Mercurial > hg
annotate contrib/plan9/9mail @ 50400:95acba2c29f6
encoding: avoid quadratic time complexity when json-encoding non-UTF8 strings
Apparently the code uses "+=" with a bytes object, which is linear-time, so the
whole encoding is quadratic-time. This patch makes us use a bytearray object,
instead, which has a(n amortized-)constant-time append operation.
The encoding is still not particularly fast, but at least a 10MB file
takes tens of seconds, not many hours to encode.
author | Arseniy Alekseyev <aalekseyev@janestreet.com> |
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date | Mon, 06 Mar 2023 11:27:57 +0000 |
parents | 4bfd3c7160d9 |
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rev | line source |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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1 #!/bin/rc |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
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2 # 9mail - Mercurial email wrapper for upas/marshal |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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3 |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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4 fn usage { |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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5 echo >[1=2] usage: mercurial/9mail -f from to [cc] |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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6 exit usage |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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7 } |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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8 |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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9 from=() |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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10 cc=() |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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11 to=() |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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12 |
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Jeff Sickel <jas@corpus-callosum.com>
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13 switch($1){ |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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14 case -f |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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15 from=$2 |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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16 case * |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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17 usage |
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9mail: new script to add support for Plan 9 upas/marshal email wrapper
Jeff Sickel <jas@corpus-callosum.com>
parents:
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18 } |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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19 |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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20 to=($3) |
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Jeff Sickel <jas@corpus-callosum.com>
parents:
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21 if(~ $#* 4) |
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Jeff Sickel <jas@corpus-callosum.com>
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22 cc=(-C $4) |
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parents:
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23 |
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Jeff Sickel <jas@corpus-callosum.com>
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24 upasname=$from |
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Jeff Sickel <jas@corpus-callosum.com>
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25 upas/marshal $cc $to |
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26 |