Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
astrange
on April 20, 2022
|
parent
|
context
|
favorite
| on:
The x86 architecture is the weirdo (2004)
That post isn't true, common instructions only take a few µops (or even one) and the main difference is register renaming. Microcoding mainly lets them support old and very complicated instructions that nobody actually needs to be fast.
You can see instruction latencies at
https://www.agner.org/optimize/
.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
You can see instruction latencies at https://www.agner.org/optimize/.