Do not Measure the Weather

Java VM V8 Dart VM complexity ChaCha20 function getBlock(buffer) { var x = new Uint32Array(16); for (var i = 16; i--;) x[i] = input[i]; for (var i = 20; i > 0; i -= 2) { quarterRound(x, 0, 4, 8,12); quarterRound(x, 1, 5, 9,13); quarterRound(x, 2, 6,10,14); quarterRound(x, 3, 7,11,15); quarterRound(x, 0, 5,10,15); quarterRound(x, 1, 6,11,12); quarterRound(x, 2, 7, 8,13); quarterRound(x, 3, 4, 9,14)

[efcl]

jsperfなどでパフォーマンス計測するときの原則 1. verify results 2. no constants 3. no loop invariants 4. no dead code

[yosuke_furukawa]

IRHydraに慣れておきたい

[slowquery]

Benchmarking JS