Memory from a central appliance can reduce the need to put large amounts of Improve memory utilization and, naturally, to reduce costs. These are concepts that apply to memoryĪppliances, where the goals are to share memory across multiple systems, Sessions returned on Wednesday (via videoconference) for a discussionĭedicated to pooled and shared memory. Hongjian Fan, who led one of Tuesday's CXL CXL offers a lot of flexibility, but changes willīe needed for the kernel to be able to take advantage of it. Two sessions looked atĭifferent problems posed by CXL memory, which can come and go over the Upcoming Compute Express Link (CXL) technology. Memory-management track turned once again to the challenges posed by the But it might happen in AM5 timeframe (like PCIe 4.During the final day of the 2022 Linux Storage,įilesystem, Memory-management and BPF Summit (LSFMM), attention in the Now since it's based on PCIe 5, it will take it's time before we see it on desktop. Potentially you could even do away with different sockets for HEDT and Desktop (at least shift it significantly upwards, requiring new socket only for the most crazy >=64 core HEDT chips).It would allow APUs with ~300GB/s bandwidth (more than Radeon 5600XT) on a motherboard with regular 4x DDR5 channels at a fraction of the cost of additional memory channels.I always considered CXL to be more of a server-related technology, but this definitely has potential on the client side: What Really caught my attention was slide 17. Optane DIMM) and non-persitent memory in a unified system. It's memory version agnostic (DDR 3/4/5) and plays nicely with persistent (e.g. The talk itself: ĬXL is essentially a PCIe 5.0 based middle-layer between the CPU and RAM (and stuff like Optane memory) allowing much more flexibility and bandwidth. This looks Interesting enough to Warrant a thread. The 10% rule is enforced on /r/hardware repeat offenders and/or your website or channel may be banned. Users who want to post links to their website should be aware of the reddit definition of spam and read this article concerning self promotion on reddit. No submissions to crowdfunding sites or ongoing campaigns. No submissions to streaming sites outside of event megathreads. Any rumor or claim that is just a statement from an unknown source containing no supporting evidence will be removed. No unsubstantiated rumors - Rumors or other claims/information not directly from official sources must have evidence to support them. Low effort posts such as "What is _ and what does it do?" is not acceptable. We allow discussion posts on relevant topics to hardware there should however be at least background information and relevancy to demonstrate such a discussion is worthwhile. This includes 'What should I buy?', 'Does a _ do what I need?', 'How much is _ worth?' and 'How long until (something obvious) happens?' type questions. If your post asks a question about a specific product or need, it probably belongs elsewhere. These belong in /r/techsupport, /r/buildapc or any relevant tech subreddits. Top level comments must be substantive and contain more than 20 characters. Images submitted as self posts must include an informative description for context. Memes, direct image links, and low effort content will be removed. No memes, jokes, or direct links to images Please contact the moderators through modmail if you have questions. Exceptions can be made for content in foreign language, pay-walled content, or any other exceptional cases. Do NOT editorialize the title of the submission (minor) changes for clarity may be acceptable if the original title is clickbait, or failed to summarize its actual content.Ĭontent submitted should be of original source, or at least contain partially original reporting on top of existing information. Please use the "suggest title" button for link submissions, or copy the title of the original link. Posts should be about hardware news, reviews, technical discussion or how-tos and buyers guides. Insults and personal attacks aren't welcome here. TL DR: If you can't say something respectfully, don't say it at all. This includes tech support and PC building questions. r/hardware is not the place to come for help of any kind. Techsupport and PC building questions should be posted to /r/techsupport or /r/buildapc instead. r/hardware IS NOT the place to come for help of any kind. The goal of /r/hardware is a place for quality hardware news, reviews, and intelligent discussion.
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