On Mon, Jan 14, 2013 at 11:02 PM, Andrew Dunstan <andrew@dunslane.net> wrote:
> After a couple of iterations, some performance enhancements to the json
> parser and lexer have ended up with a net performance improvement over git
> tip. On our test rig, the json parse test runs at just over 13s per 10000
> parses on git tip and approx 12.55s per 10000 parses with the attached
> patch.
>
> Truth be told, I think the lexer changes have more than paid for the small
> cost of the switch to an RD parser. But since the result is a net
> performance win PLUS some enhanced functionality, I think we should be all
> good.
Yeah, that sounds great. Thanks for putting in the effort.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
