thousands of raycasts in nested for loop

hi, i wanted to know what’d be the best approach to get faster results than we expect now from calculating ambient occlusion for a tree.

for now we calculate in rough something like this:

 for (int i =0; i<verteciescount;i++){
   //some basic setups 
   for (int x = 0; x< sample64; x++){
     pos = vertecies[i];
     dir= randompositioninsphere+pos;
     
     //Physics.Raycast
     }
 }

tried it with batches raycastcommands,(jobs) does not increase performance very much it’s like 1.1x times faster than physics.raycast