# \#subdiv

**URL:** https://forums.chaos.com/tag/subdiv/1356.md

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## [Lightcache pauses for minutes during calc](https://forums.chaos.com/t/lightcache-pauses-for-minutes-during-calc/108166)

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**Author:** [@justini](https://forums.chaos.com/u/justini)\
**Replies:** 1\
**Last updated:** [December 31, 2021, 9:42am UTC](https://forums.chaos.com/t/lightcache-pauses-for-minutes-during-calc/108166 "2021-12-31T09:42:25Z")

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Why would my lightcache be pausing during calc? After a certain number of subdivs the calc just seems to halt and CPU usage goes back down to nothing. RAM is not full and no displacement in the scene. After several minut…

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## [Ideas on making V-Ray's sampling UI more intuitive.](https://forums.chaos.com/t/ideas-on-making-v-rays-sampling-ui-more-intuitive/47987)

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**Author:** [@RockinAkin](https://forums.chaos.com/u/RockinAkin)\
**Replies:** 117\
**Last updated:** [October 29, 2014, 2:14am UTC](https://forums.chaos.com/t/ideas-on-making-v-rays-sampling-ui-more-intuitive/47987 "2014-10-29T02:14:51Z")

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This idea was born from the Understanding DMC Sampler thread - the issue came to my attention when reading through and seeing how many users (including myself at first) were having difficulty understanding how to optimiz…