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As the rapid development of Electric Vehicles (EV), how to strategically deploy charging stations becomes an emerging and challenging question to EV communities. However, the cease operation of charging stations and the consequent impacts have been discussed little. In this paper, by analyzing a large scale electric taxi GPS data, we make the first attempt to investigate this problem. A case in Shenzhen...
We present Task-D, a task-based distributed programming framework. Traditionally, programming for distributed programs requires using either low-level MPI or high-level pattern based models such as Hadoop/Spark. Task based models are frequently and well used for multicore and heterogeneous environment rather than distributed. Our Task-D tries to bridge this gap by creating a higher-level abstraction...
L4 microkernel family has become very successful on mobile devices. However, with the rapid shift from uniprocessor to multicore and manycore processor, many critical OS functions including physical memory allocator (PMA) must be re-designed in order to achieve better system throughput. While research and engineering efforts have been made for PMA in monolithic kernels such as Linux, not much work...
Multiple heterogeneous processor systems on chip are more and more widely used in order to provide a higher system performance. Run-time mapping for heterogeneous Network on Chip (NoC) is challenging since the sequence of the incoming applications is unknown in advance. This paper presents Heterogeneous Near Convex Region Algorithm (HNCR), an incremental run-time mapping algorithm for heterogeneous...
We present an online framework to capture and recover from program failures and prevent them from occurring in the future through safe execution perturbations. The perturbations are safe as they respect the semantics of the program. We use a checkpointing/logging mechanism to capture a program execution to an event log. If the execution results in a failure, the framework automatically searches for...
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