Brunobkr/llama.cpp_AlgMor24_github

1var frame = 0, // is an animation frame pending?2    timeout = 0, // is a timeout pending?3    interval = 0, // are any timers active?4    pokeDelay = 1000, // how frequently we check for clock skew5    taskHead,6    taskTail,7    clockLast = 0,8    clockNow = 0,9    clockSkew = 0,10    clock = typeof performance === "object" && performance.now ? performance : Date,11    setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); };12 13export function now() {14  return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew);15}16 17function clearNow() {18  clockNow = 0;19}20 21export function Timer() {22  this._call =23  this._time =24  this._next = null;25}26 27Timer.prototype = timer.prototype = {28  constructor: Timer,29  restart: function(callback, delay, time) {30    if (typeof callback !== "function") throw new TypeError("callback is not a function");31    time = (time == null ? now() : +time) + (delay == null ? 0 : +delay);32    if (!this._next && taskTail !== this) {33      if (taskTail) taskTail._next = this;34      else taskHead = this;35      taskTail = this;36    }37    this._call = callback;38    this._time = time;39    sleep();40  },41  stop: function() {42    if (this._call) {43      this._call = null;44      this._time = Infinity;45      sleep();46    }47  }48};49 50export function timer(callback, delay, time) {51  var t = new Timer;52  t.restart(callback, delay, time);53  return t;54}55 56export function timerFlush() {57  now(); // Get the current time, if not already set.58  ++frame; // Pretend we’ve set an alarm, if we haven’t already.59  var t = taskHead, e;60  while (t) {61    if ((e = clockNow - t._time) >= 0) t._call.call(undefined, e);62    t = t._next;63  }64  --frame;65}66 67function wake() {68  clockNow = (clockLast = clock.now()) + clockSkew;69  frame = timeout = 0;70  try {71    timerFlush();72  } finally {73    frame = 0;74    nap();75    clockNow = 0;76  }77}78 79function poke() {80  var now = clock.now(), delay = now - clockLast;81  if (delay > pokeDelay) clockSkew -= delay, clockLast = now;82}83 84function nap() {85  var t0, t1 = taskHead, t2, time = Infinity;86  while (t1) {87    if (t1._call) {88      if (time > t1._time) time = t1._time;89      t0 = t1, t1 = t1._next;90    } else {91      t2 = t1._next, t1._next = null;92      t1 = t0 ? t0._next = t2 : taskHead = t2;93    }94  }95  taskTail = t0;96  sleep(time);97}98 99function sleep(time) {100  if (frame) return; // Soonest alarm already set, or will be.101  if (timeout) timeout = clearTimeout(timeout);102  var delay = time - clockNow; // Strictly less than if we recomputed clockNow.103  if (delay > 24) {104    if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew);105    if (interval) interval = clearInterval(interval);106  } else {107    if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay);108    frame = 1, setFrame(wake);109  }110}111