sapphi-red

import { Bench } from 'tinybench'
import { original_stringify_string, new_stringify_string } from './func.js'

const inputs = ['longg', 'long\n', '""\n""', '<foo>', '<<<<<']
const repeats = [2, 20, 200, 2000]

const bench = new Bench()

for (const [i, input] of inputs.entries()) {
  for (const r of repeats) {

sapphi-red

Terms

• times
  • start up time: the time from "the command is executed" to the time "load event is triggered in browser".
  • root HMR time: the time from "the root file is changed" to the time "that file is executed in browser".
  • leaf HMR time: the time from "the leaf file is changed" to the time "that file is executed in browser".
• cold/hot start
  • cold start: the dependency optimization cache is deleted before each run
  • hot start: the dependency optimization cache exists by each run

Summary

sapphi-red

Terms

• start up time: the time from "the command is executed" to the time "load event is triggered in browser".

• root HMR time: the time from "the root file is changed" to the time "that file is executed in browser".

• leaf HMR time: the time from "the leaf file is changed" to the time "that file is executed in browser".

• cold start: the dependency optimization cache is deleted before each run

• hot start: the dependency optimization cache exists by each run

Summary

• Using sapphi-red/performance-compare@81e8bd2bb1192566ff18f284fd78691d2d417c0d.

sapphi-red

import { Worker } from 'worker_threads'

function genWorkerCode(fn) {
  return `
const doWork = ${fn.toString()}
const { parentPort } = require('worker_threads')
parentPort.on('message', async (args) => {
  const res = await doWork(...args)
  parentPort.postMessage(res)
})

sapphi-red

import fs from 'node:fs/promises'
import path from 'node:path'
import { appendUse } from './utils'

export const convert = async (p: string): Promise<string[]> => {
  const content = await fs.readFile(p, 'utf-8')

  let replacedContent = content.replace(
    /\/use\/(\w+)/g,
    (_m, p1) => `/composables/${appendUse(p1)}`

sapphi-red

const t = typeof vi !== 'undefined' ? vi : jest

test('Math.random mock', () => {
  // const original = Math.random
  const mocked = t.fn(() => 0.1);
  Math.random = mocked
  // Math.random = original
});

sapphi-red

package prediction

import (
	"math/rand"
	"testing"
)

func BenchmarkEvery(b *testing.B) {
	howmany := 10000000
	out := [10000000]int{}

sapphi-red

回転させるスクリプト

• rotate_emoji.sh: 透過
• rotate_emoji1.sh: 背景白

sapphi-red

import java.util.*;
public class Solve {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    for(int i = 0; i < n; i++){
      char[] y = sc.next().toCharArray();
      char[] x = sc.next().toCharArray();
      int sum = 0;
      sum += Character.getNumericValue(y[0]) * 2;