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Despite the promising applicability of the Internet of Things (IoT), such as for home automation and health monitoring, it is laborious to develop an IoT application, because programmers should explicitly manipulate communication for shared data across heterogeneous distributed IoT devices. Recent proposals simplify the communication management with graphical views or language extensions but still require programmers to explicitly manage communication. To liberate programmers from explicit communication management, this article revisits heterogeneous distributed shared memory (HDSM) for IoT devices and proposes a compiler-runtime cooperative HDSM framework, called IoT-HDSM. The framework's compiler unifies heterogeneous memory layouts of different IoT devices, and the runtime system provides a shared memory view for the devices. To support lightweight devices that cannot execute the …