In said note, blakem writes:
Heap sorting is attractive because selecting the smallest M elements from a dataset of size N (N being much larger than M) requires storing only M elements in memory at any one time.
That means that he can very well store the entire heap, the M elements, in memory.

Makeshifts last the longest.

In reply to Re^5: Heap sorting in perl by Aristotle
in thread Heap sorting in perl by blakem

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