Native-Dylan xml-parser lib 
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 Native-Dylan xml-parser lib

The native-Dylan xml-parser was collaborative effort of Chris Double,
Andreas Bogk, and Douglas Auclair from the Gwydion Dylan maintainers.  It is
mostly W3C-compliant (including proper handling of ENTITY and DOCTYPE
definition tags) and allows programmer control over transformations but does
not validate documents.  It parses hamlet.xml in 3.20-3.25 seconds on
Functional Developer.  The test machine was Windows NT 4.0 running on 733
PIII with 128MB RAM.  The xml-parser library and supporting libraries
(notably Meta by David Lichteblau) are available in source-code form from

By way of comparison,  Computists' Research Software (CRS) Digest
( http://www.*-*-*.com/ ) announced a Common Lisp xml-parser (XMLP) that
parses hamlet.xml "in 1.7-1.8 seconds on ACL6, and on Lispworks it takes
anywhere from 2.6 to 5.2 seconds, depending on GC behavior."  XMLP uses
expat as a back-end.  "The test machine has Redhat 7 running on a 733MHz
PIII with 256MB RAM."

Neither development team had an aggressive optimization goal for their

Douglas M. Auclair

Tue, 16 Dec 2003 02:20:50 GMT  
 [ 1 post ] 

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