Hi Caolon,
is this rather dramatic improvement because of using gcc4.0.1 and its
enhanced support for optimizing visibility==hidden symbols?
Kay
(see http://www.nedprod.com/programs/gccvisibility.html for details)
Caolan McNamara wrote:
I thought I'd try and compare OpenOffice.org 1.1.X and 2.0 startup
times, so with a rough and ready harness of
date +%S:%N && swriter
with a gettimeofday in metacity's "meta_window_new_with_attrs" to
measure time from launch to the appearance of the splashscreen and then
the arrival of toplevel writer frame. Run four times in a row, throw
away 1st results, average the remainder. Tests run on my rawhide dell
latitude d800 laptop.
rawhide (fc5) 1.9.128-2: gcc 4.0.1, -Os, visibility enabled, prelinked,
libsoffice.so linked to pagein-common contents, custom swriter.bin
linked to pagein-writer contents and libsoffice.so. Dependancies
satisfied by system libs where possible rather than internal copies.
0.748 seconds from launch to splashscreen
2.529 seconds from launch to writer frame
upstream www.openoffice.org rpms 1.9.128: gcc 3.4.3 (i think ?), -Os,
visibility enabled, Dependancies satisfied by internal copies where
possible rather than system libs.
1.363 seconds from launch to splashscreen
3.983 seconds from launch to writer frame
fc3 1.1.3-11: gcc 3.4.3, -O1. Dependancies satisfied by system libs
where possible rather than internal copies.
1.455 seconds from launch to splashscreen
4.558 seconds from launch to writer frame
C.
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