intari

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  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

	## Setup java

	if [ `uname -m` == 'x86_64' ]; then
	PATH="/usr/lib64/jvm/java-7-oracle/jre/bin/"
	JAVA_HOME="/usr/lib64/jvm/java-7-oracle/"
	else
	PATH="/usr/lib/jvm/java-7-oracle/jre/bin/"
	JAVA_HOME="/usr/lib/jvm/java-7-oracle/"
	fi

	// Copyright 2012 Square, Inc.
	package com.squareup.widgets;

	import android.content.Context;
	import android.content.res.TypedArray;
	import android.util.AttributeSet;
	import android.widget.ImageView;

	/** Maintains an aspect ratio based on either width or height. Disabled by default. */
	public class AspectRatioImageView extends ImageView {