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Title
Japanese: 
English:A Bytecode VM for an FRP Language for Small-Scale Embedded Systems 
Author
Japanese: 大谷 悠豪, 鈴木 豪, 森口 草介, 渡部 卓雄.  
English: Yugo Otani, Go Suzuki, Sosuke Moriguchi, Takuo Watanabe.  
Language English 
Journal/Book name
Japanese: 
English:Proceedings of 7th Asia Pacific Conference on Robot IoT System Development and Platform (APRIS 2024) 
Volume, Number, Page        
Published date Nov. 5, 2024 
Publisher
Japanese: 
English:IPSJ 
Conference name
Japanese: 
English:7th Asia Pacific Conference on Robot IoT System Development and Platform (APRIS 2024) 
Conference site
Japanese: 
English:Tokyo 
Abstract Emfrp is a functional reactive programming (FRP) language for resource-constrained systems such as microcontrollers. The language enables the concise description of reactive behavior specific to embedded systems. The current Emfrp compiler runs on a development host PC. Therefore, the program development, testing, and modification cycle is time-consuming. We have implemented an interpreter, Emfrp-REPL, which runs on the target device and enables interactive and rapid development using the REPL interface. The interpreter is designed to minimize I/O latency and employs snapshot GC to suppress latency fluctuations. However, the execution speed could be faster because the evaluation of expressions is based on AST traversal. In this study, we design and implement Emfrp-VM, a byte code VM for Emfrp, to solve this problem.

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