Commit: 574894ffb85122c8f6a03eccaf3d8387b40c0405 Author: Bastien Montagne Date: Sun May 29 20:14:42 2016 +0200 Branches: compositor-2016 https://developer.blender.org/rB574894ffb85122c8f6a03eccaf3d8387b40c0405
BKE's DerivedMesh: get rid of last OMP usage. Not replacing with some BLI_task_stuff here, tests show this is pointless (in absolute best case - i.e. single huge mesh in scene - parallelizing here switches from 0.8ms to 0.5ms for that piece of code - with something like 750ms per frame update...). =================================================================== M source/blender/blenkernel/intern/DerivedMesh.c =================================================================== diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c index a3e7e5f..bb5cc9c 100644 --- a/source/blender/blenkernel/intern/DerivedMesh.c +++ b/source/blender/blenkernel/intern/DerivedMesh.c @@ -2003,15 +2003,10 @@ static void mesh_calc_modifiers( DM_add_edge_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL); DM_add_poly_layer(dm, CD_ORIGINDEX, CD_CALLOC, NULL); -#pragma omp parallel sections if (dm->numVertData + dm->numEdgeData + dm->numPolyData >= BKE_MESH_OMP_LIMIT) - { -#pragma omp section - { range_vn_i(DM_get_vert_data_layer(dm, CD_ORIGINDEX), dm->numVertData, 0); } -#pragma omp section - { range_vn_i(DM_get_edge_data_layer(dm, CD_ORIGINDEX), dm->numEdgeData, 0); } -#pragma omp section - { range_vn_i(DM_get_poly_data_layer(dm, CD_ORIGINDEX), dm->numPolyData, 0); } - } + /* Not worth parallelizing this, gives less than 0.1% overall speedup in best of best cases... */ + range_vn_i(DM_get_vert_data_layer(dm, CD_ORIGINDEX), dm->numVertData, 0); + range_vn_i(DM_get_edge_data_layer(dm, CD_ORIGINDEX), dm->numEdgeData, 0); + range_vn_i(DM_get_poly_data_layer(dm, CD_ORIGINDEX), dm->numPolyData, 0); } } _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org https://lists.blender.org/mailman/listinfo/bf-blender-cvs