On Fri, Oct 23, 2009 at 11:33, John Campbell <[email protected]> wrote:
> I *think* the "Universal" binaries for Mac OS X between the PowerPC > and x86 architectures have two copies of the code [...] Correct. Quoting wikipedia (http://en.wikipedia.org/wiki/Universal_binary) : "Universal binaries typically include both PowerPC<http://en.wikipedia.org/wiki/PowerPC>and > x86 <http://en.wikipedia.org/wiki/X86_architecture> versions of a compiled > application. The operating > system<http://en.wikipedia.org/wiki/Operating_system>detects a universal > binary by its header, and executes the appropriate > section for the architecture in use. This allows the application to run > natively on any supported architecture, with no negative performance impact > (beyond an increase in the storage space taken up by the larger binary)." > Regards, Dominic Coulombe ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
