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This example expects to have d3.min.js and d3.layout.min.js in the same directory as pie.js and pie_serv.js. | |
Run with node pie_serv.js |
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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 |
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{ | |
"AWSTemplateFormatVersion": "2010-09-09", | |
"Description": "VPC knowhow template", | |
"Parameters": { | |
"KeyName": { | |
"Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances", | |
"Type": "String", | |
"MinLength": "1", | |
"MaxLength": "64", | |
"AllowedPattern": "[-_ a-zA-Z0-9]*", |
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#!/bin/bash | |
# Author: Erik Kristensen | |
# Email: erik@erikkristensen.com | |
# License: MIT | |
# Nagios Usage: check_nrpe!check_docker_container!_container_id_ | |
# Usage: ./check_docker_container.sh _container_id_ | |
# | |
# Depending on your docker configuration, root might be required. If your nrpe user has rights | |
# to talk to the docker daemon, then root is not required. This is why root privileges are not |
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%matplotlib inline | |
import sys | |
import matplotlib.pyplot as plt | |
import numpy as np | |
import scipy.stats as st | |
from matplotlib import animation as ani | |
import sklearn.metrics as mt |
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#!/usr/bin/env python3 | |
""" | |
Using Fermat's little theorem to calculate nCk mod m, for k < m and m is prime | |
Two versions: | |
1. Pre-Compute factorials and multiplicative inverses in O(n*logn) --> later lookup in O(1) | |
2. Compute directly --> no lookup --> each time O(n) | |
""" |