I was running Developer version with Default web server on the same box as my browser, mail, editor and apache web server (for Tomcat), MySQL, PointBase, PostgresSQL, SyBase db servers --- so I have a lot of other stuff going on on the same box.
I saw jsp times from 28-136 ms, but most often it was in the 40-50 ms range. I know that you can't use getTickCount() as an exact time but it should be valid for comparison. Dick On Tuesday, September 17, 2002, at 08:07 AM, Joe Eugene wrote: > Dick, > CFMX Enterprise was showing the below results for me > > Jsp=20ms > Cfm=3064ms > > consistently. Increasing the loops *Jsp* seemed to perform well.. > Cfm started to die off. > I happen to notice one abnormal behaviour as well for *.cfm > loops=1000000 > for(x=1;x lte loops;x=x+1) > If you reference the variable like "x lte loops" ,CFMX takes a hefty > 8903ms to run the code. I have no idea.. why this is happening. > > Anyways.. i think it comes down to the fact that the CFMX compiler > needs to produce more optimized Serlvet/bytecode. > I wonder how the CFMX compiler transforms *.cfm into servlet code? > Does CFMX actually change CFM Code to *Strong type*(int, String, > double > etc)? > if this is the case...we shouldnt see the huge performance difference. > Joe > > > >> -----Original Message----- >> From: Dick Applebaum [mailto:[EMAIL PROTECTED]] >> Sent: Tuesday, September 17, 2002 8:27 AM >> To: CF-Talk >> Subject: Re: FW: Jsp Vs Cfm (CFMX) -- Test Code >> >> >> Joe >> >> I didn't try the code, at first, because I can't run jsp under CFMX >> on >> the Mac. >> >> After your email I tried the comparison using jsp under Tomcat >> jwsdp-1_0-ea2. >> >> The results I got are significant. >> >> The cfm program consistently takes more than 40-80 times longer to run >> than the jsp program (under Tomcat), for example: >> >> cfm: 4110 ms >> jsp: 50 ms >> >> I fiddled with the program to make sure the actual loop was as similar >> as possible and that nothing but the loop was within the timing -- no >> significant affect. >> >> I tried longer loops with similar results. >> >> I changed the test to lt (<) instead of lte (<=), similar results. >> >> I changed the jsp increment x++ to match cfm's x=x+1 -- similar >> results. >> >> On Mac OS X both Tomcat and CFMX/JRun use the same underlying (Mac OS >> X) JVM (not the one installed with CFMX). >> >> The problem appears to be whatever CFMX uses to generate a Java >> program, is doing it (at least this loop) very inefficiently. >> >> Anyone else have any ideas? >> >> Dick >> >> >> >>> In reply to my Original Post for anybody interested in the Test code >>> Jsp code implemented in a Java class compiled with J2SE(JDK 1.4.1 RC) >>> produced the >>> same results as CFMX Jsp code. >>> >>> <!--- Jsp Code, cut and paste in a *.jsp file. This is for CFMX >>> Enterprise ---> >>> <% >>> long loops=1000000,sTime=0,eTime=0,r=0; >>> double i=0; >>> out.println(loops +" Loops<br>"); >>> sTime=System.currentTimeMillis(); >>> out.println(+sTime+"ms Start Time<br>"); >>> for(long x=1;x<=loops;x++){ >>> r=r+x; >>> } >>> eTime=System.currentTimeMillis(); >>> out.println(r+" Result<br>"); >>> out.println(eTime+"ms End Time<br>"); >>> out.println((eTime-sTime)+"ms Execution Time<br>"); >>> i=(eTime-sTime)/1000; >>> out.println(i+"seconds"); >>> %> >>> >>> <!-- Cfm Code, "loops" var in the for statement took more than double >>> the >>> time to run, i am not sure why? --> >>> <cfscript> >>> loops=1000000;z=0; >>> writeOutput(loops & " Loops<br>"); >>> sTime=GetTickCount(); >>> writeOutput(sTime & "ms Start Time<br>"); >>> for(x=1;x lte 1000000;x=x+1)/*<=loops takes more than double the >>> time*/ >>> {z=z+x;} >>> eTime=GetTickCount(); >>> writeOutput(z & " Result<br>"); >>> writeOutput(eTime & "ms End Time<br>"); >>> writeOutput(eTime-sTime&"ms Execution Time<br>"); >>> writeOutput((eTime-sTime)/1000&"seconds"); >>> </cfscript> >>> >>> >>> Joe Eugene >>> Certified Advanced ColdFusion Developer >>> >> >> > ______________________________________________________________________ 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 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Archives: http://www.mail-archive.com/cf-talk@houseoffusion.com/ Unsubscribe: http://www.houseoffusion.com/index.cfm?sidebar=lists
