By Harold H. Manker
Communications of the ACM,
May 1963,
Vol. 6 No. 5, Pages 214-217
10.1145/366552.366559
Comments
With a limited number of tape drives available for sorting, the polyphase technique of merging provides faster sorting than the conventional balanced method of merging. This paper is an attempt to describe the polyphase method used in the IBM 1401 Sort 2 program for a computer system with four tape drives available.
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