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Graph algorithms such as breadth-first search (BFS) have been gaining ever-increasing importance in the era of Big Data. However, the memory bandwidth remains the key performance bottleneck for graph processing. To address this problem, we utilize processing-in-memory (PIM), combined with non-volatile metal-oxide resistive random access memory (ReRAM), to improve the performance of both computation...
With the emergence of many commercial-off-the-shelf (COTS) and/or open-source hardware and software, we can now build cheap Unmanned Aerial Vehicles (UAVs). This will enable a broad spectrum of potential UAV based mobile applications. In this work, we propose a simple open UAV platform: Ard-µ-copter. Ard-µ-copter is a quadcopter built upon the open source ArduPilot [1] infrastructure library and hardware...
Flash translation layer (FTL) is an intermediate software layer used to hide the annoying characters of NAND flash memory and simulate the flash memory as hard disk. An efficient FTL scheme can improve the performance of NAND flash storage memory system significantly. This paper proposes a novel data-driven superblock-based FTL scheme called DSFTL, in which a super block is formed by several logical...
A NAND flash block must be erased before the I/O system rewrites the pages in it. When a full block (garbage) is erased, its valid pages should be copied to another place. Variable page copy operations cause uncertain garbage collection latency. Most of existing real-time flash translation layer (FTL) schemes use partial garbage collection to hide long write operation latency and provide a predictable...
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