It looks like DBIx::Class was re-creating objects every time.

Oh, I missed that part. There's a much easier for that - move the retrieval of the DBIx::Class objects out of the loop: 

my @watchstrings = $schema->resultset('WatchString')->all
while( my $line <INPUT> )
{
     for my $w (@watchstrings)
     {
        ...
     }
}

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Perl 6 - second systems done right

In reply to Re^3: How to cache a regular expression in a DBIx::Class object by moritz
in thread How to cache a regular expression in a DBIx::Class object by chrestomanci

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