By Junjie Wu, Haibo Chen, Xingwei Wang
This publication constitutes the refereed lawsuits of the tenth Annual convention on complicated machine structure, ACA 2014, held in Shenyang, China, in August 2014. the nineteen revised complete papers offered have been rigorously reviewed and chosen from a hundred and fifteen submissions. The papers are geared up in topical sections on processors and circuits; excessive functionality computing; GPUs and accelerators; cloud and information facilities; strength and reliability; intelligence computing and cellular computing.
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Extra info for Advanced Computer Architecture: 10th Annual Conference, ACA 2014, Shenyang, China, August 23-24, 2014. Proceedings
Sub5 .. .. Slice# 0 1 2 3 4 … n top x x x x x x x parent x x x x x x x Fig. 1. Partition Flow 3 Preparations To divide the SoC design logically, the partition algorithm needs some preparatory work. We obtain the top-down module hierarchy tree of the SoC design, and then synthesize and analyze each module for their resource demands. In this process, the input is RTL code and the output is a top-down module hierarchy tree which conveys the basic information and resource demands of each module.
The other factors include connectivity, memory access bus bandwidth, local data memory capacity and so on. In the previous experiments, we assume the memory access bandwidth is unlimited and the hardware resources are enough. But it is not true in practice. The ACRP is good for the stream-based application. These applications always deal with mass data. The data array usually is placed in the local scratchpad memory. So the memory access bus bandwidth is greatly important to the ACRP performance.
6 shows that the throughout improves with the increase of CFUs. There are two reasons for performance improvement. The first reason is the decrease of II with the increase of CFUs, and another one is exploitation of data parallelism. In the experiment refer to 4-FIR, the II is 2 without CFUs and throughout is 49MOPS. With 1 CFU, the II becomes into 1 and the throughout increases to 97MOPS. But when there are 2 CFUs, the II does not change and the second CFU is idle. At last, we can map two iterations to the ACRP with 4 CFUs, so the throughout increase to 194MOPS.