Realized about a 10x speedup. - add benches/million-updates.rs - optimization: use rand instead of nanorand (because of thread_rng() initialization being muchf aster) - update README Signed-off-by: Stephen Waits <steve@waits.net>
Which also helped me fix a bug (using is_sign_negative() when we actually are okay with -0.0). Signed-off-by: Stephen Waits <steve@waits.net>