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manchoz / latency.txt
Created May 31, 2012 14:39 — forked from jboner/latency.txt
Latency numbers every programmer should know
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns
Mutex lock/unlock 25 ns
Main memory reference 100 ns
Compress 1K bytes with Zippy 3,000 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
## Modified commands
alias diff='colordiff' # requires colordiff package
alias grep='grep --color=auto'
alias more='less'
alias df='df -h'
alias du='du -c -h'
alias mkdir='mkdir -p -v'
alias nano='nano -w'
alias ping='ping -c 5'
@manchoz
manchoz / vimeo-download.py
Created November 9, 2023 09:11 — forked from alexeygrigorev/vimeo-download.py
Downloading segmented video from vimeo
import requests
import base64
from tqdm import tqdm
master_json_url = 'https://178skyfiregce-a.akamaihd.net/exp=1474107106~acl=%2F142089577%2F%2A~hmac=0d9becc441fc5385462d53bf59cf019c0184690862f49b414e9a2f1c5bafbe0d/142089577/video/426274424,426274425,426274423,426274422/master.json?base64_init=1'
base_url = master_json_url[:master_json_url.rfind('/', 0, -26) + 1]
resp = requests.get(master_json_url)
content = resp.json()
@manchoz
manchoz / vimeo-downloader.js
Created November 9, 2023 09:12 — forked from mistic100/vimeo-downloader.js
Download video from Vimeo (chopped m4s files)
// 1. Open the browser developper console on the network tab
// 2. Start the video
// 3. In the dev tab, locate the load of the "master.json" file, copy its full URL
// 4. Run: node vimeo-downloader.js "<URL>"
// 5. Combine the m4v and m4a files with mkvmerge
const fs = require('fs');
const url = require('url');
const https = require('https');