Created
June 28, 2020 16:27
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will read un-gzipped test data from https://github.com/pkg/json/tree/master/testdata; run as: deno run -A test-deno.js
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| import { readJsonSync } | |
| from "https://deno.land/std/fs/mod.ts"; | |
| const repetitions = 100 | |
| const dir = './testdata' | |
| for(const file of Deno.readDirSync(dir)) { | |
| const fileName = `${dir}/${file.name}` | |
| const bytes = Deno.statSync(fileName).size | |
| let i = 1, avg = 0 | |
| for(; i <= repetitions; i++) { | |
| const t = Date.now() | |
| const parsed = readJsonSync(fileName) | |
| const duration = Date.now() - t | |
| avg += duration | |
| } | |
| avg /= i | |
| const mbs = '' + Math.round((bytes / 1e6) / (avg / 1000)) | |
| const avgMs = '' + Math.round(avg) | |
| console.log(` ${file.name.padEnd(20, ' ')} --> ` + | |
| `${avgMs.padStart(4, ' ')} ms, ` + | |
| `${mbs.padStart(4, ' ')} MB/s`) | |
| } |
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