Matlab is quite a HLL, and it benefits a lot from GPUs. LabView is a HLL too, obviously. Not to mention numerous DSLs (also pretty high level) running on GPUs

Matlab is quite a HLL, and it benefits a lot from GPUs. LabView is a HLL too, obviously. Not to mention numerous DSLs (also pretty high level) running on GPUs (e.g., I'm running a derivative of the OpenSCAD language on a GPU, for a fast and precise slicing). As HLL as it gets.