My top priority when coding is that: the program should work and produce the desired result in the expected time frame within the available resources. Style is just second.

The OP is talking about big datasets and concerned about performance, so in that case memory usage matters.

Besides that, talking about clarity without showing actual code is pointless

In reply to Re^5: Range overlap (with a lot of ranges) by salva
in thread Range overlap (with a lot of ranges) by BioLion

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