Project

General

Profile

1
# Profiling: Times operations and provides the user with statistical information
2

    
3
import sys
4
import datetime
5

    
6
import dates
7
import format
8

    
9
class Profiler:
10
    def __init__(self, start_now=False):
11
        self.total = datetime.timedelta()
12
        if start_now: self.start()
13
    
14
    def start(self): self.start_ = dates.now()
15
    
16
    def stop(self):
17
        assert self.start_ != None
18
        self.total += dates.now() - self.start_
19
    
20
    def msg(self): return 'Took '+str(self.total)+' sec'
21

    
22
class ItersProfiler(Profiler):
23
    def __init__(self, iter_text='iteration', **settings):
24
        Profiler.__init__(self, **settings)
25
        self.iter_text = iter_text
26
        self.iter_ct = None
27
    
28
    def add_iters(self, iter_ct):
29
        if self.iter_ct == None: self.iter_ct = 0
30
        self.iter_ct += iter_ct
31
    
32
    def stop(self, iter_ct=None):
33
        Profiler.stop(self)
34
        if iter_ct != None: self.add_iters(iter_ct)
35
    
36
    def msg(self):
37
        msg = Profiler.msg(self)
38
        if self.iter_ct != None and self.iter_ct > 0:
39
            msg += ('/'+format.int2str(self.iter_ct)+' '+self.iter_text+'(s) = '
40
            +format.to_si(float(dates.total_seconds(self.total))/self.iter_ct)
41
            +'s/'+self.iter_text)
42
        return msg
(25-25/41)