re0312 0f27500e46 Improve par_iter and Parallel (#12904) ... # Objective - bevy usually use `Parallel::scope` to collect items from `par_iter`, but `scope` will be called with every satifified items. it will cause a lot of unnecessary lookup. ## Solution - similar to Rayon ,we introduce `for_each_init` for `par_iter` which only be invoked when spawn a task for a group of items. --- ## Changelog - added `for_each_init` ## Performance `check_visibility ` in `many_foxes `  ~40% performance gain in `check_visibility`. --------- Co-authored-by: James Liu <contact@jamessliu.com>		2024-04-23 12:05:34 +00:00
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src	Improve par_iter and Parallel (#12904)	2024-04-23 12:05:34 +00:00
Cargo.toml	Clean up some low level dependencies (#12858)	2024-04-08 19:45:42 +00:00