After testing three fibonacci algorithms on jsben.ch, it's clear that the first one is the fastest and even received an award icon:
https://i.sstatic.net/ilfDz.png
However, I'm curious about the numbers next to the code block results. What do they signify? The higher number indicates better performance, but what unit of measurement is used?
In my opinion, the most logical unit of measurement for the result is likely to be ops/sec, indicating how many operations can be performed in a second.
It would enhance clarity if jsben.ch explicitly specified this information to prevent any misunderstandings, or at least provided an explanation in the help section (which is currently missing).
Upon inspecting the code in the element, it appears that they are solely focusing on creating a benchmark based on the execution time or as referred to inside the code runTime = a - s.
Extract from the code snippet:
for (var u of e.model.codeBlocks) {
u.result.percent = 0,
yield e.$sleep(e.model.pausePerBlock);
var m = e.runTestForAmountOfTime(u, e.model.timeToRun);
u.result = {
runTime: m.runTime,
amountOfRounds: m.counter,
percent: 0
};
var p = m.timer - d;
e.state.app.testProgress = Math.round(100 / c * p),
e.state.app.testProgress > 100 && (e.state.app.testProgress = 100),
yield e.$sleep(e.model.pausePerBlock)
}
Lastly, there is the function: runTestForAmountofTime:
runTestForAmountOfTime(e, t) {
var o = "benchmark_" + e.id
, a = performance.now()
, s = performance.now()
, r = 0;
do {
this.iframe.contentWindow[o](arguments),
r++,
s = performance.now()
} while (s - a < t && !this.model.errorMessage);
return {
counter: r,
runTime: a - s, // The crucial point lies here
timer: s
}
}
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