Not to be a pedant, but prepare() can be faster than prepare_cached() 56% faster, in fact ;)
use DBI;
use Data::Dumper;
use Benchmark q(:all);
use strict;
my $dbh = DBI->connect("dbi:mysql:test","root","", {RaiseError=>1}) ||
+ die $DBI::errstr;
cmpthese( 9999, {
cache => 'prepcache',
normal => 'prep',
});
sub prepcache {
$dbh->prepare_cached("X"x100_000);
}
sub prep {
$dbh->prepare("X"x100_000);
}
Rate cache normal
cache 365/s -- -36%
normal 569/s 56% --
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