author | Yuya Nishihara <yuya@tcha.org> |
Sat, 18 Mar 2017 20:11:15 +0900 | |
changeset 31518 | 43d6ef658874 |
parent 29014 | f1ca249696ed |
child 32940 | 75be14993fda |
permissions | -rw-r--r-- |
29014
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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#require no-pure |
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
diff
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A script to generate nasty diff worst-case scenarios: |
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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$ cat > s.py <<EOF |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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> import random |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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> for x in xrange(100000): |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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> if random.randint(0, 100) >= 50: |
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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> x += 1 |
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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> print hex(x) |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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> EOF |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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$ hg init a |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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$ cd a |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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Check in a big file: |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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$ python ../s.py > a |
f1ca249696ed
bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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$ hg ci -qAm0 |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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Modify it: |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
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$ python ../s.py > a |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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Time a check-in, should never take more than 10 seconds user time: |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
parents:
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27 |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
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$ hg ci --time -m1 |
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bdiff: balance recursion to avoid quadratic behavior (issue4704)
Matt Mackall <mpm@selenic.com>
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time: real .* secs .user [0-9][.].* sys .* (re) |