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guidefreitas / dnn.py
Created August 10, 2014 18:52 — forked from syhw/dnn.py
"""
A deep neural network with or w/o dropout in one file.
"""
import numpy, theano, sys, math
from theano import tensor as T
from theano import shared
from theano.tensor.shared_randomstreams import RandomStreams
from collections import OrderedDict
@guidefreitas
guidefreitas / latency.txt
Created May 31, 2012 16:50 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 ns
Send 2K bytes over 1 Gbps network 20,000 ns
Read 1 MB sequentially from memory 250,000 ns
Round trip within same datacenter 500,000 ns
Disk seek 10,000,000 ns

Integers

1 + 1
2 * 2
5 / 3
5 % 3
5 ** 2
@guidefreitas
guidefreitas / gist:2489103
Created April 25, 2012 11:38 — forked from shripadk/gist:652819
Express authentication using Redis for session store and Couchdb for database (in coffeescript!)
###
Module dependencies
###
require.paths.unshift "#{__dirname}/lib/support/express-csrf/"
require.paths.unshift "#{__dirname}/lib/support/node_hash/lib/"
express = require 'express'
app = module.exports = express.createServer()
RedisStore = require 'connect-redis'