= Polyphase merge sort
{wiki=Polyphase_merge_sort}
Polyphase merge sort is an efficient external sorting algorithm designed to handle large datasets that do not fit into memory. It minimizes the number of disk I/O operations by employing a multi-way merge strategy, where multiple sorted runs are combined in a way that leverages multiple tapes or disks. \#\#\# Key Features of Polyphase Merge Sort: 1. **Merging Process**: - Instead of the traditional two-way merge, polyphase merge sort utilizes a multi-way merging technique.
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