#!/usr/bin/env python
#
# A simple benchmark of tornado template rendering, based on
# https://github.com/mitsuhiko/jinja2/blob/master/examples/bench.py
import sys
from timeit import Timer
from tornado.options import options, define, parse_command_line
from tornado.template import Template
define('num', default=100, help='number of iterations')
define('dump', default=False, help='print template generated code and exit')
context = {
'page_title': 'mitsuhiko\'s benchmark',
'table': [dict(a=1, b=2, c=3, d=4, e=5,
f=6, g=7, h=8, i=9, j=10) for x in range(1000)]
}
tmpl = Template("""\
{{ page_title }}
{% for href, caption in [ \
('index.html', 'Index'), \
('downloads.html', 'Downloads'), \
('products.html', 'Products') \
] %}
- {{ caption }}
{% end %}
{% for row in table %}
{% for cell in row %}
| {{ cell }} |
{% end %}
{% end %}
\
""")
def render():
tmpl.generate(**context)
def main():
parse_command_line()
if options.dump:
print(tmpl.code)
sys.exit(0)
t = Timer(render)
results = t.timeit(options.num) / options.num
print('%0.3f ms per iteration' % (results * 1000))
if __name__ == '__main__':
main()