I was seeing something which looked like the regex_timer test ran
forever on my system. Then I looked at the output file, which said
(in Emacs):
Enter expression (or "quit" to exit):
abc^M
Enter string to search (or "quit" to exit):
aaaaaaaaaaabcccccccc^M
regex time: 5.7051us
regex time (search over std::deque<char>): 9.02554us
POSIX regexec time: 4.63947us
Enter string to search (or "quit" to exit):
quit^M
regex time: 2.5351us
regex time (search over std::deque<char>): 4.56523us
POSIX regexec time: 2.91474us
Enter string to search (or "quit" to exit):
^([0-9]+)(\-| |$)(.*)$^M
regex time: 4.37793us
regex time (search over std::deque<char>): 6.29326us
POSIX regexec time: 3.95737us
Enter string to search (or "quit" to exit):
100- this is a line of ftp response which contains a message string^M
regex time: 9.04538us
regex time (search over std::deque<char>): 10.7455us
POSIX regexec time: 6.41666us
Enter string to search (or "quit" to exit):
quit^M
regex time: 2.59545us
regex time (search over std::deque<char>): 4.60837us
POSIX regexec time: 2.90528us
Enter string to search (or "quit" to exit):
quit^M
regex time: 2.52727us
regex time (search over std::deque<char>): 4.48034us
POSIX regexec time: 2.82985us
Enter string to search (or "quit" to exit):
regex time: 1.84228us
regex time (search over std::deque<char>): 3.67966us
POSIX regexec time: 2.2491us
Enter string to search (or "quit" to exit):
regex time: 1.88509us
regex time (search over std::deque<char>): 3.73977us
POSIX regexec time: 2.264us
Enter string to search (or "quit" to exit):
...
I realized that this is because I have a Cygwin installation that uses
Unix newlines, but the input test file gets checked out by my CVS with
Windows newlines. I changed the input test file to use Unix newlines
unconditionally, which seems to fix it for all my compilers. This is
my "heads-up" to you all.
--
David Abrahams
[EMAIL PROTECTED] * http://www.boost-consulting.com
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