Python 程序执行时间分析器 Chronic

• 授权协议: BSD
• 开发语言: Python
• 操作系统: 跨平台
• 软件首页: https://github.com/davidcrawford/chronic
• 软件文档: https://github.com/davidcrawford/chronic

软件介绍

Chronic 介于简单的定时器和分析器。通过添加修饰符或包装代码语句来获得程序执行时间。Chronic 跟踪调用层次结构来告诉你时间块内执行其他的块。附加一个事件侦听器来记录你想要的时间。

示例代码：

import chronic
from pprint import pprint


@chronic.time
def time_one():
    pass


@chronic.time
def time_two():
    with chronic.Timer('block2'):
        print chronic.stack
        # ('time_two', 'block2')
    pprint(chronic.timings)
    # prints local view of timings
    # {'block2': {'average_elapsed': 1.0967254638671875e-05,
    #             'count': 1,
    #             'total_elapsed': 1.0967254638671875e-05}}

with chronic.Timer('block1'):
    time_one()

pprint(chronic.timings)


def print_done(elapsed, timings, stack):
    print stack
    pprint(timings)

time_one()
chronic.post_timing.connect(print_done)
time_one()
# []
# 9.5367431640625e-07
# {'average_elapsed': 9.5367431640625e-07,
#  'count': 2,
#  'total_elapsed': 1.9073486328125e-06}
chronic.post_timing.disconnect(print_done)


time_two()
# ['time_two', 'block2']
# {'block2': {'average_elapsed': 5.9604644775390625e-06,
#             'count': 1,
#             'total_elapsed': 5.9604644775390625e-06}}

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