Lazy8s said:It's not technology which ultimately limits a chip's maximum potential for performance; it's the balancing of the design for programmer usability as mentioned previously. Typical PC processors could've easily been designed to have higher theoretical performance by using their silicon budget for lots of parallel computing units and pipelines, but it was thought better to use those transistors for features and constructs which make programming more intuitive and therefore make the performance more effective.
and that way lies a dead end with too much eifficiency being lost to heat. with conventional PC structure, each iteration gets stronger by putting in more transistors and thereby upping the clockspeed. more transistors dissipate more heat, and waste more power, and even use greater and greater power just to operate. not to mention, the tunneling limit of Silicon looms near. thats why sony and MS, and intel are looking for alternative designs. sony and MS went the parallel processing route and intel has their M-platform.
i think perhaps you're talking about MMX and P4's hyper threading, but those are stop gap solutions rather than a next gen solution.
Lazy8s said:Sony's design philosophy has been focused on maximum potential more than that of typical PC processors, so their chips aren't balancing in progammer usability as much. As mentioned earlier, this should give them a paper tiger with a loud roar before resulting in a backlash over the smaller real-world difference.
hmm, both Xenon and PS3 architecture have been built with similar philosophy, multiple CPU cores, unified memory architecture (for xenon anyway, from what i recall from the schematics), huge pipelines. basically both are playgrounds for devs, and they are free to play there as they wish.