Win C <winsto003 at hotmail.com> writes: This is not based on theoratical caluclations, rather on experimental try and error. I ran both on ubuntu on an Intel i5, and did 750000 squares. At last mlucas did it in 10 min while gmp did it in 25 min. Ergo, 3% speed difference? You confuse me. -- Torbjörn Please encrypt, key id 0xC8601622