On 13.02.13 15:27, Amaury Forgeot d'Arc wrote:
2013/2/13 Lennart Regebro <email@example.com mailto:firstname.lastname@example.org>
On Wed, Feb 13, 2013 at 1:10 PM, Serhiy Storchaka <email@example.com <mailto:firstname.lastname@example.org>> wrote: > I prefer "x = '%s%s%s%s' % (a, b, c, d)" when string's number is more than 3 > and some of them are literal strings. This has the benefit of being slow both on CPython and PyPy. Although using .format() is even slower. :-)
Did you really try it? PyPy is really fast with str.__mod__, when the format string is a constant. Yes, it's jitted.
How about the .format() style: Is that jitted as well? In order to get people to prefer .format over __mod__, it would be nice if PyPy made this actually _faster_ :-)