aeson / benchmarks /

#!/usr/bin/env python

import os, re, subprocess, sys

result_re = re.compile(r'^\s*(\d+) good, (\d+\.\d+)s$', re.M)

def run(count, filename):
    print '    %s :: %s times' % (filename, count)
    p = subprocess.Popen(['./AesonParse', str(count), filename],
    output =
    m =
    if not m:
        print >> sys.stderr, 'run gave confusing output!?'
    good, elapsed = m.groups()
    good, elapsed = int(good), float(elapsed)
    st = os.stat(filename)
    parses_per_second = good / elapsed
    mb_per_second = st.st_size * parses_per_second / 1048576
    print ('      %.3f seconds, %d parses/sec, %.3f MB/sec' %
           (elapsed, parses_per_second, mb_per_second))
    return parses_per_second, mb_per_second, st.st_size, elapsed

def runtimes(count, filename, times=1):
    for i in xrange(times):
        yield run(count, filename)

info = '''
json-data/twitter1.json   60000
json-data/twitter10.json  13000
json-data/twitter20.json   7500
json-data/twitter50.json   2500
json-data/twitter100.json  1000
json-data/jp10.json        4000
json-data/jp50.json        1200
json-data/jp100.json        700

for i in info.strip().splitlines():
    name, count = i.split()
    best = sorted(runtimes(int(count), name, times=3), reverse=True)[0]
    parses_per_second, mb_per_second, size, elapsed = best
    print ('%.1f KB: %d msg\\/sec (%.1f MB\\/sec)' %
           (size / 1024.0, int(round(parses_per_second)), mb_per_second))
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