teepark

# The following lines were added by compinstall
zstyle :compinstall filename '/home/travis/.zshrc'

autoload -Uz compinit
compinit
# End of lines added by compinstall
# Lines configured by zsh-newuser-install
HISTFILE=~/.histfile
HISTSIZE=5000
SAVEHIST=1000

teepark

from struct import pack, unpack

def encode(ip_address):
    return unpack('i', ''.join([pack('B', int(sub)) for sub in ip_address.split('.')]))[0]

def decode(packed_address):
    return '.'.join(['%d' % unpack('B', sub)[0] for sub in pack('i', packed_address)])

teepark

(pyyajl) 0 bromium[1044]:~/projects/py-yajl> python compare.py
yajl        serialize: 0.442  deserialize: 1.137  total: 1.579
cjson       serialize: 0.640  deserialize: 0.265  total: 0.906
simplejson  serialize: 1.457  deserialize: 1.104  total: 2.561
stdlib json serialize: 5.951  deserialize: 17.412  total: 23.364
(pyyajl) 0 bromium[1045]:~/projects/py-yajl> deactivate; git checkout py3k; python3 compare.py
Switched to branch 'py3k'
yajl        serialize: 1.331  deserialize: 0.878  total: 2.209
stdlib json serialize: 1.291  deserialize: 1.398  total: 2.688

teepark

somehow the 3.1 branch is seeing an improvement in decoding (can't explain that), and a slowdown in encoding

python 2.6:
yajl        serialize: 0.359  deserialize: 0.442  total: 0.801
yajl        serialize: 0.359  deserialize: 0.433  total: 0.792
yajl        serialize: 0.366  deserialize: 0.434  total: 0.800
yajl        serialize: 0.363  deserialize: 0.426  total: 0.788
yajl        serialize: 0.357  deserialize: 0.437  total: 0.794
yajl        serialize: 0.364  deserialize: 0.423  total: 0.787
yajl        serialize: 0.356  deserialize: 0.420  total: 0.776

teepark

This is ApacheBench, Version 2.3 <: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 10000 requests
Completed 20000 requests
Completed 30000 requests
Completed 40000 requests
Completed 50000 requests

teepark

// subclassing AND instantiating
// (lazy lookups via prototype chain)
function clone(parent, extra) {
  var child;

  function klass() {};
  klass.prototype = parent;

  child = extra ? extend(new klass(), extra) : new klass();

teepark

__all__ = ["DEFAULT_SIZE", "cache"]

DEFAULT_SIZE = 1024


class _cachedobject(object):
    __slots__ = ["prev", "key", "value", "next"]
    def __init__(self, **kwargs):
        for k, v in kwargs.iteritems():
            setattr(self, k, v)

teepark

import functools

class TimerMiddleware(object):
    'a WSGI middleware that sends an X-Response-Time header'
    def __init__(self, app):
        self.app = app

    def start_response(self, default, start_time, status, headers):
        headers = headers[:] + [('X-Response-Time', time.time() - start_time)]
        return default(status, headers)

teepark

def bsearch(lst, item):
	bottom, top = 0, len(lst)

	while top - bottom >= 3:
		mid = (top + bottom) // 2

		c = cmp(item, lst[mid])

		if c < 0:
			top = mid

teepark

#!/usr/bin/env python
# vim: fileencoding=utf8:et:sta:ai:sw=4:ts=4:sts=4

import time

import greenhouse
import eventlet
import gevent
import gogreen.coro