Re: dnscurve updates
Mark Johnson <[email protected]>
| Newsgroups | gmane.network.djbdns |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Jan 7, 2010 at 8:05 PM, Mark Johnson <[email protected]> wrote: > It seems that glibc malloc(), at least, returns only 8-byte aligned > addresses. So says the posix_memalign manpage I just consulted. For > some reason, djb seems to prefer 16-byte alignment. The manpage says something about buffers for direct block device I/O...AltiVec and SSE2 instructions require 16-byte alignment...but if I had to guess, I'd say it has to do with his tendency to try and wring every last bit of performance out of the hardware. He's an irreformable tweaker.