jbrjake

Funny Tech Tweets
=================

### Corny ###

I know a programming joke about 10,000 mutexes, but it's a bit contentious. 
--@secboffin

I also have a UDP joke. But you might not get it.
--@jonathanstray

Flowkap

-- {{{
--
-- Autostarting for Awesome <3.4!
-- Add this section to the end of your rc.lua
-- configuration file within ~/.config/awesome/rc.lua
--
-- If you're using Awesome 3.5 change: 
--    add_signal -> connect_signal 
--    remove_signal --> disconnect_signal
--

jboner

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