mafintosh

       S
     /  \
     B - A

  A requests 0 when there only one piece of data
  A (0)

  A goes offline

mafintosh

console.log(Math.clz32(42424), clz(42424))

function clz(x) {
  // Let n be ToUint32(x).
  // Let p be the number of leading zero bits in 
  // the 32-bit binary representation of n.
  // Return p.    
  if (x == null || x === 0) {
    return 32;
  }

mafintosh

npm-clone () {
  if echo $1 | grep '/' >/dev/null; then
    git clone git@github.com:$1.git
  else
    git clone git@github.com:mafintosh/$1.git
  fi
  cd $(echo $1 | sed 's|.*/||')
  [ -f "package.json" ] && npm install
  cd ..
}

mafintosh

const noise = require('noise-peer')
const network = require('@hyperswarm/network')
const jsonStream = require('duplex-json-stream')
const hypercore = require('hypercore')
const pump = require('pump')

const swarm = network()
const hyperswarm = network()

const publicKey = Buffer.from(process.argv[2], 'hex')

mafintosh

{
  "name": "kappa-workshop",
  "description": "P2P collaboration workshop",
  "license": "MIT",
  "dependencies": {
    "chalk": "^2.4.1",
    "discovery-swarm": "^5.1.2",
    "hypercore": "^6.20.2",
    "kappa-core": "^2.3.2",
    "kappa-view-kv": "^2.0.1",

mafintosh

dat://a50ec5d10f61c2e6e4f7d8cd67324603052b0450dc187a86b1134c662a52599c

mafintosh

const zlib = require('zlib');
const { Writable } = require('stream');

const ts = zlib.createGzip();
const buf = Buffer.allocUnsafe(1024 * 1024 * 20);

ts.on('data', common.mustCall(() => ts.close()));
ts.end(buf);

mafintosh

const zlib = require('zlib')
const { Writable } = require('stream')

const ts = zlib.createGzip()

const ws = new Writable({
  write (chunk, enc, cb) {
    setImmediate(cb)
    ts.close()
  }

mafintosh

const hooks = require('async_hooks')

const promises = new Set()

const hook = hooks.createHook({
  init (asyncId, type) {
    if (type === 'PROMISE') {
      promises.add(asyncId)
    }
  },

mafintosh

lookup static route x 52,214,074 ops/sec ±0.49% (94 runs sampled)
lookup dynamic route x 11,251,578 ops/sec ±1.89% (89 runs sampled)
lookup dynamic multi-parametric route x 7,225,928 ops/sec ±2.04% (91 runs sampled)
find dynamic multi-parametric route with regex (NOT FULLY IMPLEMENTED, BUT FOLLOWING TREND SOFAR)
lookup long static route x 7,017,902 ops/sec ±0.75% (87 runs sampled)
lookup long dynamic route x 5,324,800 ops/sec ±1.48% (89 runs sampled)
find static route x 53,943,393 ops/sec ±1.72% (88 runs sampled)
find dynamic route x 15,433,000 ops/sec ±1.87% (89 runs sampled)
find dynamic multi-parametric route x 14,652,641 ops/sec ±1.00% (93 runs sampled)
find dynamic multi-parametric route with regex (NOT FULLY IMPLEMENTED, BUT FOLLOWING TREND SOFAR)