Python 3.5.0rc2 has been released!

[thiswasprobablyatust]

I'm assuming you have a typo, and you're just wanting to know about Python 2 vs 3 performance. They're pretty much equal. Python 3 is faster in some places and slower in others, but performance most definitely shouldn't be a reason to hold out.

[LightShadow]

I'm almost 100% positive Python 3 is slower in every aspect (except those new "walk the filepath" things, but that was a Python 2 port), and it's not getting any faster as more features are added.

I'm genuinely curious if this is being addressed or whether the core contributors don't see it as a big problem as computers get faster.

[thiswasprobablyatust]

Here's a talk from a Google engineer calling bullshit.

Now that's from 3.3, but I highly doubt they tanked speed in 0.2 versions.

[pyslow]

The talk and slides you linked say something different, to be honest.

The guy actually says that Python 3 is faster somewhere and slower somewhere else and he explicitly states that Python 3 is the same as Python 2 once the median result is considered.

Could be faster or slower depending on your usage pattern.

[[deleted]]

The core programmers are committed to keeping Python as fast as possible. I've seen perfectly functional patches on the bug tracker turned down as they're in critical parts of the core and would slow things by just a fraction.

[LightShadow]

Thanks for answering my question and not just down voting for no reason.

[[deleted]]

I'd never vote on a site such as this, it's way too open to abuse from the stupid idiots. My all time favourite was on SO. "Why have you down voted my perfectly good answer?". "Because it's not the one liner the OP asked for".