[plt-scheme] V301.5 Speed Up

From: Williams, M. Douglas (M.DOUGLAS.WILLIAMS at saic.com)
Date: Thu Feb 9 16:03:08 EST 2006

I should have thought of doing this for the first post.  Using the time
function gives:



cpu time: 18577 real time: 18632 gc time: 3615



cpu time: 9474 real time: 9681 gc time: 2002


So it is essential twice as fast.





From: plt-scheme-bounces at list.cs.brown.edu
[mailto:plt-scheme-bounces at list.cs.brown.edu] On Behalf Of Williams, M.
Sent: Thursday, February 09, 2006 1:55 PM
To: plt-scheme
Subject: [plt-scheme] V301.5 Speed Up


I downloaded V301.5 and ran some of the examples from the simulation
collection.  The speed-up is significant.  For example, on my laptop
model-2a.ss run-time (unscientifically measured wall clock time) went from
~16 seconds to ~10 seconds.  That is impressive - good work.


The simulation collection uses continuations extensively and this particular
model is also computationally intensive.




M. Douglas Williams, Ph.D.

Sr. Scientist

Science Applications International Corporation

m.douglas.williams at saic.com <mailto:m.douglas.williams at saic.com> 


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