Manual:BenchmarkParse.php

Details
benchmarkParse.php is a maint-scripts>Special:MyLanguage/Manual:Maintenance scripts|maintenance script to benchmark how long it takes to parse a given title at an optionally specified timestamp..

Obama test
Colloquial name for a quick test of the parsing speed on Wikimedia servers, which uses the infamous w:Barack Obama article (which used to take 30+ seconds for parsing).