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#!/bin/bash | |
# Copyright 2017 Théo Chamley | |
# Permission is hereby granted, free of charge, to any person obtaining a copy of | |
# this software and associated documentation files (the "Software"), to deal in the Software | |
# without restriction, including without limitation the rights to use, copy, modify, merge, | |
# publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons | |
# to whom the Software is furnished to do so, subject to the following conditions: | |
# | |
# The above copyright notice and this permission notice shall be included in all copies or |
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Latency Comparison Numbers | |
-------------------------- | |
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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# install dependencies | |
sudo apt-get update | |
sudo apt-get install -y build-essential | |
sudo apt-get install -y cmake | |
sudo apt-get install -y libgtk2.0-dev | |
sudo apt-get install -y pkg-config | |
sudo apt-get install -y python-numpy python-dev | |
sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev | |
sudo apt-get install -y libjpeg-dev libpng-dev libtiff-dev libjasper-dev | |