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Re^2: Store larg hashes more efficiently (10e6 md5s in 260MB at 4µs per lookup)

by puterboy (Beadle)
on Feb 26, 2013 at 21:06 UTC ( #1020758=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my $key = $i & 0xfffff000;
  2. or download this
    my $key = ($i & 0xfffff000) >> 3;
  3. or download this
    $lookup[ $key ] .= pack 'va16', $i & 0xfff, $md5;

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