Fix #34921: cycles rendered a specific scene with a small high poly object contained in a large low poly object very slow, due to failure case of fast multithread BVH binning. Tweaked parameter now to avoid this.
Fix #34921: cycles rendered a specific scene with a small high poly object
contained in a large low poly object very slow, due to failure case of fast
multithread BVH binning. Tweaked parameter now to avoid this.

tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,pyrochlore/cycles,pyrochlore/cycles,tangent-opensource/coreBlackbird,pyrochlore/cycles