Unscientific...for giggles...take it or leave it...difference is about 0.01 ms per loop iteration:
253 ms: <cfset thelist = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26"> <cfset starttick = gettickcount()> <cfloop index="i" from="1" to="10000"> <cfset element1 = listgetat(thelist, randrange(1, listlen(thelist)))> <cfset element2 = listgetat(thelist, randrange(1, listlen(thelist)))> <cfif isnumeric(element1) and isnumeric(element2)> <cfoutput><p>#evaluate(element1 + element2)#</p></cfoutput> </cfif> </cfloop> <cfoutput><p>tick #evaluate(gettickcount() - starttick)#</p></cfoutput> 375 ms: <cfset thelist = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26"> <cfset starttick = gettickcount()> <cfloop index="i" from="1" to="10000"> <cfset element1 = listgetat(thelist, randrange(1, listlen(thelist)))> <cfset element2 = listgetat(thelist, randrange(1, listlen(thelist)))> <cftry> <cfoutput><p>#evaluate(element1 + element2)#</p></cfoutput> <cfcatch><!--- error caught ---></cfcatch> </cftry> </cfloop> <cfoutput><p>tick #evaluate(gettickcount() - starttick)#</p></cfoutput> On Fri, Apr 22, 2011 at 11:49 AM, Brook Davies <cft...@logiforms.com> wrote: > > I was under the impression that throwing and catching an exception added > some overhead. If not, then the function call isBase64() should work > great. > Thanks Jon/Dave... > > Brook > > -----Original Message----- > From: Dave Watts [mailto:dwa...@figleaf.com] > Sent: April-22-11 9:37 AM > To: cf-talk > Subject: Re: check for a base64 encoded string > > > > Reason being that throwing exceptions are expensive and also an ugly > > way of programming an evaluation. IMHO.. > > Throwing exceptions isn't especially expensive, compared to whatever > conditional logic they might otherwise replace. The ugliness thing is more > a > matter of the eye of the beholder, but there's nothing inherently wrong > about using an exception to test failure. > > Dave Watts, CTO, Fig Leaf Software > http://www.figleaf.com/ > http://training.figleaf.com/ > > Fig Leaf Software is a Veteran-Owned Small Business (VOSB) on GSA Schedule, > and provides the highest caliber vendor-authorized instruction at our > training centers, online, or onsite. > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Order the Adobe Coldfusion Anthology now! http://www.amazon.com/Adobe-Coldfusion-Anthology/dp/1430272155/?tag=houseoffusion Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:343905 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/groups/cf-talk/unsubscribe.cfm
