[jdom-interest] Enhance performance by generating jar file with
jhunter at servlets.com
Mon Aug 25 17:15:27 PDT 2003
What are the numbers behind seeing a performance increase? On a machine
where the disk is slow but the CPU is fast I can imagine it would be
better to read compressed content. Also, in the days of fast CPUs how
much performance does it take to uncompress the classes in a 150K file?
Wolfgang Hoschek wrote:
> Would you consider generating jar files with the -0 option to store
> files in the jar file without using ZIP compression?
> Although this typically doubles the jar file size, it increases class
> loading performance (except when used in applets which are presumably
> not that important here). For example the JDK rt.jar is produced that way.
> Compatibility: The -0 option was introduced in JDK 1.2
> Also see http://java.sun.com/j2se/1.4/docs/tooldocs/solaris/jar.html
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