Enable caching of strxfrm() results also for readonly SVs as
authorMarcus Holland-Moritz <mhx-perl@gmx.net>
Fri, 15 Feb 2008 17:00:15 +0000 (18:00 +0100)
committerMarcus Holland-Moritz <mhx-perl@gmx.net>
Mon, 18 Feb 2008 18:12:12 +0000 (18:12 +0000)
commit16ec96eb5a252a78470d4a52a2fa7fe6fa01f72e
treeb15245c644e69b18fd1f4025de43fcda7de3b18b
parent788c0c32a9bfe0457b76c2d26bb262e9bad5fe87
Enable caching of strxfrm() results also for readonly SVs as
returned e.g. by "keys %hash". This speeds up sorting of lots
of hash keys significantly. See also:

Subject: Slowdown of "sort keys %hash" under "use locale"
Message-ID: <20080215170015.72f6160d@r2d2>

p4raw-id: //depot/perl@33334
sv.c