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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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# !/bin/bash | |
# Copyright (c) 2011 Float Mobile Learning | |
# http://www.floatlearning.com/ | |
# | |
# 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 |
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#!/bin/sh | |
echo "What should the Application be called (no spaces allowed e.g. GCal)?" | |
read inputline | |
name="$inputline" | |
echo "What is the url (e.g. https://www.google.com/calendar/render)?" | |
read inputline | |
url="$inputline" |