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Vehicular fog computing (VFC) has been expected as a promising paradigm that can improve the computational capability of vehicles, where vehicles can share their idle computing resource among each other. Considering the limited computational capability of a single vehicle and the short vehicle-to-vehicle (V2V) link duration, binary task offloading may suffer from the long execution time and the V2V link interruption, which may not be appropriate for some computation-intensive tasks. V2V partial computation offloading is expected to be a promising solution where tasks are divided into several parts and executed in multiple neighboring vehicles. However, due to the high-dynamic vehicular environment, it is challenging to design a scheme that can determine the service vehicles and the computing resource allocation both in local on-board CPU and in service vehicles for offloading tasks. To deal with these …