Attempt to compare performance of ColdFusion StructKeyExists() versus keyExists() (cfml)

structKeyExists-vs-keyExists.cfm

<!--- 20211230 https://gist.github.com/JamoCA/809c58aaff993cccd979c143f8de7698 --->
<h2>Attempt to compare performance of StructKeyExists() versus keyExists()</h2>
<cfscript>

request.nanoTime = createObject("java", "java.lang.System"); 

numeric function getNano() output=false hint="returns nano time (more accurate)" {
	return request.nanoTime.nanoTime();
}

results = [:];
s = {};
maxLoop = 2000;

t = getNano();
for (i=1; i <= maxLoop; i+=1) structKeyExists(s, "a");
results["#numberFormat(maxLoop)# StructKeyExists()"] = val(getNano()-t);

t = getNano();
for (i=1; i <= maxLoop; i+=1) s.keyExists("a");
results["#numberFormat(maxLoop)# keyExists()"] = val(getNano()-t);

t = getNano();
for (i=1; i <= maxLoop; i+=1) structKeyExists(s, "a");
results["#numberFormat(maxLoop)# StructKeyExists() [2nd]"] = val(getNano()-t);

writeOutput("<hr>");

t = getNano();
structKeyExists(s, "a");
results["1 StructKeyExists()"] = val(getNano()-t);

t = getNano();
s.keyExists("a");
results["1 keyExists()"] = val(getNano()-t);

writeoutput("<div><b>CF Version:</b> #SERVER.ColdFusion.ProductVersion#</div>");
writeDump(var=results, label="StructKeyExists vs keyExists");

</cfscript>