Abstract
We present the design of Go-RealTime, a lightweight framework for real-time parallel programming based on Go language. Go-RealTime is implemented in user space with portability and efficiency as important design goals. It takes the advantage of Go language's ease of programming and natural model of concurrency. Goroutines are adapted to provide scheduling for real-time tasks, with resource reservation enabled by exposing Linux APIs to Go. We demonstrate nearly full utilization on 32 processors scheduling periodic heavy tasks using Least Laxity First (LLF) algorithm. With its abstraction and system support, Go-RealTime greatly simplifies the set up of sequential and parallel real-time programs on multiprocessor systems.
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