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Yi-Feng Cheng lazur5566

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lazur5566 / latency.txt

Created April 7, 2020 03:58 — forked from jboner/latency.txt

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

lazur5566 / main.go

Created September 4, 2019 05:40 — forked from enricofoltran/main.go

A simple golang web server with basic logging, tracing, health check, graceful shutdown and zero dependencies

lazur5566 / stringToReaderCloser.go

Created February 16, 2019 07:23 — forked from crgimenes/stringToReaderCloser.go

string to io.ReadCloser

	package main

	import (
	"bytes"
	"fmt"
	"io/ioutil"
	)

	func main() {
	r := ioutil.NopCloser(bytes.NewReader([]byte("hello world"))) // r type is io.ReadCloser