On Thu, 18 Sep 2008, Kevin Jackson <[EMAIL PROTECTED]> wrote: >> The tests are not through yet, but one thing was so surprising to >> me that I wanted to show it upfront: >> >> Running the matchall target (of sr/etc/performance/dirscanner.xml): >> >> Ant 1.6.5 1 min 30 s ~ 19 MB >> Ant 1.7.0 3 min 53 s ~ 24 MB >> Ant 1.7.1 10 s ~ 14 MB >> >> So 1.7.0 took more than twice as long as 1.6.5 to find all files in >> a big directory tree without any patterns and 1.7.1 is a whole lot >> faster than even 1.6.5. > > That's a huge difference - what are we doing now in 1.7.1 that is > different from before?
Jesse's changes in svn rev 581748 are the major contributor here, where he reduced the number of File.isDirectory/list calls and thus the number of OS syscalls. I'm currently testing something that will be committed in a few minutes and that runs the same test in 6 seconds 8-) Stefan --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
