In a technical session following Pat Gelsinger's keynote, Intel Fellows Stephen Pawlowski and Ofri Wechsler described Penryn, the newest dual-core processor from Intel. Penryn is shipping to OEMs now, with a formal launch scheduled for November 12. The full details of Penryn are available elsewhere, so I'll just focus on some interesting points from the presentation.
Penryn has a "deep power-down" state called CC6 (I don't know what the acronym means). The state saves the core's architectural state into a special on-die memory. According to the presentation, the chip's lowest power consumption can only be achieved when both cores on the chip are in the CC6 state.
Penryn will also support "dynamic acceleration," in which one core of the chip can run faster if the other… Read more