Sergey Sharybin 3130f4167d Cycles: Optimization to spatial BVH build
Simple fix: release lock earlier.

Reduces spatial split build time from 96 to 53sec on the Bunny.blend
(using studio Intel for benchmark).

NOTE: Timing difference is not that spectacular when comparing numbers
with builds before memory optimization, but even then it's about 20%
faster build.
2016-04-15 14:35:42 +02:00
2016-04-15 20:36:38 +10:00
2016-04-15 20:36:38 +10:00
2013-12-24 22:57:27 +06:00
2016-01-04 14:20:48 +05:00
2010-10-13 14:44:22 +00:00
2016-02-10 00:26:12 +11:00
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841 MiB
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