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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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Function::property = (prop, desc) -> | |
Object.defineProperty @prototype, prop, desc | |
class Person | |
constructor: (@firstName, @lastName) -> | |
@property 'fullName', | |
get: -> "#{@firstName} #{@lastName}" | |
set: (name) -> [@firstName, @lastName] = name.split ' ' | |
p = new Person 'Leroy', 'Jenkins' |
GNU Octave is a high-level interpreted language, primarily intended for numerical computations.
(via GNU Octave)
Hint: I also mad an octave docset for Dash: https://github.com/obstschale/octave-docset
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// Copyright (c) 2017 Ismael Celis | |
// 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 |
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/** | |
* Fancy ID generator that creates 20-character string identifiers with the following properties: | |
* | |
* 1. They're based on timestamp so that they sort *after* any existing ids. | |
* 2. They contain 72-bits of random data after the timestamp so that IDs won't collide with other clients' IDs. | |
* 3. They sort *lexicographically* (so the timestamp is converted to characters that will sort properly). | |
* 4. They're monotonically increasing. Even if you generate more than one in the same timestamp, the | |
* latter ones will sort after the former ones. We do this by using the previous random bits | |
* but "incrementing" them by 1 (only in the case of a timestamp collision). | |
*/ |
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"""An example of how to use tf.Dataset in Keras Model""" | |
import tensorflow as tf # only work from tensorflow==1.9.0-rc1 and after | |
_EPOCHS = 5 | |
_NUM_CLASSES = 10 | |
_BATCH_SIZE = 128 | |
def training_pipeline(): | |
# ############# | |
# Load Dataset |
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