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Handmade Hero Day 112 - A Mental Model of CPU Performance

Molly Rocket

148K subscribers • 32 videos on Hallway

YouTube
  • Recommended by 1 person: 1 in engineering communities.
  • Presented by Casey Muratori, creator of Handmade Hero
  • May be out of date. Uploaded 11 years ago, in an area where tools change fast.

Intermediate. Assumes working knowledge.

23K views11 years ago1 recommendation

Systems programmingGame developmentCPUs and computer architecturePerformance and optimizationGame programming

Casey Muratori explains how modern CPUs work, introducing SIMD and performance optimization concepts during the Handmade Hero series.

Day 112 of coding on Handmade Hero. See handmadehero.org for details.

Why it's here

1 person recommends this

What people say. Recommended as an excellent introduction to modern CPU performance and SIMD.

u/ewmailingin r/C_Programming • Recommends

On “Is there any performance benefit to using int vs. float on modern systems?”

…slots in an array. If you do all your interesting work in fixed point, you will saturate your ALU while your FPU is sitting idle. Handmade Hero, which teaches coding a game from scratch on a live stream, had a bunch of episodes explaining how modern CPUs work, what SIMD is, and how to utilize it. I think this was the first intro episode to SIMD. link to this video…
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