computer engineering my work,automotive my passion, photography my hobby.
l1 cache reference 0.5 ns branch mispredict 5 ns l2 cache reference 7 ns main memory reference 100 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 disk 30,000,000 ns
quelli che s'innamorano di pratica senza scienza son come il nocchiere, che entra in naviglio senza timone o bussola, che mai ha certezza dove si vada.[leonardo da vinci]
