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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...
Unpredictable power outages in NAND flashbased Solid State Drives (SSDs) may cause system failure or reliability problems. Capacitors are widely adopted as the interim power supplier when power interruption happens. However, since the energy provided by backup capacitors is limited, and the capacitance of a capacitor will gradually degrade with time, it is imperative to improve the efficiency and...
In this paper, we propose an effective data pipelining technique, SPDP (scratch-pad data pipelining), for dynamic scratch-pad memory (SPM)management with DMA (Direct Memory Access). InSPDP, we group multiple iterations of a loop into a block for SPM allocation, and implement a data pipeline by overlapping the execution of CPU instructions and DMA operations. We have implemented our SPDP technique...
Scratch-pad memory (SPM), a small fast software-managed on-chip SRAM (static random access memory), is widely used in embedded systems. With the ever-widening performance gap between processors and main memory, it is very important to reduce the serious off-chip memory access overheads caused by transferring data between SPM and off-chip memory. In this paper, we propose a novel compiler-assisted...
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