100 lines
2.0 KiB
JavaScript
100 lines
2.0 KiB
JavaScript
// bench_object.js — object/string/call benchmark (QuickJS)
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const iterations = 200000;
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function bench_record_create() {
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let r;
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for (let i = 0; i < iterations; i++) {
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r = {x: i, y: i + 1, z: i + 2};
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}
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return r.z;
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}
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function bench_prop_read() {
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const obj = {x: 10, y: 20, z: 30, w: 40};
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let s = 0;
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for (let i = 0; i < iterations; i++) {
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s = s + obj.x + obj.y + obj.z + obj.w;
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}
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return s;
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}
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function bench_dynamic_prop() {
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const obj = {a: 1, b: 2, c: 3, d: 4, e: 5};
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const keys = ["a", "b", "c", "d", "e"];
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let s = 0;
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for (let i = 0; i < iterations; i++) {
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for (let j = 0; j < 5; j++) {
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s = s + obj[keys[j]];
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}
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}
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return s;
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}
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function bench_string_concat() {
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let s = "";
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const n = 10000;
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for (let i = 0; i < n; i++) {
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s = s + "x";
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}
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return s.length;
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}
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function bench_interpolation() {
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let s = "";
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const n = 50000;
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for (let i = 0; i < n; i++) {
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s = `item_${i}`;
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}
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return s;
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}
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function make_point(x, y) {
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return {
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x: x,
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y: y,
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sum: function(self) {
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return self.x + self.y;
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}
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};
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}
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function bench_method_call() {
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const p = make_point(3, 4);
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let s = 0;
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for (let i = 0; i < iterations; i++) {
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s = s + p.sum(p);
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}
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return s;
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}
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function fib(n) {
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if (n <= 1) return n;
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return fib(n - 1) + fib(n - 2);
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}
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function bench_fncall() {
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let s = 0;
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for (let i = 0; i < 20; i++) {
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s = s + fib(25);
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}
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return s;
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}
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function run(name, fn) {
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const start = performance.now();
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const result = fn();
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const elapsed = performance.now() - start;
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console.log(` ${name}: ${elapsed.toFixed(2)} ms (result: ${result})`);
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}
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console.log("=== Object / String / Call Benchmark ===");
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console.log(` iterations: ${iterations}`);
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run("record_create ", bench_record_create);
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run("prop_read ", bench_prop_read);
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run("dynamic_prop ", bench_dynamic_prop);
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run("string_concat ", bench_string_concat);
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run("interpolation ", bench_interpolation);
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run("method_call ", bench_method_call);
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run("fncall_fib25 ", bench_fncall);
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