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Placement is one of the most important problems in electronic design automation. Although it has been investigated for several decades, a more efficient core engine is critically needed for the following reasons: (1) design scale becomes huge; (2) placement is typically run again and again to explore the design space at early design stages (e.g., physical synthesis); (3) placement core engine is called...
Recent asynchronous VLSI circuit placement approach tries to leverage synchronous placement tools as much as possible by manual loop-breaking and creation of virtual clocks. However, this approach produces an exponential number of explicit timing constraints which is beyond the ability of synchronous placement tools to handle. Thus, synchronous placer can only produce suboptimal results. Also, it...
Differing from the traditional mechanical and hydrokinetic-mechanical graders and basing on the power transmission principles of static hydraulic grader, this paper describes the mechanism that the reasonable matching optimization of the operating point of component parts can reduce significantly the fuel consumption of the whole machine, brings forward the fuzzy energy-saving method for the static...
In real-life event-based systems, constraints such as workflows often hold among the event data. E-Tec implements a novel framework for supporting constraint-aware event stream processing, in order to effectively decrease the resource consumption and expedite the system response for the real-time business monitoring. This paper highlights the main system functionalities through interesting use cases...
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