This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: improving malloc
On Sat, Jan 05, 2013 at 04:13:34PM +0000, Joseph S. Myers wrote:
> On Sat, 5 Jan 2013, OndÅ~Yej BÃlka wrote:
>
> > If we relax alignment guarante we can reduce memory consumption more
> > by returning 8byte requests aligned only to 8 bytes.
>
> All allocations are required by ISO C to be sufficiently aligned for any
> standard type, including types larger than the size of the allocation (see
> C90 DR#075).
>
posix_memalign is not required by ISO C. One possibility is use use it
as way to get less another data. Second is not support it and update manpage
that posix_memalign is 16byte aligned not just 8.
> --
> Joseph S. Myers
> joseph@codesourcery.com
--
PEBKAC (Problem Exists Between Keyboard And Chair)