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@nolanamy

nolanamy/hat-collisions.js

Created April 21, 2015 19:05
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Check for hat() collisions
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hat-collisions.js
var hat = require('hat');
var _ = require('lodash');
var rack = {};
for(var i = 0; i < 1000000; i++) {
var id = hat();
rack[id] = rack[id] ? rack[id] + 1 : 1;
}
var dupes = _.filter(rack, function(a) { return a > 1 });
console.log(dupes);
@nolanamy
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Consistently 0 collisions. Collisions only seem to happen after server reboots or something like that.

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