Re-wrote performance tips for units
Re-wrote performance tips for units
astropy/astropy,astropy/astropy,bsipocz/astropy,mhvk/astropy,stargaser/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,lpsinger/astropy,aleksandr-bakanov/astropy,astropy/astropy,bsipocz/astropy,lpsinger/astropy,larrybradley/astropy,StuartLittlefair/astropy,stargaser/astropy,mhvk/astropy,mhvk/astropy,pllim/astropy,saimn/astropy,lpsinger/astropy,pllim/astropy,stargaser/astropy,astropy/astropy,MSeifert04/astropy,lpsinger/astropy,saimn/astropy,aleksandr-bakanov/astropy,pllim/astropy,dhomeier/astropy,pllim/astropy,StuartLittlefair/astropy,MSeifert04/astropy,StuartLittlefair/astropy,stargaser/astropy,astropy/astropy,saimn/astropy,StuartLittlefair/astropy,larrybradley/astropy,larrybradley/astropy,dhomeier/astropy,larrybradley/astropy,aleksandr-bakanov/astropy,saimn/astropy,mhvk/astropy,bsipocz/astropy,dhomeier/astropy,pllim/astropy,dhomeier/astropy,larrybradley/astropy,lpsinger/astropy,MSeifert04/astropy,mhvk/astropy,bsipocz/astropy,MSeifert04/astropy,dhomeier/astropy,saimn/astropy