[Bf-blender-cvs] CVS commit: blender/source/blender/python/api2_2x matrix.c vector.c vector.h

[Campbell Barton]

campbellbarton (Campbell Barton) 2006/10/03 07:11:34 CEST

  Modified files:
    blender/source/blender/python/api2_2x matrix.c vector.c 
                                          vector.h 
  
  Log:
  Mathutils.Vector speedup
  removed the need for casting python objects to Vectors pyobjects when performing vec/float arithmatic.
  a PyObject for coercing has also been removed from the vector struct so a little less memory will be used also.
  
  Benchmarked before and after this change
  ___________________________________
  import Blender
  v= Blender.Mathutils.Vector
  m= Blender.Mathutils.Matrix
  
  a= v(1,2,3)
  b= v(3,2,1)
  c= m()
  t= Blender.sys.time()
  for i in xrange(20000000):
          a*b
          a*10
          a/10
          a+b
          b-a
          a*c
  
  print Blender.sys.time()-t
  _______________________________________
  
  Before 63.5sec
  after 49.5
  
  about 3 sec of that is looping
  
  Revision  Changes    Path
  1.41      +5 -3      blender/source/blender/python/api2_2x/matrix.c
    <http://projects.blender.org/viewcvs/viewcvs.cgi/blender/source/blender/python/api2_2x/matrix.c.diff?r1=1.40&r2=1.41&cvsroot=bf-blender>
  1.40      +150 -147  blender/source/blender/python/api2_2x/vector.c
    <http://projects.blender.org/viewcvs/viewcvs.cgi/blender/source/blender/python/api2_2x/vector.c.diff?r1=1.39&r2=1.40&cvsroot=bf-blender>
  1.20      +1 -2      blender/source/blender/python/api2_2x/vector.h
    <http://projects.blender.org/viewcvs/viewcvs.cgi/blender/source/blender/python/api2_2x/vector.h.diff?r1=1.19&r2=1.20&cvsroot=bf-blender>