What to do when CoreGraphics can't handle your drawings anymore

Last updated: 12 days ago

Visualizing big amount of data can be really challenging. Once you have to draw a lot of markers on a single map or present a very complex series in a plot you can usually hit huge performance bottlenecks that CoreGraphics has.

In this talk we will go though an implementation of awarded Telegram Contest app and explore how to draw extremely intense custom controls at 60 FPS without draining a user's battery!