Damon McDougall dmcdougall
dmcdougall
/ test.cpp
Created
September 29, 2013 20:45
— forked from simleb/test.cpp
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| #include <iostream> | |
| #include <hdf5.h> | |
| // Constants | |
| const char saveFilePath[] = "test.h5"; | |
| const hsize_t ndims = 2; | |
| const hsize_t ncols = 3; | |
| int main() |
dmcdougall
/ new_bashrc.sh
Created
August 11, 2012 07:33
— forked from josephwecker/new_bashrc.sh
Replace .bashrc, .bash_profile, .profile, etc. with something much more clean, consistent, and meaningful.
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| #!/bin/bash | |
| # License: Public Domain. | |
| # Author: Joseph Wecker, 2012 | |
| # | |
| # Are you tired of trying to remember what .bashrc does vs .bash_profile vs .profile? | |
| # Are you tired of trying to remember how darwin/mac-osx treat them differently from linux? | |
| # Are you tired of not having your ~/.bash* stuff work the way you expect? | |
| # | |
| # Symlink all of the following to this file: | |
| # * ~/.bashrc |
dmcdougall
/ _chi2.c
Created
August 10, 2012 10:26
— forked from dfm/_chi2.c
How to wrap C code in Python
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| #include <Python.h> | |
| #include <numpy/arrayobject.h> | |
| #include "chi2.h" | |
| /* Docstrings */ | |
| static char module_docstring[] = | |
| "This module provides an interface for calculating chi-squared using C."; | |
| static char chi2_docstring[] = | |
| "Calculate the chi-squared of some data given a model."; |
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| #~/.mutt/aliases | |
| alias nick Nicholas Levandoski <[email protected]> | |
| alias tim Timothy Pitt <[email protected]> | |
| alias steven Steven Jackson <[email protected]> | |
| alias kaleb Kaleb Hornsby <[email protected]> | |
| alias alug-admin nick, tim, steven |
dmcdougall
/ latency.txt
Created
June 1, 2012 10:45
— forked from jboner/latency.txt
Latency numbers every programmer should know
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| 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 | |
| Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms | |
| Read 1 MB sequentially from memory 250,000 ns 0.25 ms | |
| Round trip within same datacenter 500,000 ns 0.5 ms | |
| Read 1 MB sequentially from SSD 1,000,000 ns 1 ms 4X memory |