https://sparsenotes.com/series/weekly-papers-2026-06-20/ Recent content in weekly-papers-2026-06-20 on Sparse Notes https://sparsenotes.com/images/og-default.png https://sparsenotes.com/images/og-default.png Hugo -- gohugo.io Sat, 20 Jun 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/06/papers/2026-06-20-argus-gpu-tracing/ Sat, 20 Jun 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/06/papers/2026-06-20-argus-gpu-tracing/ An always-on, fine-grained tracing system for >10,000-GPU LLM training clusters that keeps overhead under 2% by decomposing observation into three independent hierarchies and compressing kernel traces ~3,700x. https://sparsenotes.com/posts/2026/06/papers/2026-06-20-bi-channel-networking/ Sat, 20 Jun 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/06/papers/2026-06-20-bi-channel-networking/ Cloud database systems are now CPU-bound on the kernel TCP stack as NIC bandwidth has outrun core speed by 20×; this paper proposes splitting communication into a fast user-space data path and a reliable kernel control path. https://sparsenotes.com/posts/2026/06/papers/2026-06-20-google-file-system/ Sat, 20 Jun 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/06/papers/2026-06-20-google-file-system/ Ghemawat, Gobioff and Leung's twenty-year-old paper on the file system that powered MapReduce, Bigtable and almost everything else inside early-2000s Google — and the architectural ideas (single master, append-mostly mutations, control/data-plane split) that quietly underwrite modern object storage. https://sparsenotes.com/posts/2026/06/papers/ Sat, 20 Jun 2026 00:00:00 +0000 https://sparsenotes.com/posts/2026/06/papers/ Three blog-length entries from this week's CS paper digest: The Google File System (2003) as Seminal pick, plus top picks on ARGUS — an always-on tracing system for 10,000-GPU LLM training clusters — and the Bi-Channel Networking Paradigm for cloud databases.