Collecting unused processing capacity: an analysis of transient distributed systems
نویسندگان
چکیده
Distributed systems frequently have large numbers of idle computers and workstations. If we could make use of these, then considerable computing power could be harnessed at low cost. We analyze such systems using Brownian motion with drift to model the execution of a program distributed over the idle computers in a network of idle and busy processors, determining how the use of these “transient” processors affects a program’s execution time. We find the probability density of a programs finishing time on both single and multiple transient processors, explore these results for qualitative insight, and suggest some approximations for the finishing time probability density that may be useful.
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