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Cascaded Coded Distributed Computing Schemes Based on Placement Delivery Arrays
DOI:10.1109/ACCESS.2020.3043825.png)
摘要
En 中文
Li et al. introduced coded distributed computing (CDC) scheme to reduce the communication load in general distributed computing frameworks such as MapReduce. They also proposed cascaded CDC schemes where each output function is computed multiple times, and proved that such schemes achieved the fundamental trade-off between computation load and communication load. However, these schemes require exponentially large numbers of input files and output functions when the number of computing nodes gets large. In this paper, by using the structure of placement delivery arrays (PDAs), we construct several infinite classes of cascaded CDC schemes. We also show that the numbers of output functions in all the new schemes are only a factor of the number of computing nodes, and the number of input files in our new schemes is much smaller than that of input files in CDC schemes derived by Li et al.
Keyword:
Coded distributed computing
MapReduce
placement delivery array
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W

