start new:
tmux
start new with session name:
tmux new -s myname
from numpy import * | |
from scipy.stats import beta | |
class BetaBandit(object): | |
def __init__(self, num_options=2, prior=(1.0,1.0)): | |
self.trials = zeros(shape=(num_options,), dtype=int) | |
self.successes = zeros(shape=(num_options,), dtype=int) | |
self.num_options = num_options | |
self.prior = prior |
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 |
Using Python's built-in defaultdict we can easily define a tree data structure:
def tree(): return defaultdict(tree)
That's it!
#!/usr/bin/env python | |
import subprocess, os, glob | |
## Rename wav files using frequency and pitch detection: | |
## GTR_08.wav ---> automated pitch detection & file renaming ---> C - 130.81 Hz - GTR_08.wav | |
WAV_DIR = r"C:/Conversion" | |
AUBIO_DIR = r"C:/Conversion" |
#!/usr/bin/env bash | |
# memusg -- Measure memory usage of processes | |
# Usage: memusg COMMAND [ARGS]... | |
# | |
# Author: Jaeho Shin <[email protected]> | |
# Created: 2010-08-16 | |
############################################################################ | |
# Copyright 2010 Jaeho Shin. # | |
# # | |
# Licensed under the Apache License, Version 2.0 (the "License"); # |