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Cloud computing is a type of Internet-based service computing that provides computing, storage and networking services to multiple users. With the increase of data size, computing capacity runs out quickly in cloud computing services. To fill the shortage of computation capacity, we propose to adopt variable precision by implementing unum (universal number), which is a number format different from...
In this paper, we presents the design of a hardware temporal multi-threading architecture for a Java processor. The Java virtual machine (JVM) model is a stack machine where the process state is the snapshot of the Java stack. If the runtime stack is stored (or cached) in on-chip memory for performance reasons, the backup and restoration of the Java runtime stacks for context switching would be expensive...
A divide-by-four transformer-coupled regenerative frequency divider implemented by a TSMC 90 nm CMOS process is presented. A transformer-coupling technique and a source-injected current-mode-logic divider were proposed to increase the injection signal level and widen the operation range of the loop divider. A subharmonic mixer with bottom-switching pairs was used to reduce dc power consumption and...
In this paper, new compression architecture is proposed for multiple scan-chains. We use buffers to hold back data, and use read enable signals to filter useless data. We use only four extra channels and less hardware for largest ISCAS'89 circuits to reduce test data volume and shift-in power. The average of peak/WTC shift-in turns to 3x/6.6x, after comparing (Wang and Chakrabarty, 2008) and our method...
This paper presents a test slice difference (TSD) technique to improve test data compression. It is an efficient method and only needs one scan cell. Consequently, hardware overhead is much lower than cyclical scan chains (CSR). As the complexity of VLSI continues to grow, excessive power supply noise has become seriously. We propose a new compression scheme which smooth down the switching activity...
In recent years, power dissipation is a large challenge for IC design. Furthermore, the capacitance excessive transition may lead to circuit reliable reduction and heat problem. In this paper, we proposed a new algorithm to reduce the transition count of scan cell during capture operation. The clock gating technique, fault diagnosis, and fault dropping are used to decrease the capture power dissipation...
A self-disable sensing technique for content-addressable memories (CAM) is presented in this work. The proposed differential match-line sense amplifier can be self disabled to choke the charge current fed into the match line right after the comparison result is generated. Instead of using typical NOR/NAND CAM cells with the single ended match-line, a novel NAND CAM cell with the differential match-line...
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