3 ms·
> My information is pretty old, but IIRC x87 still has specialized instructions for sin/cos/tan that are sometimes more performant than their equivalent impleme
by Tuna-Fish 5y ago
> My information is pretty old, but IIRC x87 still has specialized instructions for sin/cos/tan that are sometimes more performant than their equivalent implementations in SSE.
They absolutely are not. If you accept the same, crappy precision, you can do an estimate in just a few cycles instead of the 60+ that the instructions take.