AMD To Demo Quad-Core Processors on Current Server Platform
Submitted by atang1 on Sat, 01/28/2006 - 03:25.
AMD To Demo Quad-Core Processors on Current Server Platform - Advanced Micro Devices is working to ensure that no platform change will be required to move from its next-generation dual-core processors to quad-core processors. When AMD rolls out dual-core processors with built-in virtualization hooks midyear, the company also aims to show that quad-core processors can also run on the same socket on that platform, said Marty Seyer, senior vice president of AMD's Commercial Business and Performance Computing, Microprocessor Solutions Sector unit. [OSNews]
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Quad core symmetrical is only 2x single core cpu speed ?
Its common knowledge that symmetrical processing is inefficient. 750 mhz PowerPC dual core of IBM manufacture is only 1.5x of single core 750 mhz cpu, no matter what equivalent speeds they claim. AMD themsleves uses equivalent speeds for advertizing purposes.
To do simultaneous processing using threads, as massive parallel threads operation, only one thread is needed to direct application processing(feed in data and collect results from each thread). Segmented data results are then collated or summarized. Quad core will achieve speeds close to 4x of single core cpus, using threads.
Do we have any doubt that cpu manufacturers will not pioneer the Linux microkernel v2.8.x Posix driven Linux operating systems?
Footnote:
AMD was rumoured to abandon their octo core cpu design. It has to be done as parallel quad cores and use mosix in redundency. Symmetrical arrangement can only achieve speeds of 4x with eight cores. But using threads will allow AMD to keep moving to higher order of duplicated cores taking advantage of flash memory instead of sram. Each core will add more parallel speedy operation, x by more x time speeds.