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Which loop is faster?

Name: Anonymous 2012-01-16 8:59



for (I = 0; I < N; I++)

  for (J = 0; J < M; J++)

    update(Xs[I][J]);



for (I = 0; I < N; I++)

  for (J = 0; J < M; J++)

    update(Xs[J][I]);

???

Name: kodak_gallery_programmer !!kCq+A64Losi56ze 2012-01-16 13:45

>>95
http://java.sun.com/docs/books/jls/third_edition/html/expressions.html#15.17.3

Has the following:

5%3 produces 2    (note that 5/3 produces 1)
5%(-3) produces 2    (note that 5/(-3) produces -1)
(-5)%3 produces -2 (note that (-5)/3 produces -1)
(-5)%(-3) produces -2    (note that (-5)/(-3) produces 1)

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Which loop is faster?

1 Name: Anonymous 2012-01-16 8:59

96 Name: kodak_gallery_programmer !!kCq+A64Losi56ze 2012-01-16 13:45

Name: Anonymous 2012-01-16 8:59

Name: kodak_gallery_programmer !!kCq+A64Losi56ze 2012-01-16 13:45