According to diveintopython .extend should be faster than + since the former does not return a value. I was curious and tried
%timeit [ ]+[2] 1000000 loops, best of 3: 741 ns per loop and %timeit [ ].extend([2]) 1000000 loops, best of 3: 870 ns per loop so + actually beats .extend slightly. I got the same result when I tried that on sage online. (however %timeit only tried 625 loops instead of 10^7 loops, why?) Another puzzling thing is that b=[ ] %timeit b.extend([2]) 1000000 loops, best of 3: 801 ns per loop type(b) <type 'list'> but then when I run %timeit b+[2] 10 loops, best of 3: 88.9 ms per loop That's much slower, in fact if you simple type b and hit enter... SAGE hangs. why? --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
