In recent days, network-on-chip (NoC) researchers focus mainly on the area reduction and low power consumption both in architectural and algorithmic approach. To achieve low power and high performance in NoC architecture, sense amplifiers (SAs) introduced which can consume less power under various traffic conditions. In order to analyze the performance of architectural NoC design before fabrication level, the new simulator is developed based on multi core processor with improved sense amplifier (MCPSA) in this work. The MCPSA simulator provides user, the flexibility of incorporating various traffic configurations and routing algorithm with user reconfigurable option. In addition, the different SA model can be put into the simulation in plug and play manner for evaluation. The NoC case studies are presented to demonstrate the NoC architecture with double tail sense amplifier (DTSA) and modified-DTSA (M-DTSA) design. The performance metric such as delay, data rate and power consumption is evaluated. The main idea of this new simulator is to interface multisim environment (MSE) into a NoC environment for validating any DTSA.
A real time multiprocessor chip paradigm is also called a Network-on-Chip (NoC) which offers a promising architecture for future systems-on-chips. Even though a lot of Double Tail Sense Amplifiers (DTSA) are used in architectural approach, the conventional DTSA with transceiver exhibits a difficulty of consuming more energy and latency than its intended design during heavy traffic condition. Variable Energy aware sense amplifier Link for Asynchronous NoC (VELAN) is designed in this research to eliminate the difficulty, which is the combination of Variable DTSA circuitry (V-DTSA) and Transceiver. The V-DTSA circuitry has following components such as bootable DTSA (B-DTSA) and bootable clock gating DTSA (BCG-DTSA), Graph theory based Traffic Estimator (GTE) and controller. Depending upon the traffic rate, the controller activates necessary DTSA modules and transfers information to the receiver. The proposed VELAN design is evaluated on TSMC 90 nm technology, showing 6.157 Gb/s data rate, 0.27 w total link power and 354 ps latency for single stage operation.
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