May 17, 2026

ReSTIR DI - 02 - Temporal Reuse

上一篇主要讲 no-reuse ReSTIR DI / RIS:对当前 shading point 多看...

五月 17, 2026

ReSTIR DI - 02 - Temporal Reuse

The previous post covered no-reuse ReSTIR DI / RIS: for the current shad...

五月 13, 2026

ReSTIR DI - 01 - 无复用版本

因为最近在给Pathtracer加一点Optix backend,想说既然加了,那就加点新东西(好吧其实也是5-6年的老东西了),就选择了ReSTIR D...

五月 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,而是用 Instruments 找到真实瓶颈...

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...

四月 20, 2025

从歌词学语法01:譲り葉塚-霜月遥

前言从歌词下手学习日语语法个人认为是个不错的选择。平时一直会唱,但并没有仔细整理其内容,因此多数时候也只是一知半解。另一方面,对歌词做分析也有助于更好...

六月 20, 2023

One day in Monterey

​ 因为赶着要去实习(在San Jose),Path Tracer的作业又拖到最后一天才交,上学和实习便几乎是无缝衔接了。具体衔接得有多紧...

五月 22, 2023

Missing triangle in BVH

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

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