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TGS2024
research.mozilla.org
21st IEEE/ACM International Conference on Mining Software Repositories (MSR)
I’m excited to announce a new Mozilla Research experiment: the Emterpreter, a pure-JavaScript interpreter that can start running large Emscripten-compiled apps faster than JavaScript engines can, giving developers control over the latency/throughput trade-off. An app’s startup time is a precious resource. For small apps, minification and image compression are good enough to provide a smooth user o
by Josh Matthews and Keegan McAllister A web browser’s purpose in life is to mediate interaction between a user and an application (which we somewhat anachronistically call a "document"). Users expect a browser to be fast and responsive, so the core layout and rendering algorithms are typically implemented in low-level native code. At the same time, JavaScript code in the document can perform comp
Web Workers are additional threads that a website can create. Using workers, a website can utilize multiple CPU cores to speed itself up, or move heavy single-core processing to a background thread to keep the main (UI) thread as responsive as possible. A problem, however, is that many APIs exist only on the main thread, for example WebGL. WebGL is a natural candidate for running in a worker, as i
We’re pleased to announce the release of mozjpeg 2.0. Early this year, we explained that we started this project to provide a production-quality JPEG encoder that improves compression while maintaining compatibility with the vast majority of deployed decoders. The end goal is to reduce page load times and ultimately create an enhanced user experience for sites hosting images. With today’s release,
Alex Vranas wrote on April 17, 2014 at 8:03 pm: Even Mozilla doesn’t understand Heartbleed… “Many kinds of browser security bugs, such as the recent Heartbleed vulnerability, are prevented automatically by the Rust compiler.” That’s pretty amazing seeing that Heartbleed is a SERVER vulnerability and has absolutely nothing to do with what kind of browser you are using! Unless Mozilla has bestowed u
Today I’d like to announce a new Mozilla project called ‘mozjpeg’. The goal is to provide a production-quality JPEG encoder that improves compression while maintaining compatibility with the vast majority of deployed decoders. Why are we doing this? JPEG has been in use since around 1992. It’s the most popular lossy compressed image format on the Web, and has been for a long time. Nearly every pho
JPEG has been the only widely supported lossy compressed image format on the Web for many years. It was introduced in 1992, and since then a number of proposals have aimed to improve on it. A primary goal for many proposals is to reduce file sizes at equivalent qualities. We’d like to share a study that compares three frequently-discussed alternatives, HEVC-MSP, WebP, and JPEG XR, to JPEG, in term
Shumway is an experimental web-native runtime implementation of the SWF file format. It is developed as a free and open source project sponsored by Mozilla Research. The project has two main goals: 1. Advance the open web platform to securely process rich media formats that were previously only available in closed and proprietary implementations. 2. Offer a runtime processor for SWF and other rich
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