Practical Fast Clock-Schedule Design Algorithms

Practical Fast Clock-Schedule Design Algorithms
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实用的快速时钟调度设计算法

DOI:
10.1093/ietfec/e89-a.4.1005
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发表时间:
2006
期刊:
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
影响因子:
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通讯作者:
Atsushi Takahashi
Atsushi Takahashi
中科院分区:
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文献类型:
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作者:
Atsushi Takahashi

文献摘要

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在本文中,引入了实用的时钟安排引擎。最小可行的时钟周期是通过使用修改后的钟形最短路径算法获得的。然后,通过使用两分匹配算法获得最佳的成本时钟安排。它还为电路合成工具提供了有用的信息。对具有约10000寄存器和100000个信号路径的电路的实验表明,在几分钟内获得了结果。在实践中,计算时间几乎是线性到电路尺寸的。
In this paper, a practical clock-scheduling engine is introduced. The minimum feasible clock-period is obtained by using a modified Bellman-Ford shortest path algorithm. Then an optimum cost clock-schedule is obtained by using a bipartite matching algorithm. It also provides useful information to circuit synthesis tools. The experiment to a circuit with about 10000 registers and 100000 signal paths shows that a result is obtained within a few minutes. The computation time is almost linear to the circuit size in practice.