[Oberon] [OT] Re: System-7 - Math popular consts

Liam Proven lproven at gmail.com
Fri Mar 1 18:04:06 CET 2019

On Fri, 1 Mar 2019 at 13:41, Till Oliver Knoll
<till.oliver.knoll at gmail.com> wrote:

> IIRC that was a real „performance optimisation“ introduced by John Carmack in Doom, allowing for integer math in many places. And „circles were round enough“ that way ;) Not sure whether that is some urban myth though, since I could not find any reference at a glance...

I've not heard of that, but I recently came across this one:




I've blogged in the past about how the optimisations in Quake were
Intel Pentium-specific and penalised the otherwise very capable and
quick Cyrix 6x86:


But there is some dispute -- see:


Liam Proven - Profile: https://about.me/liamproven
Email: lproven at cix.co.uk - Google Mail/Hangouts/Plus: lproven at gmail.com
Twitter/Facebook/Flickr: lproven - Skype/LinkedIn: liamproven
UK: +44 7939-087884 - ČR (+ WhatsApp/Telegram/Signal): +420 702 829 053

More information about the Oberon mailing list