[Ecls-list] Critical change

Juan Jose Garcia-Ripoll jjgarcia at users.sourceforge.net
Sat Jan 26 13:30:16 UTC 2008

 - In interpreted functions, blocks are only created when used. The current
   algorithm for detecting unused blocks is inefficient, with a performance
   penalty 2^{# unused blocks}, but this seems to pay off when running the
   interpreted code, due to decreased consing
	> (defun foo () )
	> (time (dotimes (i 100000) (foo)))
	real time : 0.045 secs
	run time  : 0.048 secs
	gc count  : 1 times
	consed    : 160 bytes
   Formerly, this would cons 3200192 bytes.

Tag: (CVS 2008-01-26 14:29)

Facultad de Fisicas, Universidad Complutense,
Ciudad Universitaria s/n Madrid 28040 (Spain)

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