IR - Instruction Retired. We measure them using callgrind to analyze micro-improvements. See https://wiki.php.net/phpng#performance_evaluation for more details.
Thanks. Dmitry. On Wed, Jan 14, 2015 at 5:56 PM, Alexander Kurilo <a...@kurilo.me> wrote: > Hi Xinchen, > >> my draft patch (which already get 0.1% IRs reduce in wordpress) >> > > could you or anyone else help me understand what IR stands for? > > Thanks in advance. > > > > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: http://www.php.net/unsub.php > >