Medium

Sascha Kirch

In

AI Advances

by

Sascha Kirch

·

Apr 6

Making SAM3 8x Faster — What the Profiler Actually Showed

What profiling a state-of-the-art segmentation model teaches you about running research code efficiently

Making SAM3 8x Faster — What the Profiler Actually Showed

In

AI Advances

by

Sascha Kirch

·

Mar 1

Inside the CUDA Kernel: The GPU Implementation of 3D Gaussian Splatting

Bonus Part: How Flat Arrays, Radix Sort, and Shared Memory Turn Conceptual Tiling Into 100+ FPS Rendering

Inside the CUDA Kernel: The GPU Implementation of 3D Gaussian Splatting

In

AI Advances

by

Sascha Kirch

·

Feb 14

The Tricks That Make Production 3DGS Fast (Even If Ours Isn’t)

Part 4 of Building a 3D Gaussian Splatting Renderer — Understanding the Optimizations That Make Real-Time Rendering Possible

The Tricks That Make Production 3DGS Fast (Even If Ours Isn’t)

In

AI Advances

by

Sascha Kirch

·

Feb 7

Splat Your Own Gaussians: From Circles to Ellipses

Part 3 of Building a 3D Gaussian Splatting Renderer —Covariance Matrices, Jacobians, and Proper 2D Projection

Splat Your Own Gaussians: From Circles to Ellipses

In

AI Advances

by

Sascha Kirch

·

Feb 1

Circles Are Not Gaussians (But Let’s Pretend They Are)

Part 2 of Building a 3D Gaussian Splatting Renderer — Circles, Colors, and Transparency

Circles Are Not Gaussians (But Let’s Pretend They Are)

In

AI Advances

by

Sascha Kirch

·

Jan 25

I Built the Slowest 3D Gaussian Splatting Renderer… On Purpose

Building a deliberately slow, crystal-clear Python renderer to reveal the implementation details that papers skip and GPU kernels hide

I Built the Slowest 3D Gaussian Splatting Renderer… On Purpose

In

AI Advances

by

Sascha Kirch

·

May 19, 2025

Still Avoiding einsum()? It’s Time to Fix That

Build Intuition, Master the Syntax, and Apply einsum() with Real Examples and a Handy Cheat Sheet

Still Avoiding einsum()? It’s Time to Fix That

In

AI Advances

by

Sascha Kirch

·

May 12, 2025

Mastering NumPy: Manual Metadata Manipulation for Memory-Efficient Arrays

Part 3: NumPy Like a Pro: A Deep Dive Into Arrays and Performance

Mastering NumPy: Manual Metadata Manipulation for Memory-Efficient Arrays

In

AI Advances

by

Sascha Kirch

·

May 4, 2025

The Power of Views: How NumPy Avoids Copies and Saves Memory

Part 2: NumPy Like a Pro: A Deep Dive Into Arrays and Performance

The Power of Views: How NumPy Avoids Copies and Saves Memory

In

AI Advances

by

Sascha Kirch

·

Apr 28, 2025

Why NumPy Arrays Are So Fast (And How They Really Work)

Part 1: NumPy Like a Pro: A Deep Dive Into Arrays and Performance

Why NumPy Arrays Are So Fast (And How They Really Work)

Sascha Kirch

Sascha Kirch

Deep Learning Expert | PhD Researcher | Lecturer 💡 Writing to demystify complex topics and inspire curious minds 💬 https://www.linkedin.com/in/sascha-kirch/

Following

Help

Status

About

Careers

Press

Blog

Store

Privacy

Rules

Terms

Text to speech