#cpu on Hacker News

10 stories tagged cpu, newest first.

Screenshot of youtube.com: Is Liquid Metal Killing Our PCs? Scientific Analysis and a 2-Year Test [video]

Is Liquid Metal Killing Our PCs? Scientific Analysis and a 2-Year Test [video](youtube.com)

67 points by zdw 10 days ago | 42 comments

A der8auer YouTube video analyzing how liquid metal thermal compound reacts with PC components, including results from a two-year test.

liquid-metal thermal-interface-material pc-cooling der8auer

Screenshot of medium.com: Akhetonics Photonic Computing: 1,000x Faster CPUs

Akhetonics Photonic Computing: 1,000x Faster CPUs (medium.com)

53 points by peter_d_sherman 18 days ago | 35 comments

A Medium article by Tim Ventura about Akhetonics and its photonic computing approach, which claims all-optical CPUs up to 1,000x faster.

photonic-computing akhetonics optical-processors cpu

Screenshot of global.fujitsu: Fujitsu launches made-in-Japan next-generation CPU FUJITSU-MONAKA

Fujitsu launches made-in-Japan next-generation CPU FUJITSU-MONAKA (global.fujitsu)

617 points by my123 1 month ago | 242 comments

Fujitsu press release announcing the launch of its made-in-Japan next-generation FUJITSU-MONAKA CPU; the capture shows only a Vercel browser verification checkpoint.

fujitsu-monaka fujitsu cpu arm

Screenshot of twitter.com: Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded

Xiaomi: New CPU matches Apple cores single threaded, much faster multithreaded (twitter.com)

967 points by tosh 2 months ago | 702 comments

A post by Daniel Lemire on X discussing Xiaomi's Xring O3 CPU, its large cache, ARM C1-Ultra cores with SME2/SVE2, and performance compared to Apple chips.

xiaomi xring-o3 arm cpu

Screenshot of github.com: Spaghettifying DRAM

Spaghettifying DRAM (github.com)

680 points by matt_d 2 months ago | 170 comments

GitHub repository by xoreaxeaxeax, skitter-creek-bath-salts, describing a technique for unlocking everything on the CPU via DRAM scrambling, with kernel and userspace code.

dram-scrambling hardware-security cpu memory

Screenshot of newsroom.arm.com: Arm AGI CPU

Arm AGI CPU (newsroom.arm.com)

405 points by RealityVoid 7 months ago | 290 comments

Arm newsroom blog post announcing the Arm AGI CPU, a data center processor aimed at rack-level AI infrastructure for agentic AI cloud workloads.

arm cpu data-center agentic-ai

Screenshot of twitter.com: Apple's M4 Max chip is the fastest single-core performer in consumer computing

Apple's M4 Max chip is the fastest single-core performer in consumer computing (twitter.com)

341 points by retskrad 2 years ago | 451 comments

An X (Twitter) post claiming Apple's M4 Max chip has the fastest single-core performance among consumer computers; the post content did not load.

apple-m4-max apple-silicon benchmarks single-core-performance

Screenshot of xuanwo.io: Rust std fs slower than Python? No, it's hardware

Rust std fs slower than Python? No, it's hardware (xuanwo.io)

640 points by Pop_- 2 years ago | 209 comments

Blog post investigating why Rust's std::fs file reads appeared slower than Python's, tracing the cause to a hardware/CPU-level issue rather than the language.

rust python performance file-io

Screenshot of github.com: I'm 17 and wrote this guide on how CPUs run programs

I'm 17 and wrote this guide on how CPUs run programs (github.com)

1098 points by archmaster 3 years ago | 275 comments

GitHub repository for "Putting the You in CPU," a technical explainer by @kognise on how computers run programs from start to finish, published at cpu.land.

cpu linux-kernel elf operating-systems

Screenshot of mjg59.dreamwidth.org: Booting Modern Intel CPUs

Booting Modern Intel CPUs (mjg59.dreamwidth.org)

351 points by zdw 3 years ago | 107 comments

A blog post by Matthew Garrett on mjg59.dreamwidth.org about how modern Intel CPUs boot; the capture shows a Dreamwidth hCaptcha check page instead.

intel boot-process firmware cpu