Abstract

This demonstration paper presents a multicore Real Time Operating System (RTOS) that schedules a parameterized dataflow Model of Computation (MoC) onto a multicore Digital Signal Processor (DSP) at runtime. This RTOS called Synchronous Parameterized and Interfaced Dataflow Embedded Runtime (SPIDER) exploits the Parameterized and Interfaced Synchronous Dataflow (PiSDF) MoC and its features at runtime to identify locally static regions and to optimize their execution onto multicore platforms. The RTOS is used to dispatch a stereo matching algorithm tasks with a varying range of disparities. The platform used for this demonstration is a Texas Instruments Keystone II Multiprocessor System-on-Chip (MPSoC) device composed of 8 DSP cores, 4 ARM cores, a shared memory subsystem, Multicore Navigator and multiple dedicated accelerators.

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