diff -r da0024f4f068 -r 2e3bc2435d68 devel.rst --- a/devel.rst Sat Feb 20 15:20:24 2016 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,17 +0,0 @@ --*- mode: outline; coding: utf-8 -*- - -* Numbers everyone should know. - - * L1 cache reference 0.5 ns - * Branch mispredict 5 ns - * L2 cache reference 7 ns - * Mutex lock/unlock 100 ns - * Main memory reference 100 ns - * Compress 1K bytes with Zippy 10,000 ns - * Send 2K bytes over 1 Gbps network 20,000 ns - * Read 1 MB sequentially from memory 250,000 ns - * Round trip within same datacenter 500,000 ns - * Disk seek 10,000,000 ns - * Read 1 MB sequentially from network 10,000,000 ns - * Read 1 MB sequentially from disk 30,000,000 ns - * Send packet CA->Netherlands->CA 150,000,000 ns