---------- Forwarded message ----------
From: Mark S. Miller <erights@google.com>
Date: Tue, Nov 16, 2010 at 3:44 PM
Subject: "Future of Javascript" doc from our internal "JavaScript Summit"
last week
To: javascript-standard@google.com
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 |
-- PostgreSQL 9.2 beta (for the new JSON datatype) | |
-- You can actually use an earlier version and a TEXT type too | |
-- PL/V8 http://code.google.com/p/plv8js/wiki/PLV8 | |
-- Inspired by | |
-- http://people.planetpostgresql.org/andrew/index.php?/archives/249-Using-PLV8-to-index-JSON.html | |
-- http://ssql-pgaustin.herokuapp.com/#1 | |
-- JSON Types need to be mapped into corresponding PG types | |
-- |
/* | |
* Simple Pub/Sub Implementation for jQuery | |
* | |
* Inspired by work from Peter Higgins (https://github.com/phiggins42/bloody-jquery-plugins/blob/master/pubsub.js) | |
* | |
* This is about the simplest way to write a pubsub JavaScript implementation for use with jQuery. | |
*/ | |
(function( $ ) { | |
// Cache of all topics |
---------- Forwarded message ----------
From: Mark S. Miller <erights@google.com>
Date: Tue, Nov 16, 2010 at 3:44 PM
Subject: "Future of Javascript" doc from our internal "JavaScript Summit"
last week
To: javascript-standard@google.com
// Ported from Stefan Gustavson's java implementation | |
// http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf | |
// Read Stefan's excellent paper for details on how this code works. | |
// | |
// Sean McCullough banksean@gmail.com | |
/** | |
* You can pass in a random number generator object if you like. | |
* It is assumed to have a random() method. | |
*/ |