Synthesis of Heterogeneous Dataflow Models from Synchronous Specifications
2021
The synthesis of distributed embedded systems by desynchronization starts from a synchronous model and keeps its functional behavior while generating a corresponding dataflow process network (DPN). This method supports the modeling of dynamic behaviors while avoiding the problems like deadlocks and buffer overflows in DPNs. However, a DPN can be heterogeneous in the sense that different nodes may exhibit either static or dynamic behaviors. An efficient synthesis method should automatically generate implementations by exploiting this heterogeneity.In this paper we improve the desynchronization process by exploiting synchronous components with various input/output behaviors which can then be desynchronized to a heterogeneous DPN where each node can be scheduled and executed accordingly. Moreover, a synthesis tool chain is developed to automatically synthesize the heterogeneous DPN to the open computing language (OpenCL) based implementation that can be deployed on various commercial off-the-shelf (COTS) target platforms.
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