GL_PointSize performance from https://github.com/SkyTruth/data-visualization-tools/blob/perf-test/test-gl-performance.html

gistfile1.txt

FPS and (visual) for various datasetpointsnr and gl_PointSize:

points,    size, fps
  200 000,   20,  14
  400 000,   20,   7
  600 000,   20,   5
  800 000,   20,   3
1 000 000,   20,   2
  200 000,   10,  33
  400 000,   10,  18
  600 000,   10,  12
  800 000,   10,   9
1 000 000,   10,   8
  200 000,   5,   57
  400 000,   5,   33
  600 000,   5,   24
  800 000,   5,   17
1 000 000,   5,   15
  200 000,   1,   60
  400 000,   1,   60
  600 000,   1,   51
  800 000,   1,   42
1 000 000,   1,   32