This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Invsqrt.svg en graph showing the difference between the heuristic Fast Inverse Square Root and the inversion of square root supplied by libstdc Note logscale on both axes de Ein Graph der die Unterschiede zwischen der Fast Inverse Square Root Heuristik und dem Inversen der Quadratwurzel aus libstdc zeigt Man beachte die logarithmische