MacbookPro mid 2016
Blender Version 2.81 (2.81 2019-09-05)
. Draw a ball with Grease pencil. Or anything basic.
. Create Mesh Plane.
. Create Particles on Plane.
. Choose Render Object. Pick Grease Pencil ball.
. Default Particle number 1000 brings my machine to a crawl. Bringing it down to 50 is sort of ok. But it's sort of missing the point...
Is this a bug? Doesn't seem like a normal behaviour.