73 lines
2.3 KiB
TypeScript
73 lines
2.3 KiB
TypeScript
// Copyright 2017-2021 @polkadot/util-crypto authors & contributors
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
import { formatDecimal, formatNumber } from '@polkadot/util';
|
|
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
type ExecFn = (...params: any[]) => unknown;
|
|
|
|
function loop (count: number, inputs: unknown[][], exec: ExecFn): [number, unknown[]] {
|
|
const start = Date.now();
|
|
const results = new Array<unknown>(inputs.length);
|
|
|
|
for (let i = 0; i < count; i++) {
|
|
const result = exec(...inputs[i % inputs.length]);
|
|
|
|
if (i < inputs.length) {
|
|
results[i] = result;
|
|
}
|
|
}
|
|
|
|
return [Date.now() - start, results];
|
|
}
|
|
|
|
export function formatFixed (value: number): string {
|
|
const [a, b] = value.toFixed(2).split('.');
|
|
|
|
return [formatDecimal(a), b].join('.');
|
|
}
|
|
|
|
export function formatOps (count: number, time: number): string {
|
|
const micro = (time * 1000) / count;
|
|
const ops = 1_000_000 / micro;
|
|
|
|
return `
|
|
${formatFixed(ops).padStart(15 + 20)} ops/s
|
|
${formatFixed(micro).padStart(15 + 20)} μs/op`;
|
|
}
|
|
|
|
export function performance (name: string, count: number, inputs: unknown[][], exec: ExecFn): void {
|
|
it(`performance: ${name}`, (): void => {
|
|
const [time] = loop(count, inputs, exec);
|
|
|
|
console.log(`
|
|
performance run for ${name} completed with ${formatNumber(count)} iterations.
|
|
|
|
${`${name}:`.padStart(19)} ${time.toString().padStart(15)} ms${formatOps(count, time)}
|
|
`);
|
|
});
|
|
}
|
|
|
|
export function performanceCmp (name: string, [first, second]: [string, string], count: number, inputs: unknown[][], exec: ExecFn): void {
|
|
it(`performance: ${name}`, (): void => {
|
|
const pa = inputs.map((values) => [...values, false]);
|
|
const pb = inputs.map((values) => [...values, true]);
|
|
const [ta, ra] = loop(count, pa, exec);
|
|
const [tb, rb] = loop(count, pb, exec);
|
|
|
|
console.log(`
|
|
performance run for ${name} completed with ${formatNumber(count)} iterations.
|
|
|
|
${`${first}:`.padStart(19)} ${ta.toString().padStart(15)} ms ${ta < tb ? '(fastest)' : `(slowest, ${(ta / tb).toFixed(2)}x)`}${formatOps(count, ta)}
|
|
|
|
${`${second}:`.padStart(19)} ${tb.toString().padStart(15)} ms ${ta > tb ? '(fastest)' : `(slowest, ${(tb / ta).toFixed(2)}x)`}${formatOps(count, tb)}
|
|
`);
|
|
|
|
const unmatched = ra.filter((r, i) =>
|
|
JSON.stringify(r) !== JSON.stringify(rb[i])
|
|
);
|
|
|
|
expect(unmatched.length).toEqual(0);
|
|
});
|
|
}
|