Diffusion Ant (mir/inline-method) Code

ant/tests/bench_includes_generic_proxy.cjs
3fa05edd2fe3mir/inline-method

bench_includes_generic_proxy.cjs
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			function runBench(label, fn, options) {
			const warmup = options && options.warmup ? options.warmup : 5;
			const samples = options && options.samples ? options.samples : 10;

			for (let i = 0; i < warmup; i++) fn();

			let min = Infinity;
			let max = -Infinity;
			let total = 0;
			let last = 0;

			for (let i = 0; i < samples; i++) {
			const start = performance.now();
			last = fn();
			const elapsed = performance.now() - start;
			if (elapsed < min) min = elapsed;
			if (elapsed > max) max = elapsed;
			total += elapsed;
			}

			console.log(label);
			console.log(` result: ${last}`);
			console.log(` mean: ${ (total / samples).toFixed(3) } ms`);
			console.log(` min: ${ min.toFixed(3) } ms`);
			console.log(` max: ${ max.toFixed(3) } ms`);
			}

			const generic = {
			get length() {
			return 1024;
			},
			get 1023() {
			return 1;
			}
			};

			const proxy = new Proxy(
			{ length: 4, 0: NaN, 1: 0, 2: NaN, 3: 1 },
			{
			get(target, key) {
			return target[key];
			}
			}
			);

			runBench("generic array-like with getter", () => {
			let hits = 0;
			for (let r = 0; r < 20000; r++) {
			if ([].includes.call(generic, 1, 1023)) hits++;
			}
			return hits;
			});

			runBench("proxy includes", () => {
			let hits = 0;
			for (let r = 0; r < 20000; r++) {
			if (Array.prototype.includes.call(proxy, NaN, 1)) hits++;
			}
			return hits;
			});

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