# CuArray + GLMakie

**URL:** <https://discourse.julialang.org/t/cuarray-glmakie/52461>\
**Category:** Visualization\
**Tags:** plotting\
**Created:** [December 27, 2020, 3:37pm UTC](https://discourse.julialang.org/t/cuarray-glmakie/52461 "2020-12-27T15:37:13Z")\
**Posts on this page:** 1\
**Showing post:** 9

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**Author:** ![sdanisch](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/sdanisch/32/1406_2.png) [@sdanisch](https://discourse.julialang.org/u/sdanisch)\
**Post date:** [April 1, 2022, 4:14pm UTC](https://discourse.julialang.org/t/cuarray-glmakie/52461/9 "2022-04-01T16:14:45Z")

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> When tracing with NSight, I didn’t see any copies to CPU memory

Does that trace OpenGL Buffer copies? The OpenGL backend can’t render separated x, y buffers, so if the plot produces an output, it should copy it to CPU…

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