicate your support issues substantially.
>> >
>Haven't had the opportunity to code much anew, but am still replaying to
>myself where I am with these issues, and in the context of the discussion
>When Kirby mentioned that he was not using Numeric for the purposes of hi
>pedagogical approach to programming and numerics, I said - right on, why
>would you unless it was necessary. More transparency.
>And so realizing that 
>a) my objectives are most fundamentally pedagogical  
>b) Numeric is not playing nice with me at the moment 
>c) I am only using 1% of the capacity of Numeric to do heavyweight array
>d) When I look  into the code that Numeric needs to use to talk to - say 
>laplack, we begin to approach *my* definition of creepy.
>e) """Note that when you stray from pure python you shrink your 
>   user base and complicate your support issues substantially."""
>For example, numpy's documentation is not free, at the moment.
>I am of course thinking whether I have been knee-jerk in bringing Numeric
>into play as a fundamental tool for my application.
>Which I why I then move on to trying to get serious about gaining some
>profiling skills.  Gain some intelligence about the trade-offs of doing t
>kind of simple linear algebra my application requires in pure Python, ver
>what I may gaining by the creepy calls to laplack.
>Judgment calls need to be made in the end, but I take them seriously enou
>to want them to be informed judgment calls.  
>No conclusions as yet.
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