| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
| Fri, 09 Aug 2019 13:11:27 +0200 | |
| branch | stable |
| changeset 42662 | 2c1a484ce4d4 |
| parent 39723 | 5abc47d4ca6b |
| child 44182 | 60bc043d7df7 |
| permissions | -rw-r--r-- |
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29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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1 |
#require no-pure |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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2 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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3 |
A script to generate nasty diff worst-case scenarios: |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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4 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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$ cat > s.py <<EOF |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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> import random |
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36324
57c671cf7a69
py3: use range instead of xrange in tests/test-issue4074.t
Pulkit Goyal <7895pulkit@gmail.com>
parents:
33747
diff
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> for x in range(100000): |
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29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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8 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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> if random.randint(0, 100) >= 50: |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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> x += 1 |
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33747
24849d53697d
tests: clean up many print statements to be print functions instead
Augie Fackler <augie@google.com>
parents:
32958
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> print(hex(x)) |
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29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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> EOF |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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$ hg init a |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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$ cd a |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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17 |
Check in a big file: |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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18 |
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39723
5abc47d4ca6b
tests: quote PYTHON usage
Matt Harbison <matt_harbison@yahoo.com>
parents:
36324
diff
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$ "$PYTHON" ../s.py > a |
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29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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$ hg ci -qAm0 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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22 |
Modify it: |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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23 |
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39723
5abc47d4ca6b
tests: quote PYTHON usage
Matt Harbison <matt_harbison@yahoo.com>
parents:
36324
diff
changeset
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24 |
$ "$PYTHON" ../s.py > a |
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29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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25 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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26 |
Time a check-in, should never take more than 10 seconds user time: |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
changeset
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27 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
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28 |
$ hg ci --time -m1 |
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
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29 |
time: real .* secs .user [0-9][.].* sys .* (re) |