Profiling/ab 1.3 vs. 1.2.5
These results show the effect of a slow parser present in early pre-release versions of 1.3. After seeing these results, we reverted most of the text processing code back to the 1.2 style.
1.2.5
editab -n 100 -c 2 http://12.wikidev.net:8000/Main_Page Requests per second: 0.84 [#/sec] (mean)
1.3
editwith 'standard' skin
ab -n 100 -c2 http://wikidev.net:8000/Benchmark Requests per second: 0.44 [#/sec] (mean)
1.3
editwith monobook
ab -n 100 -c2 http://wikidev.net:8000/Benchmark Requests per second: 0.43 [#/sec] (mean)
1.3
editwith monobook and doQuotes instead of doTokenizedParser (the current live code here on meta)
Requests per second: 0.74 [#/sec] (mean)