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seansawyer/comm.txt

Last active February 8, 2016 21:48
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Find numbers in two files full of 10 million random positive integers
Raw
comm.txt
$ time shuf -i 1-4294967296 -n 10000000 | sort | uniq - sorted1.txt
real 0m21.387s
user 0m22.700s
sys 0m0.820s
$ time shuf -i 1-4294967296 -n 10000000 | sort | uniq - sorted2.txt
real 0m21.230s
user 0m22.417s
sys 0m0.703s
$ time comm -1 -2 sorted1.txt sorted2.txt > results.txt
real 0m2.697s
user 0m2.643s
sys 0m0.053s
$ wc -l results.txt
23129 results.txt
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