TryCF Gist

trycf-gist-1589957275011-6586cf3a-4a71-408e-4adb-fb6499b81ecd.cfm

<cfscript>
function testNS(susi) {
    local.whatever=1; // added to give testLS the same starting pos
    if(susi==1) susi=2;
}
function testLS() {
    local.susi=1;
    if(susi==1) susi=2;
}

function testWS(susi) {
    local.whatever=1; // added to give testLS the same starting pos
    if(arguments.susi==1) arguments.susi=2;
}
iterations=100000;
loop times=20 {
    // WITH SCOPE
    var start=getTickCount();
    loop from=1 to=iterations item="local.i" {
        testWS(1);
    }
    var res=getTickCount()-start
    if(isNull(fastest.withArg) || fastest.withArg>res ) fastest.withArg=res;
    // WITHOUT SCOPE
    var start=getTickCount();
    loop from=1 to=iterations item="local.i" {
        testNS(1);
    }
    var res=getTickCount()-start
    if(isNull(fastest.withoutArg) || fastest.withoutArg>res ) fastest.withoutArg=res;
    
    // WITH Local SCOPE
    var start=getTickCount();
    loop from=1 to=iterations item="local.i" {
        testLS(1);
    }
    var res=getTickCount()-start
    if(isNull(fastest.withLocal) || fastest.withLocal>res ) fastest.withLocal=res;
    
}
dump(fastest);
dump(label:"diff between no scope definition and arg def in %",var:int(100-(100/fastest.withoutArg*fastest.withArg))&"%");
dump(label:"diff between arg and local scope in %",var:int(100-(100/fastest.withoutArg*fastest.withLocal))&"%");

dump(label:"diff between no scope definition local access and arg in %",var:int(100-(100/fastest.withLocal*fastest.withArg))&"%");

</cfscript>