View configure_powershell.ps1
# Install | |
(new-object Net.WebClient).DownloadString("http://psget.net/GetPsGet.ps1") | iex | |
install-module psreadline | |
# One time use | |
import-module psreadline | |
Set-PSReadlineOption -EditMode Emacs | |
# Configure for use on every login | |
# First, make sure we're not going to clobber an existing profile... |
View gist:3077255
mosh --server="LD_LIBRARY_PATH=~/prefix/lib ~/prefix/bin/mosh-server" server.com |
View latency.txt
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 |
View dumb.cc
// building: | |
// g++ -I$HOME/prefix/include/ -Iklm -c dumb.cc | |
// g++ -lz klm/util/file.o klm/util/mmap.o klm/util/exception.o dumb.o -o dumb | |
#include <stdint.h> | |
#include <iostream> | |
using namespace std; | |
#include <boost/functional/hash.hpp> |