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In a simple analysis, the Cell processor can be split into four components: external input and output structures, the main processor called the Power Processing Element (PPE) (a two-way simultaneous-multithreaded PowerPC 2.02 core), eight fully functional co-processors called the Synergistic Processing Elements, or SPEs, and a specialized high ...
The Power Processing Element (PPE) comprises a Power Processing Unit (PPU) and a 512 KB L2 cache.In most instances the PPU is used in a PPE. The PPU is a 64-bit dual-threaded in-order PowerPC 2.02 microprocessor core designed by IBM for use primarily in the game consoles PlayStation 3 and Xbox 360, but has also found applications in high performance computing in supercomputers such as the ...
- 1
- 2.8 GHz to 3.2 GHz
- 2005
- PowerPC 2.02
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Cell microprocessor implementations. Cell microprocessors are multi-core processors that use cellular architecture for high performance distributed computing. The first commercial Cell microprocessor, the Cell BE, was designed for the Sony PlayStation 3. IBM designed the PowerXCell 8i for use in the Roadrunner supercomputer.
Cell is a 64-bit multi-core microprocessor microarchitecture that combines a general-purpose PowerPC core of modest performance with streamlined coprocessing elements which greatly accelerate multimedia and vector processing applications, as well as many other forms of dedicated computation. POWER, PowerPC, and Power ISA architectures.
Although the Cell Broadband Engine derives much of its touted Gigaflops from the 8 (limited to 6 in the PS3) Synergistic Processor Elements (SPEs), the Power Pro-cessing Element (PPE) is the conductor, presiding over the computing orchestra. In this chapter we shall focus solely on the PPE, as we examine its design and archi-
Jan 1, 2009 · The PPE contains a 64-bit, dual-thread PowerPC Architecture RISC core and supports a PowerPC virtualmemory subsystem. It has a 32 KB L1 I-cache, as well as a 32 KB D-cache, along with a 512 KB L2 unified cache. We analyze the PPE in detail, as not only does it provide significant facilities for controlling the SPEs, the PPE in Cell can run ...
A high-speed bus called the Element Interconnect Bus (EIB) is used for connecting these processor cores within the Cell. The EIB also provides connections to main memory and external I/O devices, making it possible for processor cores to access data. Details of each processor core are described below. 1.2.2 PowerPC Processor Element (PPE)
