If you get the chance, check out Aaron Hsu's work. He wrote a compiler that converts Dyalog APL to C++ for high performance stuff...I can't remember if GPU or w

If you get the chance, check out Aaron Hsu's work. He wrote a compiler that converts Dyalog APL to C++ for high performance stuff...I can't remember if GPU or what. He goes over the code in several YouTube videos and HackerNews posts. First class stuff. I think Dyalog sells it as a product.