Performance improvements for bzr-2.4 on large trees

[Voelker, Bernhard]

Martitza Mendez wrote:

> Platform is Windows XP, 32 bits.  As close to zero load as I can get.
> Just a "DOS" shell and python.
...
> Since I am not seeing as much improvement as John, I speculate that I might
> be limited by either memory or filesystem throughput.  I will try a machine
> manufactured in this decade soon.

XP (and maybe all Windows versions?) is rather bad in memory management
and IO buffering. Therefore, I usually do e.g. 5 runs one after another
for the old and the new version of a program, and then disregard the worst
and the best result for both versions.

Have a nice day,
Berny