What is SIMD? Abusing Vector Instructions Across Threads for Ray Tracing

Today we're going over what SIMD is, what these instructions look like in Assembly (FASM), and how we can use them in a CPU-based ray tracer to boost our performance! Ray Tracing Repo: https://github.com/imalexlee/crack-tracer/tree/main Assembly Dot Product Repo: https://github.com/imalexlee/dot-prod-drag-race