[GRLUG] python app speed

[Matt Michielsen]

On Thu, Jul 16, 2009 at 3:43 PM, Steve Romanow <slestak989 at gmail.com> wrote:

> Michael Mol wrote:
> > On Thu, Jul 16, 2009 at 10:36 AM, Ben DeMott<ben.demott at gmail.com>
> wrote:
> >
> >> Should be typed.... Java and .Net are measurably slower than Python,
> >> especially Java, and especially in real world applications.
> >>
> >
> > Um, as a guy who pays attention to different languages and their
> > capabilities, may I recommend we avoid falling into an argument of
> > which language has been measured to be faster than another?
> >
> > A number of factors will affect how an application written for one
> > language will perform compared to that same application written for
> > another, and most of these factors are in fact controllable and
> > tunable by the sufficiently savvy developer.  Everything from being
> > aware of low-level constructs to being aware of the behavior of GC to
> > "syntactic sugar" that lets compilers and JIT optimizers do a better
> > job at reducing a high level concept into an efficient sequence of
> > low-level concepts.
> >
> > In short, tuning is key. If you write your code strictly from a
> > program flow standpoint, and if you don't consider what's going on at
> > the next level down, you're not going to get the performance you can,
> > and you're not going to recognize when some weird construct or pattern
> > of behavior in your code is causing the problems.
> >
> >
> What is GC?  I do not know that acronym.  I think what I am centering on
> is the speed of development and maintenance.  As far as end user app
> speed is concerned, as long as it is acceptable I choose maintainability.
>

Garbage Collection.  In managed platforms like .NET and Java, it's very
important to understand if you want to get any kind of performance out of a
"large" application.

-mm
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