<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Dan found this link <a href="https://msdn.microsoft.com/en-us/library/ee301648(v=sql.105).aspx" class="">https://msdn.microsoft.com/en-us/library/ee301648(v=sql.105).aspx</a><div class=""><br class=""></div><div class="">It’s really interesting, I wish I could ask them questions :) </div><div class="">Some good use of flagging to keep things like points small. We come out slightly larger, I think, because of padding to keep the coordinates double aligned.</div><div class="">They do not appear to bother with alignment. Maybe because they expect to always be on x86 architectures and others that don’t fault on unaligned access? Though there’s still a (theoretical) performance penalty to unaligned access even on x86.</div><div class=""><br class=""></div><div class="">P.</div></body></html>