You can always change the script to perform the loop between the gettickcount() references, or to perform 2nd inside loop to pad the results a bit.
> I haven't tried running it yet, but this profiling > code seems suspicious. I don't think CF's > GetTickCount() function has sufficiently small > resolution that the execution time of 10 or 20 CF > statements can be meaningfully measured. My > recollection was that CF5's GetTickCount was only > accurate within 10ms or so.... > --- "S. Isaac Dealey" <[EMAIL PROTECTED]> wrote: >> Here's a rudimentary test case. >> >> What's really interresting about this test is that, >> although the sum total >> time required to perform 10000 ( or however many ) >> try-catch blocks to >> accomplish roughly the same thing as the <cfswitch> >> statements, is about 7-8 >> times as long, the maximum and average times in >> _both_ cases are identical, >> regardless of how many iterations are used. Or at >> least, this has been the >> case in my testing... >> >> Admittedly, this isn't real load testing, it's just >> a rudimentary time test, >> so it should be taken with a grain of salt. It also >> doesn't compare the >> try-catch to a <cfif> ladder, which might also be a >> relevant comparison. >> >> In any event, here's the code if you'd like to see >> the times for yourself: >> >> <cfparam name="url.iterations" type="numeric" >> default="10000"> >> >> <cfset request.times_try = ArrayNew(1)> >> <cfset request.times_switch = arraynew(1)> >> >> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 >> Transitional//EN"> >> <html><head><title>Try-Catch Time >> Test</title></head><body> >> >> <cfloop index="iteration" from="1" >> to="#url.iterations#"> >> <cfset starttime = gettickcount()> >> <cfset candrive = false> >> <cfset candrink = false> >> <cfset myage = RandRange(1,35)> >> >> <cfswitch expression="#myage#"> >> <cfcase >> value="1,2,3,4,5,6,7,8,9,10,11,12,13,14,15" >> delimiters=","> >> <cfset message="this is a tyke"> >> </cfcase> >> <cfcase value="16,17,18,19,20" delimiters=","> >> <cfset candrive = true> >> <cfset message="this is a teen"> >> </cfcase> >> <cfdefaultcase> >> <cfset candrink = 1> >> <cfset message="this is an adult"> >> </cfdefaultcase> >> </cfswitch> >> <cfset executiontime = gettickcount() - starttime> >> <cfset temp = >> arrayappend(request.times_switch,executiontime)> >> >> <cfset starttime = gettickcount()> >> <cfset candrive = false> >> <cfset candrink = false> >> <cfset myage = RandRange(1,35)> >> >> <cftry> >> <cfif myage lt 16><cfthrow type="tyke"></cfif> >> <cfset candrive = true> >> >> <cfif myage lt 21><cfthrow type="teen"></cfif> >> <cfset candrink = true> >> <cfset message="this is an adult"> >> >> <cfcatch type="tyke"><cfset message="this is a >> tyke"></cfcatch> >> <cfcatch type="teen"><cfset message="this is a >> teen"></cfcatch> >> </cftry> >> <cfset executiontime = gettickcount() - starttime> >> <cfset temp = >> arrayappend(request.times_try,executiontime)> >> </cfloop> >> >> <cfoutput> >> Iterations: #arraylen(request.times_switch)# - >> #arraylen(request.times_try)# >> <table> >> >> > <tr><td>method</td><td>min</td><td>max</td><td>avg</td><td > >sum</td></tr> >> <tr><td>switch</td> >> <td>#ceiling(arraymin(request.times_switch))#</td> >> <td>#ceiling(arraymax(request.times_switch))#</td> >> <td>#ceiling(arrayavg(request.times_switch))#</td> >> <td>#ceiling(arraysum(request.times_switch))#</td> >> </tr> >> <tr><td>try</td> >> <td>#ceiling(arraymin(request.times_try))#</td> >> <td>#ceiling(arraymax(request.times_try))#</td> >> <td>#ceiling(arrayavg(request.times_try))#</td> >> <td>#ceiling(arraysum(request.times_try))#</td> >> </tr> >> </table> >> </cfoutput> >> </body> >> >> >> Isaac Dealey >> Certified Advanced ColdFusion 5 Developer >> >> new epoch >> www.turnkey.to >> 954-776-0046 >> >> > ===== > I-Lin Kuo > Macromedia CF5 Advanced Developer > Sun Certified Java 2 Programmer > __________________________________________________ > Do you Yahoo!? > Faith Hill - Exclusive Performances, Videos & More > http://faith.yahoo.com > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ~~~~~~~~~~~| > Archives: > http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 > Subscription: http://www.houseoffusion.com/index.cfm?sideb > ar=lists&body=lists/cf_talk > FAQ: http://www.thenetprofits.co.uk/coldfusion/faq > Signup for the Fusion Authority news alert and keep up > with the latest news in ColdFusion and related topics. > http://www.fusionauthority.com/signup.cfm Isaac Certified Advanced ColdFusion 5 Developer www.turnkey.to 954-776-0046 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/index.cfm?sidebar=lists&body=lists/cf_talk FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Your ad could be here. Monies from ads go to support these lists and provide more resources for the community. http://www.fusionauthority.com/ads.cfm
