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In this web content, the author addresses a question about the behavior of aligned machine-word-sized variables in multi-threaded programs. They clarify that although it is unlikely for these variables to have “torn” values (mix of old and new values) due to modern processors guaranteeing atomicity, there are other factors to consider. For example, if the […]
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Lenovo has announced that it aims for the majority of its devices to be repairable by 2025 as part of its commitment to a net zero emission policy by 2050. Luca Rossi, senior vice resident at Lenovo, made the announcement at the Canalys EMEA Forum 2023. The company plans to design its hardware with serviceability […]
HTTP/3, the new version of the HyperText Transfer Protocol, has gained rapid adoption on the public web since its standardization by the Internet Engineering Task Force (IETF). With support ranging from 19% to over 50% of web servers and networks worldwide, it is safe to say that HTTP/3 is already widely used. This protocol, also […]
This content showcases a street-legal jet car that was created by the author. The car includes both a gasoline engine and a jet engine, allowing for a thrilling ride. The author, who has a PhD in Mechanical Engineering, designed the car to be unique and unlike anything seen before. The car is licensed in California, […]
bitmagnet is a self-hosted BitTorrent indexer and search engine with unique features. Currently in alpha, it offers a DHT crawler that allows users to crawl the DHT network and discover new content without relying on external trackers or torrent indexers. The crawler also attempts to classify and associate the discovered content with known movies and […]
Discover new ways to optimize database performance and avoid common mistakes that impact latency and throughput. The authors of Database Performance at Scale, Felipe Cardeneti Mendes, Piotr Sarna, Pavel Emelyanov, and Cynthia Dunlop, provide practical recommendations based on their own engineering efforts and experience with real-world database deployments. Although the book was written by ScyllaDB […]
In this web content, the author gives a lightning talk about where computers get their time from. They explain that computers get the time from NTP servers, which in turn get it from other NTP servers, eventually leading to reference clocks like GPS receivers. The author notes that GPS gets its time from Schriever Space […]
In this study, we examine the capabilities of large language models (LLMs) to determine whether they simply learn superficial statistics or if they develop a coherent model of the data generating process, also known as a world model. Through analyzing the learned representations of various spatial and temporal datasets in the Llama-2 family of models, […]
Extism aims to make WebAssembly (Wasm) easier to use by streamlining the developer experience across languages and platforms. While Wasm allows programs to run almost anywhere, it can be difficult to harness its power due to the differences in language platforms and the challenge of communicating with guest Wasm programs. Extism solves these issues by […]
In this web content, the author explores a feature implemented by Microsoft that limits the amount of memory a process can use. The author highlights several issues with this feature: it was not documented, it does not actually save memory, and it can result in high CPU costs. The author shares their investigation into a […]