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A Survey of Recent Media Processors

A Survey of Recent Media Processors. A ECE734 course project Min Xu. Motivation. Media processors is the most flexible DSP technology Wide applications Rapid development Big market High performance Low power. Traditional Architecture. VLIW based Wide issue width

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A Survey of Recent Media Processors

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  1. A Survey of Recent Media Processors A ECE734 course project Min Xu

  2. Motivation • Media processors is the most flexible DSP technology • Wide applications • Rapid development • Big market • High performance • Low power

  3. Traditional Architecture • VLIW based • Wide issue width • Variable instruction length • SIMD data parallel • Subword operations • Saturation arithmetic • Multiple special processing units • AV codec, network, cryptography

  4. Unique Architecture • NUON • Open standard for DVD and DTV • VM lab’s Aries 3 implementation • Operating system support • SHARP DDMP • Async pipeline, self timing • Low power

  5. System Architecture • SONY PlayStation 2 • Extremely wide datapath • Big I$, small D$ • High data bandwidth • Implications • Data parallelism VS. instruction level parallelism • High data throughput, low data locality

  6. Chips Reviewed • Philips • TM1300, CPU64(research) • Equator • MAP-CA • BSP-15 (RISC CORE) • Fujitsu • MB93401 (FR400 CORE) • Nvidia • nForce MCP • VM Labs • NUON Platform (Aries 3 Chip) • Sharp • DDMP • SONY • PlayStation 2

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