AMD’s Bobcat and Bulldozer: more details on new core
AMD’s Bobcat and Bulldozer: more details on new core
AMD is on the microprocessor Conference Hot Chips planned for 2011-CPU cores present his Bobcat and Bulldozer. Based on these chips are in shallow 13-inch notebooks to servers and workstations used or come.
Bobcat will be AMD’s first Fusion chip to find the name of Ontario. It is a combination of CPU and GPU on one die. Thus equipped devices are in the first quarter of 2011 hit the market.
Ontario is to be manufactured at TSMC in a 40-nanometer process. Its architecture is optimized as Intel’s Atom low-power operation. He dominated in contrast to this, however, Out of Order Execution, suggesting a higher single threaded performance. AMD promises for Ontario 90 percent of the computing power of a current mainstream notebook chips on K8-based. Of the will, however, be only half as large, which makes production much cheaper. Support will be provided in addition to x86-64 SSE, SSE2 and SSE3 and virtualization capabilities. Ontario is next to the graphics unit probably have one or two cores on board.
Bulldozer was optimized in contrast to Ontario for high performance. He should run in 2011 first used in servers to use. AMD wants Intel’s hyperthreading outdo this: Instead of just doubling the register files, has a bulldozer-core also has two complete integer processing units, each with its own scheduler, its own pipeline and its own L1 data cache. The floating point unit (FPU) is shared by the cores, however. AMD calls the construction "module". The advantage is to be achieved through the sharing of resources is a significant performance increase in integer field with a moderate increase in die area. The new core supports SSE successor AVX and hardware accelerated AES encryption.
AMD promises Bulldozer compared to the 12-core processor, Magny Cours for the same TDP a third more cores and a 50 percent higher throughput. This is the objective, the planned 32-nanometer manufacturing. With Interlagos (16 cores, Server), Valencia (8 cores, servers) and Zembezi (8 cores, client), several bulldozers chips announced that more full integer execution units than Intel’s 8-core and 4 core CPUs .
With Bobcat and Bulldozer AMD brings two cores for different applications.
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