102 lines
1.6 KiB
TypeScript
102 lines
1.6 KiB
TypeScript
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const a: number[] = [];
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function time(fn: () => void): number {
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const now = Date.now();
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fn();
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return Date.now() - now;
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}
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function unshift(number: number) {
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for (let i = 0; i < number; ++i) {
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a.unshift(Math.random());
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}
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}
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function shift(number: number) {
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for (let i = 0; i < number; ++i) {
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a.shift();
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}
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}
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function push(number: number) {
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for (let i = 0; i < number; ++i) {
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a.push(Math.random());
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}
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}
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function pop(number: number) {
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for (let i = 0; i < number; ++i) {
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a.pop();
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}
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}
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function get(idx: number) {
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return function() {
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a[idx];
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};
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}
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function push_arr(count: number) {
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return function() {
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push(count);
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};
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}
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function pop_arr(count: number) {
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return function() {
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pop(count);
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};
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}
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function unshift_arr(count: number) {
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return function() {
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unshift(count);
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};
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}
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function shift_arr(count: number) {
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return function() {
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shift(count);
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};
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}
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const tests = [10, 100, 1000, 10000, 100000, 1_000_000, 10_000_000];
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console.log("Testing get");
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tests.forEach(t => {
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a.length = 0;
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push(t);
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console.log(t, time(get(t - 1)));
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});
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console.log("push");
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tests.forEach(t => {
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a.length = 0;
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push(t);
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console.log(t, time(push_arr(1000)));
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});
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console.log("pop");
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tests.forEach(t => {
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a.length = 0;
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push(t);
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console.log(t, time(pop_arr(1000)));
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});
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console.log("unshift");
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tests.forEach(t => {
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a.length = 0;
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push(t);
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console.log(t, time(unshift_arr(1000)));
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});
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console.log("shift");
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tests.forEach(t => {
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a.length = 0;
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push(t);
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console.log(t, time(shift_arr(1000)));
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});
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