jhclark

// 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>

jhclark

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

jhclark

mosh --server="LD_LIBRARY_PATH=~/prefix/lib ~/prefix/bin/mosh-server" server.com

jhclark

# 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...