Files: a232a27223e6271a0a8df295040c1e0c299d1227 / benchmark / radixTree.js
2065 bytesRaw
1 | const IPFS = require('ipfs') |
2 | const crypto = require('crypto') |
3 | const RadixTree = require('../') |
4 | const cbor = require('borc') |
5 | const zlib = require('zlib') |
6 | |
7 | // start ipfs |
8 | const node = new IPFS({ |
9 | start: false, |
10 | repo: './ipfs-repo' |
11 | }) |
12 | |
13 | node.on('ready', async () => { |
14 | const tree = new RadixTree({ |
15 | dag: node.dag, |
16 | // root: { '/': 'zdpuArkpWFfw49S1tNLY26YNkHCoKt2CG7rJ6iCaqkcwsGqH7' } |
17 | }) |
18 | |
19 | const entries = 10000 // 5117051 |
20 | console.log('entries', entries) |
21 | for (let i = 0; i < entries; i++) { |
22 | const key = crypto.createHash('sha256').update(i.toString()).digest().slice(0, 20) |
23 | await tree.set(key, i) |
24 | } |
25 | console.log('flushing') |
26 | const sr = await tree.flush() |
27 | console.log('done', sr) |
28 | |
29 | let proofSize = 0 |
30 | let compressedSize = 0 |
31 | |
32 | for (let i = 0; i < entries; i++) { |
33 | const tree = new RadixTree({ |
34 | dag: node.dag, |
35 | root: {'/': sr['/']} |
36 | }) |
37 | const key = crypto.createHash('sha256').update(i.toString()).digest().slice(0, 20) |
38 | await tree.get(key) |
39 | // console.log(JSON.stringify(tree.root, null, 2)) |
40 | const encoded = cbor.encode(tree.root) |
41 | proofSize += encoded.length |
42 | |
43 | const gzip = zlib.createGzip() |
44 | gzip.on('data', (data) => { |
45 | compressedSize += data.length |
46 | }) |
47 | const promise = new Promise((resolve, reject) => { |
48 | gzip.on('end', () => { |
49 | resolve() |
50 | }) |
51 | }) |
52 | gzip.end(encoded) |
53 | await promise |
54 | } |
55 | console.log('cbor size', proofSize / entries) |
56 | console.log('compressed size', compressedSize / entries) |
57 | }) |
58 | |
59 | // if (i % 10000 === 0) { |
60 | // console.log(i) |
61 | // console.log(JSON.stringify(tree.root, null, 2)) |
62 | // try { |
63 | // let start = new Date() |
64 | // let hrstart = process.hrtime() |
65 | // await tree.flush() |
66 | // const end = new Date() - start |
67 | // const hrend = process.hrtime(hrstart) |
68 | |
69 | // console.info('Execution time: %dms', end) |
70 | // console.info('Execution time (hr): %ds %dms', hrend[0], hrend[1] / 1000000) |
71 | // console.log(tree.root) |
72 | // start = new Date() |
73 | // hrstart = process.hrtime() |
74 | // } catch (e) { |
75 | // console.log(e) |
76 | // } |
77 | // } |
78 |
Built with git-ssb-web