Skip to content

Instantly share code, notes, and snippets.

View RubenGamarrarodriguez-tomtom's full-sized avatar
:octocat:
Forking from home

Rubén Gamarra RubenGamarrarodriguez-tomtom

:octocat:
Forking from home
View GitHub Profile
@RubenGamarrarodriguez-tomtom
RubenGamarrarodriguez-tomtom / latency.txt
Created September 23, 2024 14:51 — 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
package com.myapp
class Post {
String content
static belongsTo = [user: User]
static constraints = {
}
}