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@ryanmaclean
ryanmaclean / create-win10-usb-on-mac.sh
Last active April 9, 2025 14:22 — forked from bmatcuk/create-usb.sh
Create a Bootable UEFI Windows USB stick from an ISO on Apple macOS
# Just a quick update for GPT and to use `rsync` instead of `cp`!
# That means this applies to UEFI boot, though for legacy BIOD boot, feel free to swap
# GPT to MBR below.
# Requires https://homebrew.sh to split the install.wim file
brew install wimlib
# First, we need to find our device. BEFORE inserting your USB drive, run the
# following:
diskutil list
@seanjensengrey
seanjensengrey / octal_x86.txt
Last active January 13, 2025 22:43
x86 is an octal machine
# source:http://geocities.com/SiliconValley/heights/7052/opcode.txt
From: [email protected] (Mark Hopkins)
Newsgroups: alt.lang.asm
Subject: A Summary of the 80486 Opcodes and Instructions
(1) The 80x86 is an Octal Machine
This is a follow-up and revision of an article posted in alt.lang.asm on
7-5-92 concerning the 80x86 instruction encoding.
The only proper way to understand 80x86 coding is to realize that ALL 80x86
@jboner
jboner / latency.txt
Last active May 7, 2025 21:44
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