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Barcelona gives floating point operations their own schedulers (checkout lanes) and runs them twice as fast as 64-bit SSE did. AMD claims that Barcelona’s per-core floating point performance is more than 80 percent faster than the present Opteron. Benchmark that...
Much fuss has been made about power efficiency, but the best of x86 power saving schemes is crude. They adjust the clock speed and the operating voltage of the entire CPU, and the selection of set points is small. Barcelona keeps this technique, but builds on it with inspiration from IBM and Transmeta. Barcelona blacks out power to individual portions of the chip that are idled, from in-core execution units to on-die bus controllers. This hasn’t made it into PCs before because it’s very difficult to manage light switches for several “rooms” individually and to make sure that, like a refrigerator light, whenever a door is opened, the light is on as if it’s been burning the whole time. Power savings from these schemes are dramatic. If Barcelona lacked this feature, it would still be a green CPU.
Barcelona is a new CPU, not a doubling of cores and not extensions strapped on here and there. Get ready to be blown away long before its release, which is scheduled for midyear.
Originally posted by neonine
o no!! not something faster this stuffs going to make me go broke. i think I'm just going to not have the latest and greatest on my block any more, that or win the lotto eve two years so i can up date.
i wonder what Intel's going to come out with to rival it
[edit on 11-2-2007 by neonine]
Originally posted by Edn
lol, thats great. (the vista thing). I think ill do the same if anyone asks me to install Vista.
Intel will come up with a similar CPU eventually but it will be more expensive.
I dont think ill be getting a new CPU for some time but when I do it will probably be an AMD.