Skip to content

Instantly share code, notes, and snippets.

Sokolov Yura funny-falcon

Block or report user

Report or block funny-falcon

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
@funny-falcon
funny-falcon / latency.txt
Created Jun 1, 2012 — forked from jboner/latency.txt
Latency numbers every programmer should know
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 deferClosure.go
package main
import "fmt"
func A(x, y int) {
fmt.Println("The deferred A-call", x, y)
}
func B() int {
theAnswer := 42
You can’t perform that action at this time.