compute_timer_precision() - Code Metrics - ionelmc/pytest-benchmark - Measure and Improve Code Quality continuously with Scrutinizer

compute_timer_precision() D
last analyzed 2018-06-06 15:27 UTC

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Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	8
c	1
b	0
f	0
dl	0
loc	23
rs	4.7619

from time import time as timeout_timer

from .compat import XRANGE

try:
    from __pypy__.time import clock_gettime
    from __pypy__.time import CLOCK_MONOTONIC

    def monotonic():
        return clock_gettime(CLOCK_MONOTONIC)
except ImportError:
    from timeit import default_timer
else:
    default_timer = monotonic


def compute_timer_precision(timer):
    precision = None
    points = 0
    timeout = timeout_timer() + 1.0
    previous = timer()
    while timeout_timer() < timeout or points < 5:
        for _ in XRANGE(10):
            t1 = timer()
            t2 = timer()
            dt = t2 - t1
            if 0 < dt:
                break
        else:
            dt = t2 - previous
            if dt <= 0.0:
                continue
        if precision is not None:
            precision = min(precision, dt)
        else:
            precision = dt
        points += 1
        previous = timer()
    return precision


1			from time import time as timeout_timer
2
3			from .compat import XRANGE
4
5			try:
6			from __pypy__.time import clock_gettime
7			from __pypy__.time import CLOCK_MONOTONIC
8
9			def monotonic():
10			return clock_gettime(CLOCK_MONOTONIC)
11			except ImportError:
12			from timeit import default_timer
13			else:
14			default_timer = monotonic
15
16
17			def compute_timer_precision(timer):
18			precision = None
19			points = 0
20			timeout = timeout_timer() + 1.0
21			previous = timer()
22			while timeout_timer() < timeout or points < 5:
23			for _ in XRANGE(10):
24			t1 = timer()
25			t2 = timer()
26			dt = t2 - t1
27			if 0 < dt:
28			break
29			else:
30			dt = t2 - previous
31			if dt <= 0.0:
32			continue
33			if precision is not None:
34			precision = min(precision, dt)
35			else:
36			precision = dt
37			points += 1
38			previous = timer()
39			return precision
40

ionelmc / pytest-benchmark

compute_timer_precision() D last analyzed 2018-06-06 15:27 UTC

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compute_timer_precision() D
last analyzed 2018-06-06 15:27 UTC