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Android is about to take another AI leap over Apple

androidauthority.com Unknown 2025-08-01 20:01:06

Rushil Agrawal / Android Authority TL;DR Future Android processors will support SME2 for faster machine learning running directly on the CPU. The improvements look set to appear with Arm’s upcoming mobile CPU core. Developers using Arm’s KleidiAI won’t have to change anything to benefit. Despite its naysayers, AI features remain the cornerstone of modern smartphone innovation. But powering the latest and greatest AI tools quickly and efficiently requires processors that are up to the task,

Topics: android arm cpu sme sme2
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Understand CPU Branch Instructions Better

news.ycombinator.com Chris Feilbach 2025-07-30 09:34:04

Branch instructions are the primary means by which a program running on a CPU makes a decision. This post is part of a series of posts on CPU performance, as part of the Pointer Wars: Linked List Edition challenge. This challenge is great for undergraduates, graduate students, and new engineers who want feedback about writing high performance C or C++ code. Much more info here. The Sequential Execution Model and Branch Instructions Programs written to execute on a CPU follow something called

Topics: branch branches cpu instruction instructions
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CPU stuck at 0.80Ghz, Fixed by removing keyboard screw

news.ycombinator.com Unknown 2025-08-04 20:25:39

Hello every one, I try the core speed of my cpu won't exceed 0.78 Ghz. I've updated the bios to A25 check that's not the issue. Power options in the windows settings are high performance so that's not the issue either. The core speed is the same when the PC is idle, and when I send it through stress test. My PC specs Intec cor i5 4310u 8Go Ram 256 SSD windows 10 Thank you for helping CPU-Z Idle Under Stress

Topics: core cpu issue speed stress
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We ran a Unix-like OS on our home-built CPU with a home-built C compiler (2020)

news.ycombinator.com Likes Web 2025-08-19 14:20:08

How we ran a Unix-like OS (Xv6) on our home-built CPU with our home-built C compiler [Thanks for many comments and votes on Hacker News! ] It’s been two years since I started working as a software engineer. I sometimes tell my colleagues about a student project I did in my junior year of university, and it’s so well-received that I’m writing this post. Now, let me ask you a question. Have you ever designed your own ISA, built a processor of that ISA on FPGA, and built a compiler for it? Furth

Topics: cpu experiment group os xv6
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We ran a Unix-like OS Xv6 on our home-built CPU with a home-built C compiler (2020)

news.ycombinator.com Likes Web 2025-08-19 19:20:08

How we ran a Unix-like OS (Xv6) on our home-built CPU with our home-built C compiler [Thanks for many comments and votes on Hacker News! ] It’s been two years since I started working as a software engineer. I sometimes tell my colleagues about a student project I did in my junior year of university, and it’s so well-received that I’m writing this post. Now, let me ask you a question. Have you ever designed your own ISA, built a processor of that ISA on FPGA, and built a compiler for it? Furth

Topics: cpu experiment group os xv6
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We ran a Unix-like OS Xv6 on our home-built CPU with a home-built C compiler

news.ycombinator.com Likes Web 2025-08-20 05:20:08

How we ran a Unix-like OS (Xv6) on our home-built CPU with our home-built C compiler [Thanks for many comments and votes on Hacker News! ] It’s been two years since I started working as a software engineer. I sometimes tell my colleagues about a student project I did in my junior year of university, and it’s so well-received that I’m writing this post. Now, let me ask you a question. Have you ever designed your own ISA, built a processor of that ISA on FPGA, and built a compiler for it? Furth

Topics: cpu experiment group os xv6
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AMD Ryzen CPUs continue to crush Intel processors on Amazon best-seller list

techspot.com Daniel Sims 2025-08-24 08:30:00

In brief: AMD dominated socketed CPU sales on Amazon's US site in March, and the picture doesn't seem to have changed a few months later. Intel's new Core Ultra 200 series chips struggled to climb the retailer's rankings back then and have since almost completely disappeared. Intel CPUs have been completely shut out of Amazon's top 10 best sellers as of late June. While AMD's Zen 3, 4, and 5 chips occupy most of the top 50 spots, Team Blue's latest lineup remains under the shadow of its predece

Topics: core cpu cpus intel lake
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Ubuntu disables Intel GPU security mitigations, promises 20% performance boost

arstechnica.com Unknown 2025-08-25 20:39:19

Ubuntu users could see up to a 20-percent boost in graphics performance on Intel-based systems under a change that will turn off security mitigations for blunting a class of attacks known as Spectre. Spectre, you may recall, first came to public notice in 2018. Spectre attacks are based on the observation that performance enhancements built into modern CPUs open a side channel that can leak secrets a CPU is processing. The performance enhancement, known as speculative execution, predicts future

Topics: cpu mitigations performance spectre ubuntu
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Unreal Engine 5.6 outperforms 5.4 with up to 30% faster frame rates and improved lighting

techspot.com Cal Jeffrey 2025-08-30 04:04:00

Bottom line: Epic's latest version of Unreal Engine is making waves with substantial performance improvements and visual enhancements that address long-standing engine issues. Direct comparisons against Unreal Engine 5.4 show at least a 30-percent increase in performance, especially in CPU-limited scenarios. The findings come from tests by the YouTube channel MxBenchmarkPC (above), which put the Paris tech demo by Scans Factory (below) through its paces. Running on a system equipped with an RTX

Topics: cpu engine games unreal version
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Van Gogh, AMD's Steam Deck APU (2023)

news.ycombinator.com Chester Lam 2025-09-07 05:26:58

Zen 2’s launch was a defining moment for AMD. For the first time in many, many years, AMD’s single thread performance could go head to head with Intel’s best. Zen 2 also started a trend where AMD brought up to 16 cores to desktop CPUs, giving consumers very strong multithreaded performance without having to buy HEDT platforms. But Zen 2 was also flexible and did a very good job of scaling down to lower power targets. That was especially true when Zen 2 cores were implemented in more power effic

Topics: bandwidth cpu gogh gpu van
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AMD's Pre-Zen Interconnect: Testing Trinity's Northbridge

news.ycombinator.com Chester Lam 2025-09-07 06:07:23

Today, AMD’s Infinity Fabric interconnect is ubiquitous across the company’s lineup. Infinity Fabric provides well-defined interfaces to a transport layer, and lets different functional blocks treat the interconnect as a black box. The system worked well enough to let AMD create integrated GPU products all the way from the Steam Deck’s tiny van Gogh APU, to giant systems packing four MI300A chips. Across all those offerings, Infinity Fabric enables coherent memory access as CPU and GPU requests

Topics: amd cpu gpu memory trinity
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AMD Ryzen 7 9700F could launch under $300 as budget Zen 5 chip without integrated graphics

techspot.com Kishalaya Kundu 2025-09-11 00:26:00

Something to look forward to: AMD is expected to launch a new Ryzen 9000-series CPU without integrated graphics. The chip, recently mentioned in AGESA version 1.2.0.3e BIOS updates, has now been identified by a tipster as the Ryzen 7 9700F, which is based on Granite Ridge silicon. Replying to tipster @9550pro's X post about the upcoming Ryzen 9000 CPU, leaker @Zed_Wang claimed that it is likely to be the Ryzen 7 9700F. Built for the AM5 platform, it will reportedly pack eight Zen 5 cores and 16

Topics: 9000 9700f cpu ryzen series
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