vswitchzero | FastDoom - Massive Performance Gains on Slow 386 and 486 CPUs! @vswitchzero | Uploaded July 2024 | Updated October 2024, 55 minutes ago.
FastDoom is a project with the goal of improving Doom’s efficiency – allowing it to run more smoothly on hardware that could never handle it in the past. Join me today as I explore its rich set of features and attempt to get a more enjoyable experience out of some slower 386 and 486 CPUs.

FastDoom github and download pages:
github.com/viti95/FastDoom
github.com/viti95/FastDoom/releases

Video on the UMC Green 486 CPU:
youtu.be/1Rj1B4M6yXM

Video on Doom’s performance and ISA bottlenecks:
youtu.be/t7Wwx1S-e6E

A big comparison of late-model 486 and 486 “upgrade” chips:
youtu.be/dQOmSKERPd0

Yes, Doom runs on gut bacteria:
arstechnica.com/gaming/2024/01/can-it-run-doom-gut-bacteria-edition

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00:00 Introduction
01:47 Doom NEEDS a 486
03:17 ISA and VLB
04:00 Intro to FastDoom!
05:23 FastDoom Performance
06:10 CPU Specific Renderers
07:47 Visual Settings
10:41 Detail Levels
12:17 So Much More
14:50 Conclusion