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Assuming that $pos and $poss are two different things, and $pos is defined somewhere outside of the code snippet, you can save a bundle by doing something like this:
my $docpos = $pos{$docID}; for (1 .. $tf) { $docpos->{vec ($dp, $index++, 32)}=\$order; }
It may seem trivial, but that's about 2000000*avg_tf dereferences.
Getting rid of an unnecessary "my" variable should also pick up a few extra cycles.

In reply to Re^3: Fast data structure..!!! by dvryaboy
in thread Fast data structure..!!! by MimisIVI

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