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News
LLM Inference, Explained: Prefill, Decode, and KV Cache
3+ hour, 10+ min ago (29+ words) Ever wondered what actually happens the second you hit send on ChatGPT or Claude? That near-instant reply isn’t magic. It’s inference …...
How I ended up with a 2.9 kB GZip reactive UI engine that runs from a static file
11+ hour, 40+ min ago (565+ words) A few weeks ago, I was working on a side project. Nothing fancy — just a small dashboard with a form, a list, and a few buttons. The kind of thing that should take an afternoon. But I caught myself opening…...
The browser-training speedup was a curve, not one headline number
11+ hour, 29+ min ago (147+ words) The WebGPU path did not have one honest speedup number. Against multithreaded WASM SIMD, the measured improvement was 2.6 times on the Small preset, 6.8 times on Medium, 9.3 times on Large, and 12.1 times on XL. Loss drift ranged from 1.1% to 2.5% across the same…...
Your Cache Is Part of the Security Model
12+ hour, 12+ min ago (418+ words) This is Part 4 of Security Infrastructure in Practice, a series about what happens when security design meets production systems. Caches are supposed to make authorization faster. They can also keep an old permission alive after the source of truth has…...
How to Optimize WordPress CSS and JavaScript for Better Performance
9+ hour, 23+ min ago (32+ words) A WordPress website can look beautiful, offer great content, and still feel slow. One common reason is the amount of CSS and …...
Agent-Cache: Multi-Tier LLM Caching for Valkey and Redis
15+ hour, 45+ min ago (666+ words) Agent loops burn tokens and clock cycles on repeated work. The same LLM prompt fires twice, the same tool call fetches identical data, and session state gets reconstructed from scratch on every request. Agent-cache solves this with a three-tier caching…...
Explicit accessibility contracts make React components more portable
17+ hour, 33+ min ago (1010+ words) A component that works in a React app doesn't automatically work when you reuse it elsewhere in the React ecosystem. I moved a design-system layout component from a React app into a Next project and it broke. The problem wasn't…...
Database Indexing Mistakes That Are Quietly Killing Your App's Performance
17+ hour, 7+ min ago (459+ words) Indexing is one of those topics every developer has heard of, most have used, and surprisingly few have actually reasoned through carefully. It's easy to add an index and move on — it's much harder to know whether that index is…...
At the edge, the number that matters is memory - not throughput (specially in Ramageddon)
17+ hour, 15+ min ago (720+ words) We rebuilt LF Edge eKuiper in Rust and ran it against eKuiper, Telegraf and Redpanda Connect... Tagged with rust, iot, performance, opensource....
A 100 PageSpeed score does not contain INP, and that is the most expensive thing about it
18+ hour, 23+ min ago (1070+ words) A 100 in PageSpeed Insights is one of the very few numbers in this job you can chase to a literal maximum, which is exactly why people chase it. It is a score, not a feeling, and getting it forces real…...