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Re: hpux 10.20 and mmap everywhere
- To: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Subject: Re: hpux 10.20 and mmap everywhere
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Fri, 07 Jul 2000 12:45:22 -0600
- cc: gcc at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <200007071838.OAA05020@hiauly1.hia.nrc.ca>you write:
> The GNU gc routines will use mmap in preference to valloc if HAVE_MMAP_ANYW
> HERE
> support is available. Would the performance improvement from using mmap in
> the gc routines be worth modifying configure and the gc routines for this
> case?
Using mmap is definitely preferred. Yes, the hpux mmap is a little
different from the rest of the world. I've complained to folks writing
autoconf tests to write them to be hpux-aware on and off for years....
jeff