STINNER Victor added the comment:
Tests failing because of timings is really annoying. It would be nice to add
something in test.support to configure timings. A function can maybe wait until
the system load is lower than a threshold, or we should add a parameter to
configure a tolerance between the perfect timing and the expected timing.
The tolerance can be a simple factor, a floating point number >= 1.0.
For example, replace:
0.09 <= t1-t0 <= 0.9, t1-t0
with
0.1 - 0.01 * factor <= t1-t0 <= 0.1 + 0.8 * factor
or a new test function:
check_timing(t1-t0, 0.1, 0.01, 0.8)
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Python tracker <[email protected]>
<http://bugs.python.org/issue20336>
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