片上波動(dòng)影響下的Mesh結(jié)構(gòu)時(shí)鐘系統(tǒng)的性能分析方法
[Abstract]:Considering the influence of on-chip fluctuation on Mesh clock system, a performance analysis method of clock system based on statistical theory is proposed. The core idea of this method is that when the real analytic function is difficult to solve, the statistical analysis method is used to fit the function. It is studied from two aspects: how to fit the probability distribution of clock deviation and how to fit the effect of clock path delay on clock deviation in the front drive layer. The experimental results show that the probability distribution of clock deviation can be fitted by normal distribution, and the relationship between clock path delay and clock deviation in front drive layer can be fitted by multiple linear regression model. Therefore, this set of fitting methods enables designers to evaluate the rationality of uncertain constraints through the probability distribution function of normal distribution. At the later stage of design, the optimal pre-drive layer is adjusted according to the multivariate linear regression model to improve the performance of clock system.
【作者單位】: 計(jì)算機(jī)體系結(jié)構(gòu)國(guó)家重點(diǎn)實(shí)驗(yàn)室(中國(guó)科學(xué)院計(jì)算技術(shù)研究所);中國(guó)科學(xué)院計(jì)算技術(shù)研究所;中國(guó)科學(xué)院大學(xué);龍芯中科技術(shù)有限公司;
【基金】:國(guó)家“核高基”科技重大專(zhuān)項(xiàng)(2009Z01028-002-003,2009Z01029-001-003,2010ZX01036-001-002,2012ZX01029-001-002,2014ZX01020201,2014ZX01030101) 國(guó)家自然科學(xué)基金(61521092,61133004,61173001,61232009,61222204,61432016) 863計(jì)劃(2013AA014301)資助項(xiàng)目
【分類(lèi)號(hào)】:TN40
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