May 11, 2026

在 M1 Max 上 Profiling 一个小型 Path Tracer

这篇记录整理了一次针对 bunny 场景的 CPU profiling 和优化过程。目标不是把渲染器彻底重写,而是...

五月 10, 2026

CPU Profiling a Small Path Tracer on M1 Max

This note records a small CPU profiling pass on the bunny scene. The goal was...

五月 06, 2025

Diving into Halton Sampling in Your Renderer

When you swap out rand() for a low-discrepancy sequence like Halton, you expe...

四月 30, 2025

Notes on transitioning from RT in One Weeknd to PBRT

So recently I was thinking reading PBRT for volumetric path-tracing stuff, as...

五月 22, 2023

Missing triangle in BVH

Recently I was applying Bounding Volume Hierachy to a Whitted-style Raytracin...