Controversial ‘lost’ Jerry Lewis film discovered in Sweden after 53 years
One of cinema’s most sought-after lost films has been discovered after having been kept secretly in the collection of a Swedish actor for 45 years. Comedian Jerry Lewis‘s controversial holocaust film The Day the Clown Cried, shot in 1972 but never released, was thought to not exist in finished form. But Hans Crispin, star of […]
Surprisingly Fast AI-Generated Kernels We Didn’t Mean to Publish (Yet)
We have some very fast AI-generated kernels in pure CUDA-C without using libraries and DSLs such as CUTLASS and Triton. They are performing close to or in some cases even beating the standard expert-optimized production kernels shipped in PyTorch. Some of our highlighted results: Matmul (FP32): 101.3% performance of FP32 torch.matmul; problem size: 4096×4096 square […]
Catbench Vector Search Demo Has Postgres SQL Throughput, Latency Monitoring Now
2025-05-30 CatBench is a Postgres + PgVector demo application that uses 25k pet photos from a Kaggle dataset for demonstrating how the similarity search features work together with the rest of your application code & schema in the backend (HammerDB Order Entry). The latest version of CatBench has Postgres instance-wide throughput and average query execution […]
Irritation Is Inspiration
Your frustration is not a flaw. It’s a radar. And if you’re a builder, it might just be your greatest asset. Little things bother me. Bad font choices. Typos. Weirdly aligned pixels. Push handles for pull doors. Pull handles for push doors. Low contrast photos. Apps that ask for notification access or a review without […]
Vibe coding is not the same as using an AI assistant
These days, the hype around vibe coding feels limitless. Tools that promise to turn your ideas into apps with nothing more than a chat prompt are everywhere. But back in March this year, I came across a tweet from a developer who discovered that one of those tools, Lovable, was exposing a user’s Supabase API […]
Show HN: Asdf Overlay – High performance in-game overlay library for Windows
Blazingly fast™ & Easy to use Windows Overlay library Asdf Overlay provides an easy to use interface to draw on top of window framebuffer by hooking rendering backends GPU shared texture was used to avoid framebuffer copy via CPU. As a result, Asdf Overlay is capable of rendering overlay with any size without performance loss. […]
A Smiling Public Man
As Heaney became more famous and influential, he often succumbed to the “friendship rack” and turned out a torrent of recommendations and blurbs. He told the poet Charles Simic that the “jubilant truth-to-impulse, the invention and laconic cluedinness of the work you’ve been doing is really heart-lifting.” The less deserving Anne Stevenson, biographer of […]
Cap: Lightweight, modern open-source CAPTCHA alternative using proof-of-work
What is Cap? Cap is a lightweight, modern open-source CAPTCHA alternative using SHA-256 proof-of-work. It’s fast, private, and extremely simple to integrate. Learn more about proof-of-work here. Cap is built into 2 main parts: @cap.js/widget: A small JavaScript library that renders the CAPTCHA and handles solving it using Web Workers and WASM. @cap.js/server: An extremely […]
Beating Google’s kernelCTF PoW using AVX512
In May 2025, my Crusaders of Rust teammates William Liu (FizzBuzz101) and Savy Dicanosa (Syst3mFailure) discovered and developed an exploit of a use-after-free bug in Linux’s packet scheduler. The bugfix patch contains additional details. William found this bug while fuzzing Linux for his master’s thesis, which I will link here upon its publication. (Congratulations, William!) […]
When will M&S take online orders again?
Marks & Spencer has warned that its online services will continue to be disrupted until July following last month’s cyberattack. Shoppers have not been able to place orders on the M&S website or app since 25 April, and it had been unclear when online orders would resume. Today, as part of the retailer’s financial results […]