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Cloudflare Open-Source Workerd Nanoservice Runtime Now in Beta
Recently open-sourced Cloudflare workerd is a new Web runtime for JavaScript/Wasm applications that shares most of its code with the runtime used by Cloudflare Workers. Workerd is based on standardized Web APIs and aims to enable a new approach to microservices removing their intrinsic latency, says Cloudflare.
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V8 Gets a Non-Optimizing Compiler Stage to Improve Performance
The latest version of the JavaScript V8 engine, V8 9.1, introduces a new intermediate compiler stage, called Sparkplug, that improves performance on real-world benchmarks by 5-15%, says V8 engineer Leszek Swirski. It will be available in the upcoming Chrome 91.
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V8 JavaScript Engine 9.0 Improves JavaScript to WebAssembly Performance
The 9.0 release of the V8 JavaScript engine, powering Chrome and Chromium-based browsers, improves the performance of making WebAssembly calls from JavaScript, adds regular expression match indices, and speeds up super property access.
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Google's V8 Engine Adds Support for WebAssembly SIMD
The WebAssembly SIMD proposal has come to Google JavaScript engine V8, albeit still as an experimental feature. Exploiting data parallelism, V8 support for SIMD (Single instruction, multiple data) aims to accelerate compute intensive tasks like audio/video processing, machine learning, and more.
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V8 JavaScript Engine 8.0 Reduces Heap by 40%, Adds Optional Chaining and Null Coalescing
The latest release of Google's V8 JavaScript engine, V8 8.0, uses pointer compression to reduce heap size by 40% and with no performance hit. Additionally, it adds support for optional chaining using the ?. operator and for nullish coalescence using ??. V8 v8.0 will be officially available with Chrome version 80.
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Facebook Hermes May Significantly Reduce Boot-Time and Memory Usage in Android React Native Apps
Recently open-sourced by Facebook, JavaScript Engine Hermes aims to improve the performance of React Native Apps on Android devices, especially focusing on startup performance, download size, and memory consumption. Facebook claims are backed by initial benchmarking on Microsoft Office and Mattermost, an open source alternative to Slack.
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V8 JavaScript Engine 7.4, 7.5, and 7.6 Add Numerous Performance Improvements
The recent 7.4, 7.5, and 7.6 versions of Google's V8 JavaScript engine add several WebAssembly features and JavaScript performance improvements.
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Cloudflare Adopts Official CLI, Announces 3rd-Level Custom Domain Names, and Introduces a Free Tier
Cloudflare announces Wrangler as the official CLI for Cloudflare Workers, the ability to deploy without bringing your own domain, and a free tier that allows anyone to deploy globally on Cloudflare’s infrastructure.
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Google Releases Versions 7.2 and 7.3 of V8 JavaScript Engine
The recent 7.2 and 7.3 versions of Google's V8 JavaScript engine improve JavaScript parsing performance, new JavaScript language features, and WebAssembly performance.
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JavaScript V8 Engine Improves Async Performance
The V8 JavaScript team announces improvements to optimize async functions and promises. The team also improved the debugging experience for async code, a common pain point for JavaScript developers.
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Google Releases Versions 7.0 and 7.1 of V8 JavaScript Engine
The recent 7.0 and 7.1 versions of Google's V8 JavaScript engine improve JavaScript memory performance, add key features for WebAssembly, and introduce a few minor language improvements.
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Electron 3 Release Increases Stability
The Electron team recently announced the release of version 3 of Electron. This release includes numerous enhancements and improvements including support for reading massive files, better APIs for managing applications, and logging and performance measurement capabilities.
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Node.js 8.0 Released, New LTS Version Later This Year
Node.js 8.0 has been released, setting up the future Long Term Support (LTS) version for late 2017 and 2018. This new version contains a number of new features as well. Once 8.X LTS releases later this year, it will be the first LTS release that contains async/await.
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Google Retires Octane JavaScript Benchmark
Google has retired their Octane JavaScript benchmark tool, citing over-optimization of micro-benchmarks to the detriment of real-world performance. Other browser vendors agree that the benchmark by itself is of little value. In the future, performance improvements may come from focusing on what the user is actually experiencing.
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Node 7.6 Brings Default Async/Await Support
Node.js 7.6 has shipped with official support for async/await enabled by default and better performance on low-memory devices.