On Wed, Jun 21, 2006, Nick Coghlan wrote: > Facundo Batista wrote: >> >> BTW, prove me Decimal is not fast enough, ;) > > C:\Python24>python -m timeit -s "x = 1.0" "x+x" > 10000000 loops, best of 3: 0.137 usec per loop > > C:\Python24>python -m timeit -s "from decimal import Decimal as d; x = d(1)" > "x+x" > 10000 loops, best of 3: 48.3 usec per loop > > I don't really know my definition of 'fast enough to be the basic > floating point type', but I'm pretty sure that a couple of orders of > magnitude slower isn't it. I guess I'll find out what my definition is > if the C implementation manages to get there ;)
Why isn't that fast enough? Relative speed is *not* the issue when talking about real-world applications. More to the point, the expectation is that the C implementation of Decimal will have faster conversion to/from string, which in many real world applications forms a significant part of the processing load. -- Aahz ([EMAIL PROTECTED]) <*> http://www.pythoncraft.com/ "I saw `cout' being shifted "Hello world" times to the left and stopped right there." --Steve Gonedes _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
