david-a-perez

// time:   [1.8843 µs 1.8897 µs 1.8955 µs]
pub fn original(input: &[u8]) -> Option<usize> {
    let mut idx = 0;
    'outer: while idx + 13 < input.len() {
        let mut state = 0;
        for (next_idx, byte) in input[idx..idx + 14].iter().enumerate().rev() {
            let bit_idx = byte % 32;
            if state & (1 << bit_idx) != 0 {
                idx += next_idx + 1;
                continue 'outer;

dmnsgn

const listeners = (function listAllEventListeners() {
  let elements = [];
  const allElements = document.querySelectorAll('*');
  const types = [];
  for (let ev in window) {
    if (/^on/.test(ev)) types[types.length] = ev;
  }

  for (let i = 0; i < allElements.length; i++) {
    const currentElement = allElements[i];

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD