arlukin

time 1.6452050209  --- d4 = d1.copy(); d4.update(d2), d4.update(d3) 
time 1.69228887558 --- d4 = dict(d1, **d2); d4.update(d3) 
time 1.78650903702 --- d4 = {}; d4.update(d1); d4.update(d2), d4.update(d3) 
time 1.92449307442 --- d4 = {} for d in (d1, d2, d3): d4.update(d) 
time 2.00036215782 --- d4 = dict(d1, **d2); d5=dict(d4, **d3) 
time 2.04427695274 --- d4 = dict(d1) for d in (d2, d3): d4.update(d) 
time 2.68033099174 --- d4 = reduce(lambda x,y: dict(x, **y), (d1, d2, d3)) 
time 3.72226691246 --- d4 = dict(chain(*[d.iteritems() for d in (d1, d2, d3)])) 
time 4.01872420311 --- d4 = dict(d1.items() + d2.items() + d3.items()) 
time 4.07779598236 --- d4 = dict(chain.from_iterable(d.iteritems() for d in (d1, d2, d3))) 

jonasbits

import time
import sys
import os

import ctypes

ES_CONTINUOUS        = 0x80000000
ES_AWAYMODE_REQUIRED = 0x00000040
ES_SYSTEM_REQUIRED   = 0x00000001
ES_DISPLAY_REQUIRED  = 0x00000002

derekwyatt

#!/bin/bash

command="$1"
shift
fileSpec="$@"
sentinel=/tmp/t.$$

touch -t197001010000 $sentinel
while :
do