[ale] Thread safe coding, Java or C

Dustin Strickland dustin.h.strickland at gmail.com
Sat Jul 20 00:45:44 EDT 2013


Sorry; having programmed quite a bit in Python, I forgot that it might not
be common knowledge. Honestly, my statement was a bit of an
over-simplification. It really depends on what you're doing and how well
you know the performance bottlenecks, including which libraries you can use
to speed things along - but that applies with any language, whether
interpreted or compiled. Please remember, I'm not claiming that Python is *as
fast as* C.

From
http://stackoverflow.com/questions/6964392/speed-comparison-with-project-euler-c-vs-python-vs-erlang-vs-haskell
:

C: 100%
> python: 692% (118% with pypy)
> erlang: 436% (135% thanks to RichardC)
> haskell: 1421%


The general consensus is that, for most purposes(considering the hardware
of today), Python isn't too much more resource-hungry than a C program that
does the same thing, and is considerably faster than other interpreted
languages. Personally, I can see several points in the script he generated
those times from(using range() instead of xrange(), etc.) that cause
unnecessary CPU usage, so the 692% figure when compared with C isn't quite
right.

With that in mind, you're probably not going to be writing highly optimized
programs in Python anyway; that's just not what it was designed for.


On Sat, Jul 20, 2013 at 12:13 AM, James Sumners <james.sumners at gmail.com>wrote:

>
>
> On Saturday, July 20, 2013, Dustin Strickland wrote:
>
>> Ew, Java... How about Python? It's almost as effecient as C code, and has
>> a decent built-in library for threads.
>>
>
> You're going to have to support at least the first part of that statement
> with some evidence.
>
>
> --
> James Sumners
> http://james.roomfullofmirrors.com/
>
> "All governments suffer a recurring problem: Power attracts pathological
> personalities. It is not that power corrupts but that it is magnetic to the
> corruptible. Such people have a tendency to become drunk on violence, a
> condition to which they are quickly addicted."
>
> Missionaria Protectiva, Text QIV (decto)
> CH:D 59
>
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