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math.comb is leaking references #81306
Description
| BPO | 37125 |
|---|---|
| Nosy | @rhettinger, @mdickinson, @serhiy-storchaka, @pablogsal |
Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.
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GitHub fields:
assignee = None
closed_at = <Date 2019-06-01.20:08:35.448>
created_at = <Date 2019-06-01.16:31:17.453>
labels = ['interpreter-core', '3.8', 'tests']
title = 'math.comb is leaking references'
updated_at = <Date 2019-06-01.20:26:09.625>
user = 'https://github.com/pablogsal'bugs.python.org fields:
activity = <Date 2019-06-01.20:26:09.625>
actor = 'rhettinger'
assignee = 'none'
closed = True
closed_date = <Date 2019-06-01.20:08:35.448>
closer = 'pablogsal'
components = ['Interpreter Core', 'Tests']
creation = <Date 2019-06-01.16:31:17.453>
creator = 'pablogsal'
dependencies = []
files = []
hgrepos = []
issue_num = 37125
keywords = []
message_count = 4.0
messages = ['344185', '344187', '344214', '344220']
nosy_count = 4.0
nosy_names = ['rhettinger', 'mark.dickinson', 'serhiy.storchaka', 'pablogsal']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue37125'
versions = ['Python 3.8']
Activity
pablogsal commentedon Jun 1, 2019
./python Lib/test/bisect_cmd.py test_math -R 2:2
...
WARNING: Running tests with --huntrleaks/-R and less than 3 warmup repetitions can give false positives!
Run tests sequentially
0:00:00 load avg: 1.32 [1/1] test_math
beginning 4 repetitions
1234
....
test_math leaked [12352, 12352] references, sum=24704
test_math leaked [1, 1] memory blocks, sum=2
test_math failed
== Tests result: FAILURE ==
1 test failed:
test_math
Total duration: 663 ms
Tests result: FAILURE
ran 1 tests/2
exit 2
Tests failed: continuing with this subtest
Tests (1):
Bisection completed in 13 iterations and 0:00:11
pablogsal commentedon Jun 1, 2019
It seems that #13725 fixes the leak:
❯ ./python -m test test_math -R :
Run tests sequentially
0:00:00 load avg: 1.55 [1/1] test_math
beginning 9 repetitions
123456789
.........
== Tests result: SUCCESS ==
1 test OK.
Total duration: 26 sec 283 ms
Tests result: SUCCESS
pablogsal commentedon Jun 1, 2019
Fixed by #13725
rhettinger commentedon Jun 1, 2019
Please file this in the tracker issue so that the discussions don't sprawl. Thx.