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Still 4x slower than sbcl. And lot of threading problems, thread-unsafe hashes and symbols all over.

A proper C++ ffi for CL with a good clbind and GPU binding would probably help him better than this monster.

"A proper C++ ffi for CL with a good clbind" is easy to say but much harder to implement - no one but I have achieved it and I had to implement a Common Lisp to achieve it. It's not just calling functions and translating arguments and return values that is difficult. The much harder problem is unwinding the stack over C++ frames that use RAII.

You should pitch the idea to him, I think he'd probably respond favorably considering how important the biochemistry topic is.

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