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Re^2: Optimization Help

by jmmitc06 (Beadle)
on Aug 01, 2013 at 23:33 UTC ( #1047517=note: print w/ replies, xml ) Need Help??


in reply to Re: Optimization Help
in thread Optimization Help

Oh and all the matrices are 2D and the mapping vector is 1D


Comment on Re^2: Optimization Help
Re^3: Optimization Help
by BrowserUk (Pope) on Aug 01, 2013 at 23:57 UTC

    Try:

    sub equate2 { my ($self, $other, $mapping) = @_; my $sm = $self->{Matrix}; my $om = $other->{Matrix}; for my $row ( 0 .. $#$mapping ) { my $smrow = $sm->[ $row ]; my $omrow = $om->[ $mapping->[ $row ] ]; for my $col ( 0 .. $#$mapping ) { return 0 if $smrow->[ $col ] != $omrow->[ $mapping->[ $col + ] ]; } } return 1; }

    With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.
      I am in your debt!!!!! In my test case this is 40% faster, that's going to save me a couple of days right there.

        How big is $mapping? (And can you show us (some of) what it contains? Eg. the mapping sequence.)


        With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
        Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
        "Science is about questioning the status quo. Questioning authority".
        In the absence of evidence, opinion is indistinguishable from prejudice.

        BrowserUK has a well-earned reputation for doing things like that ...   :-)

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