Batch text and line annotation rendering (!2594) · Merge requests · VTK / VTK-m

Manish Mathai requested to merge mmathai/vtk-m:optimize-annotations-speed into master Oct 02, 2021

This commit makes LineRenderer and TextRenderer to batch line and text rendering. Batching them has shown a significant speedup, especially when using CUDA.

Results from testing on a developer machine, rendering on a 1024x1024 canvas:

	Before	After	Speedup
Serial	41	41	1.00x
OpenMP	40	34	1.17x
CUDA	650	120	5.41x

Batch text and line annotation rendering

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