[Python-ideas] RFC: PEP: Add dict.__version__

[Chris Angelico]

On Mon, Jan 11, 2016 at 2:28 AM, Eric Fahlgren <ericfahlgren at gmail.com> wrote:
> Steven D'Aprano Saturday, January 09, 2016 19:32:
>> I think that's pessimistic and unrealistic. If Python were twice as fast
> as it is now, it would mean that scripts could process twice as much data in
> the same time as they do now. How is that not meaningful?
>>
>> Sometimes I work hard to get a 5% or 10% improvement in speed of a
> function, because it's worth it. Doubling the speed is something I can only
> dream about.
>
> Often when I hear people complain about "tiny" improvements, I change the
> context: "Ok, I'm going to raise your salary 5%, or is that too small and
> you don't want it?"  Suddenly that 5% looks pretty good.

Although realistically, it's more like saying "If you put in enough
overtime, I'll raise by 5% the rate you get paid for one of the many
types of work you do". Evaluating that depends on what proportion of
your salary comes from that type of work.

5% across the board is pretty good. 5% to one function is only worth
serious effort if that's a hot spot. But broadly I do agree - 5% is
significant.

ChrisA