[Bf-committers] I need help reducing RNA lookups for fcurves

Mitchell Stokes mogurijin at gmail.com
Wed Dec 7 02:48:40 CET 2011

By relying on the fact that the fcurves are ordered, I manged to come
up with this patch: http://www.pasteall.org/27119/diff.

It reduces the time the BGE spends in Blender's animation code by about 30%.

The patch basically just moves the guts of animsys_write_rna_setting()
into a new function called intern_write_rna_setting(). This allows me
to create a animsys_write_rna_setting_array() without much code
duplication. Then, the last step is to change how fcurves are iterated
in animsys_evaluate_fcurves() and to take advantage of the new
animsys_write_rna_setting_array(). Right now the old code is still
there guarded by an

#if 1

This way you can still easily switch between the new and the old code
for testing.

--Mitchell Stokes

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