Christopher P. Lindsey wrote: [...]
It looks like the problem is repeated print statements. I basically had a loop that did
while ($ref = $sth->fetchrow_arrayref()) { print $$ref[0], $$ref[2], etc. }
Changing it to
my $output; while ($ref = $sth->fetchrow_arrayref()) { $output .= $$ref[0] . $$ref[2], etc. } print $output;
cut the load time to 1.03 seconds -- that's 1/3 of the timing with multiple print statements and 2/3 of the timing for the CGI script.
So the lesson I learned is to store all of your output when using Apache::Filter, then print it all out at once.
Thanks for the pointer, Perrin!
You can probably further optimize it using an array instead of concatenation. But benchmark it first to see whether it does make things faster. See:
http://perl.apache.org/docs/1.0/guide/performance.html#Interpolation__Concatenation_or_List
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