Tag: performance
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How Build Awesome alpha, async Nunjucks, and smaller Cloudflare checks fixed my podcast build
Notes on moving a podcast site from Eleventy 3 to Build Awesome alpha, using Nunjucks v4 full async, shrinking Cloudflare _headers, and cutting deploy time from about 59 seconds to about 31 seconds.
Vercel 504s: CDN Caching, Timeout Guards, DID Caching
A second pass at the 504 problem — Cache-Control headers for Vercel's edge CDN, AbortController timeouts on external fetches, and a DID document cache.
Mitigating 504 Gateway Timeouts
Addressing persistent 504 Gateway Timeout errors on Vercel by optimising AT Protocol data fetching.
Documentation Parity & Performance
Updating Malachite documentation for new service support and optimizing client bundles.
Tourmaline Polish — PDS Rate Limiting & Component Reactivity
Implementing PDS rate limiting, fixing routing issues, and refining component reactivity for Tourmaline.
Optimizing Your Next.js Site's Fast Origin Transfer and ISR Reads
Next.js Link prefetching quietly burned through 15 GB of bandwidth on my Vercel-hosted blog. Here's how I fixed it.
Malachite v0.9.0 — Performance & Rate Limiting Overhaul
Implementing adaptive rate limiting, dynamic batching, and SHA-512 credential security.
How I fixed an 11ty performance error that caused my build time to be seven minutes
Notes on last night's Eleventy maintenance
Mastering Image Ratios With object-fit
Stop the jumps: the two-line CSS fix that kills CLS for good
SMCClab live #1
A from-scratch livecoded music set in Extempore for the inaugural SMCClab Live concert, ANU School of Music, on a bill with Charlie Roberts debuting his new mutter live-coding system.
Avoiding collisions in Go context keys
Master Go context keys with custom types, avoid collisions using empty structs, and learn accessor patterns for safe request-scoped values.
Man vs Vibes
Got nerd sniped into missing a workout, and improving the performace of rendering 500k rectangles by 10x.
React Query Selectors, Supercharged
How to get the most out of select, sprinkled with some TypeScript tips.
Dylan Piercey - Marko
Dylan Piercey from eBay explores Marko's pioneering streaming and islands architecture features, plus the major innovations in Marko v6's new compiler.
James Garbutt - E18e
James Garbutt explains e18e, the community initiative focused on improving JavaScript package performance across the entire npm ecosystem.
Benchmarking Cloudflare R2 HEAD Requests from Cloudflare Workers
Why would I do this? For my latest project, mapvoyage, I need to serve text files (wikitext to be specific), directly to the user if possible, as well as in a separate function select one wikitext file to display from a list of wikidata ids that may or may not have an associated wikitext file. Latency is important and I'd like the data to be edge-available if possible. R2 with workers seemed ideal here, as the client can download the files from R2 directly and I can lookup the urls from a separate worker, which hopefully shouldn't have a long latency for reading them.
David Blass, - ArkType, better runtime type validation
David Blass showcases ArkType's TypeScript-native approach to runtime validation and shares performance optimization secrets for TypeScript developers.
Why does Go's io.Reader have such a weird signature?
Understand why io.Reader takes a byte slice parameter instead of returning one. Learn about heap allocations and buffer reuse in Go streams.
Quicker startup with module-level __getattr__
Speed up Python module imports with __getattr__ from PEP 562 for lazy loading, deprecation warnings, and dynamic attribute access.
Travis Arnold - Omnidoc, Restyle, JSX UI
Travis Arnold demonstrates OmniDoc's type-checked documentation system and discusses performance optimization in his React-based UI libraries.
Coloring Code - Live Drawing and Coding
A from-scratch livecoded music set in Extempore at the 8th International Conference on Live Coding, Shanghai Concert Hall, with Leon Volbers (livecoded visuals) and Beverly Edwards (live drawing) on the adjacent screen.
Johannes Schickling - Prisma, Effect and the rise of Local First Development
Johannes Schickling discusses Prisma's impact, the Effect library for TypeScript, and how local-first development is reshaping software.
Dysfunctional options pattern in Go
Discover a simpler alternative to functional options: method chaining with builder-style configuration that's 76x faster and easier to understand.
Robert Balicki - Isograph, Relay, and the Future of Data Fetching in React
Robert Balicki introduces Isograph as a potential future of React data fetching, comparing it to his experience building Relay at Meta.
Yagiz Nizipli - Node.js Performance
Yagiz Nizipli dives into Node.js performance optimization, URL parser challenges, and shares spicy takes on VC funding in open source projects.
Jell-O In A Sack
Google claims that its Core Web Vitals initiative has saved users 10,000 years of collective waiting time. The problem is, they sloughed those costs and headaches onto developers.
Aiden Bai - Million.js
Aiden Bai explains how Million.js makes React render faster and discusses growing up alongside his open source community.
The Uphill Battle of Memoization
Exploring why React.memo shouldn't be your first choice for performance optimizations
Memory leakage in Python descriptors
Prevent memory leaks in Python descriptors by using weakref to avoid hard references that prevent garbage collection of validated objects.
Charlie Marsh - Ruff
Charlie Marsh explains how he built Ruff, the blazing-fast Python linter written in Rust, and his transition from mobile apps to developer tooling at Astral.
Speeding up pnpm
DefinitelyTyped contains over 8000 packages. What could go wrong?
Matt Butcher - Fermyon
Matt Butcher explores how Web Assembly revolutionizes serverless computing with faster startup times and his journey from Microsoft to co-founding Fermyon.
OzCHI '22 Connected Creativity Algorave
A from-scratch livecoded duo set in Extempore with Ushini Attanayake for the Creativity track of the 2022 Australasian Human-Computer Interaction Conference (OzCHI), Ainslie Arts Centre, Canberra.
Save models with update_fields for better performance in Django
Optimize Django model saves with update_fields parameter to generate leaner SQL queries and improve performance in tight update loops.
Dissecting an outage caused by eager-loading file content
Learn from a production outage caused by loading large CSV files into memory. Stream process files to prevent OOM errors and crashes.
Prefer urlsplit over urlparse to destructure URLs
Use Python's urlsplit instead of urlparse for faster URL parsing by skipping the rarely-needed params component in URL decomposition.
ACMC'22 Evening Concert #1
A from-scratch livecoded duo set in Extempore with Ushini Attanayake at the 2022 Australasian Computer Music Conference, Massey University, Wellington.
Pre-allocated lists in Python
Understand CPython list memory allocation: how lists store pointer references, grow dynamically, and when pre-allocation with [None]*n helps.
Don't wrap instance methods with 'functools.lru_cache' decorator in Python
Avoid memory leaks when caching instance methods with lru_cache by making cache containers local to instances instead of global.
String interning in Python
Learn how Python's string interning optimizes memory by caching strings and using sys.intern() for custom string caching to improve performance.
ACMC'21 Evening Concert #1
A from-scratch livecoded duo set in Extempore with Ushini Attanayake at the 2021 Australasian Computer Music Conference, Australian Institute of Music, recorded during Canberra's Delta-wave lockdown.
Broken Promises - The Node.js Event Loop
Several years ago, I was called out by a customer to help them resolve some performance issues they were having in their Node.js application. They were experiencing massive event loop blocking issues in their server, getting a whole 5 requests per second — and, in one extreme case, an event loop delay of over one minute...