Posted by gouessej on Apr 07, 2018; 6:16pm
URL: https://forum.jogamp.org/How-to-do-Parallel-programming-using-JOGL-tp4038799p4038801.html

OpenGL in general doesn't give an explicit control on how it parallelizes the operations.

If I were you, I would look at JOCL:
http://jogamp.org/jocl/www/

Another option is the compute shader stage:
https://www.khronos.org/opengl/wiki/Compute_Shader