Embedded and Internet of Things(IoT)devices have extremely strict requirements on the area and power consumption of the processor because of the limitation on its working environment.To reduce the overhead of the embe...Embedded and Internet of Things(IoT)devices have extremely strict requirements on the area and power consumption of the processor because of the limitation on its working environment.To reduce the overhead of the embedded processor as much as possible,this paper designs and implements a configurable 32-bit in-order RISC-V processor core based on the 16-bit data path and units,named RV16.The evaluation results show that,compared with the traditional 32-bit RISC-V processor with similar features,RV16 consumes fewer hardware resources and less power consumption.The maximum performance of RV16 running Dhrystone and CoreMark benchmarks is 0.92 DMIPS/MHz and 1.51 CoreMark/MHz,respectively,reaching 75%and 71%of traditional 32-bit processors,respectively.Moreover,a properly configured RV16 running program also consumes less energy than a traditional 32-bit processor.展开更多
基金the National Key Research and Development Project of China under Grant No.2021YFB0300300the National Natural Science Foundation of China under Grant Nos.62090023,61872374,61672526 and 62172430the Natural Science Foundation of Hunan Province of China under Grant No.2021JJ10052.
文摘Embedded and Internet of Things(IoT)devices have extremely strict requirements on the area and power consumption of the processor because of the limitation on its working environment.To reduce the overhead of the embedded processor as much as possible,this paper designs and implements a configurable 32-bit in-order RISC-V processor core based on the 16-bit data path and units,named RV16.The evaluation results show that,compared with the traditional 32-bit RISC-V processor with similar features,RV16 consumes fewer hardware resources and less power consumption.The maximum performance of RV16 running Dhrystone and CoreMark benchmarks is 0.92 DMIPS/MHz and 1.51 CoreMark/MHz,respectively,reaching 75%and 71%of traditional 32-bit processors,respectively.Moreover,a properly configured RV16 running program also consumes less energy than a traditional 32-bit processor.
