Hi, I use Ubuntu 10.10 on Core i7 machine which Hyper-Threading (HT) is enabled.
Recently I noticed that the pose-mode repeatedly get into busy waiting if OpenMP is enabled. Such busy waiting badly disturb our operations. Perhaps this issue is the same as bugs [#20467] [#20553] [#21344] etc. By default, OpenMP uses the threads of the same number as logical cores, but this behavior definitely causes thread conflicts on HT enabled CPU. We can avoid this problem by setting the number of physical cores to an environment variable OMP_NUM_THREADS: $ OMP_NUM_THREADS=4 blender But I think the number of threads should be configurable at the User Preferences window. Probably the implementation is easy. Thanks, IRIE _______________________________________________ Bf-committers mailing list Bf-committers@blender.org http://lists.blender.org/mailman/listinfo/bf-committers
