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Created December 3, 2012 05:01
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postincrement vs preincrement in Node.js/JavaScript
Raw
00-results.md

post-increment vs pre-increment in Node.js

Testing to see which one is faster

Results

pre-increment wins... barely

Raw
99-postincrement-results.md 
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) a++;'

real	0m3.904s
user	0m3.883s
sys	0m0.032s
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) a++;'

real	0m3.871s
user	0m3.851s
sys	0m0.032s
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) a++;'

real	0m3.907s
user	0m3.884s
sys	0m0.035s
Raw
99-preincrement-results.md 
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) ++a;'

real	0m3.756s
user	0m3.736s
sys	0m0.031s
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) ++a;'

real	0m3.753s
user	0m3.736s
sys	0m0.031s
dave @ [ manilla :: (Darwin) ] ~ $ time node -e 'var a = 0; for (var i = 0; i < 1 * 1000 * 1000 * 1000; ++i) ++a;'

real	0m3.664s
user	0m3.652s
sys	0m0.031s
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