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Build # 12663064069

Build Type

push

github

Committed by web-flow

Commit Message

diff: simplify LCS_matrix()

* Initialise $x[$i] to new listref [0] in one statement, instead of assigning list element 0 separately
* Calling standard max() function avoids temporary variables when compared items are different
* Write loops in idiomatic form with ranges
* This was intended as a readability change, but I observed that when generating diffs on a large text files the performance is slightly improved

%time perl diff.old -u bc bc.new > /dev/null
real	0m11.003s
...
real	0m10.845s
...
real	0m10.965s

%time perl diff.new -u bc bc.new > /dev/null
real	0m9.470s
...
real	0m9.546s
...
real	0m9.329s

Coverage Stats

349 of 482 relevant lines covered (72.41%)

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