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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: Anonymous 2012-01-16 11:48

>>14
Some compilers will reject it
Not due to the ++i methinks, but rather that some compilers *cough*micro$hit*cough* requires variables do be declared first in functions.

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Which loop is faster?

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

32 Name: Anonymous 2012-01-16 11:48

Name: Anonymous 2012-01-16 8:59

Name: Anonymous 2012-01-16 11:48