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@michaljemala
michaljemala / tls-client.go
Last active April 10, 2024 01:57
SSL Client Authentication Golang sample
package main
import (
"crypto/tls"
"crypto/x509"
"flag"
"io/ioutil"
"log"
"net/http"
)
@jboner
jboner / latency.txt
Last active May 4, 2024 18:45
Latency Numbers Every Programmer Should Know
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