On Tue, 28 Jun 2011 04:18:55 +0200 Reimar Grabowski <reimg...@web.de> wrote:
> On Mon, 27 Jun 2011 18:41:46 -0500 > Andrew Brunner <andrew.t.brun...@gmail.com> wrote: > > > This is relatively new theory which required low-level CPU code to > > perform such locks. This was never needed until the introduction of > > multi-core systems. > > Excuse my ignorance but what is different on multi-core systems compared to > multi-processor systems which are around for quite some time? They used a more conservative cache system. A write automatically invalidated the cache of the other cpus. Mattias -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
