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[bug-diffutils] bug#24715: Massive performance regression makes diff unu
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From: |
Andreas Schwab |
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Subject: |
[bug-diffutils] bug#24715: Massive performance regression makes diff unusable |
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Date: |
Mon, 17 Oct 2016 15:03:05 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
$ wc tmp.*
6712297 27215448 135217073 tmp.1
6712247 27215244 135216202 tmp.2
13424544 54430692 270433275 total
$ diff --version | head -1
diff (GNU diffutils) 3.3
$ time diff -u tmp.* > xx
17.023user 8.246system 0m25.335selapsed 99.74%CPU
$ diff --version | head -1
diff (GNU diffutils) 3.5
$ time diff -u tmp.* > yy
5020.640user 3.176system 83m50.461selapsed 99.86%CPU
Andreas.
--
Andreas Schwab, SUSE Labs, address@hidden
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
- [bug-diffutils] bug#24715: Massive performance regression makes diff unusable,
Andreas Schwab <=