Speed v Version
dave at lambley.me.uk
Wed Jun 1 11:57:10 BST 2011
On Wed, 1 Jun 2011, Dirk Koopman wrote:
> I contemplating providing "encouragement" to a customer to upgrade from 5.8.7
> to something more modern. One of the overriding issues is "speed". The
> customer is fixated with "speed".
> Unfortunately one of the major things the customer's clients do is
> "replicate" their ISAM data into databases, usually MS-SQL via DBI and
> DBD::ODBC. The ISAM data is always on Linux (and a few Unix) boxes. The
> replication is a batch process that must complete overnight. Currently it is
> a fairly close run thing.
> I don't suppose anyone has done any speed benchmarking on the various perls
> to date? Still less on newer DBIs etc? All the customer's modules are circa
My former employer did some benchmarking of different versions of Perl,
used inside mod_perl. Perl 5.10.x proved faster than 5.8.x, and 64 bit
was faster than 32. This was for a CPU bound application though, which it
sounds like your's is not.
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