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首页> 外文会议>IFIP 150; IFIP 18th World Computer Congress TC10 Working Conference on Distributed and Parallel Embedded Systems(DIPES 2004); 20040822-27; Toulouse(FR) >ADAPTIVE BUS ENCODING SCHEMES FOR POWER-EFFICIENT DATA TRANSFER IN DSM ENVIRONMENTS
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ADAPTIVE BUS ENCODING SCHEMES FOR POWER-EFFICIENT DATA TRANSFER IN DSM ENVIRONMENTS

机译：DSM环境中高效数据传输的自适应总线编码方案

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摘要

Power dissipated on global DSM buses increasingly influences total chip power consumption. In order to reduce that portion, activity minimizing bus encoding schemes are applied. Thereby adaptive techniques have a higher potential in reducing transitions than static schemes. However, they are susceptible to rarely but occuring transmission errors since the encoding rule on decoder side is calculated from the received data. Once a different encoding rule is calculated there is no re-synchronization. In this paper we present a new approach which eliminates the dependency on the received data. The encoding rule of both, coder and decoder is updated by partial runtime reconfiguration. In combination with a static scheme we could achieve a reduction in activity of up to 26%. In com-parism with an adaptive scheme the hardware requirements were reduced by up to 50%.
机译：全球DSM总线上的功耗越来越多地影响总芯片功耗。为了减少该部分，应用了活动最小化总线编码方案。因此，与静态方案相比，自适应技术在减少过渡方面具有更高的潜力。但是，由于解码器侧的编码规则是根据接收到的数据计算出来的，因此极少出现传输错误。一旦计算出不同的编码规则，就不会再进行同步。在本文中，我们提出了一种新方法，该方法消除了对接收数据的依赖性。编码器和解码器的编码规则都通过部分运行时重新配置进行更新。结合静态方案，我们可以减少多达26％的活动。与自适应方案相比，硬件要求降低了多达50％。

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