Jo Shields wrote: > > The problem with hyperthreading is that there's only a bare minimum of > distinct hardware - almost all resources are shared. notably, a pipeline > stall on one thread (where the pipelines on a p4 are ridiculously long) > will flufh the hyperthread's pipeline too.
Ok, two threads in the same time means that you double your chance of pipeline stall. It must be killing yourself on a P4, but what about an AMD64 ? The depth of the pipeline is still reasonable (isn't it ?). Regards -- Emmanuel Fleury Time is a great teacher, but unfortunately it kills all its pupils. -- Hector Berlioz -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]

