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http://www.openoffice.org/issues/show_bug.cgi?id=53397
Issue #:|53397
Summary:|desktop: FYI possible prelink orientated launch
|optimization
Component:|framework
Version:|680m124
Platform:|All
URL:|
OS/Version:|All
Status:|NEW
Status whiteboard:|
Keywords:|
Resolution:|
Issue type:|DEFECT
Priority:|P3
Subcomponent:|code
Assigned to:|mhu
Reported by:|cmc
------- Additional comments from [EMAIL PROTECTED] Tue Aug 16 06:26:43 -0700
2005 -------
On systems that support prelinking the attached soffice launch script and custom
launchers which take advantate of the pagein-* list of libraries results in a
measurable launch-time improvement.
Making a libsoffice.so with the contents of soffice.bin which also links to the
contents of pagein-common, and then a swriter.bin (etc) which links to this and
the additional contents of pagein-writer and making the soffice script run the
appropiate launcher and then putting an exit(0) on the callback from the
toplevel frame map to screen I get the following comparative results on
prelinked launchers...
time /opt/openoffice.org/program/soffice -writer
before:
runtime linker statistics:
total startup time in dynamic loader: 40942538 clock cycles
time needed for relocation: 2178365 clock cycles (5.3%)
number of relocations: 0
number of relocations from cache: 9877
number of relative relocations: 0
time needed to load objects: 37853094 clock cycles (92.4%)
runtime linker statistics:
final number of relocations: 39318
final number of relocations from cache: 98990
real 0m4.056s
user 0m2.868s
sys 0m0.504s
after:
runtime linker statistics:
total startup time in dynamic loader: 60944357 clock cycles
time needed for relocation: 2654702 clock cycles (4.3%)
number of relocations: 0
number of relocations from cache: 2213
number of relative relocations: 0
time needed to load objects: 57179874 clock cycles (93.8%)
runtime linker statistics:
final number of relocations: 11963
final number of relocations from cache: 21417
real 0m2.813s
user 0m1.720s
sys 0m0.336s
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