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CPU Utilization is Wrong (2017)

news.ycombinator.com Unknown 2025-10-01 11:06:39

The metric we all use for CPU utilization is deeply misleading, and getting worse every year. What is CPU utilization? How busy your processors are? No, that's not what it measures. Yes, I'm talking about the "%CPU" metric used everywhere, by everyone. In every performance monitoring product. In top(1). What you may think 90% CPU utilization means: What it might really mean: Stalled means the processor was not making forward progress with instructions, and usually happens because it is waitin

Topics: cpu cycles ipc memory utilization
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Best Washing Machines for Your Home in 2025

cnet.com See Full Bio 2025-10-21 23:48:00

It's not always about the features that you most regularly use, but about having features available that you might sometimes need to use. If available features are driving your comparative shopping experience for washing machines, GE offers a top-tier, front-loading model with consistent customer satisfaction and just about every available add-on. While it is more expensive than the models listed above, it's less expensive than other models that offer as many features as it does. This washing m

Topics: available cycles features machines washing
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The case for commuting by motorcycle

arstechnica.com Unknown 2025-11-21 03:36:32

America has a motorcycle problem. Whereas the rest of the world views two-wheeled motorized transportation as transportation, the US sees motorcycles and scooters as toys. They're not something you use to commute to work or run errands. Instead, they're for riding to the coffee shop on weekends. This is a flawed line of thinking, and I'll tell you why, using two motorcycles as examples. But first, hear me out. I live in Los Angeles, which is famous for its hellacious traffic. For motorcyclists,

Topics: ducati italian monster motorcycles ride
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Operation Costs in CPU Clock Cycles (2016)

news.ycombinator.com No Bugs 2025-11-27 11:55:30

Author: “No Bugs” Hare Follow: Job Title: Sarcastic Architect Hobbies: Thinking Aloud, Arguing with Managers, Annoying HRs, Calling a Spade a Spade, Keeping Tongue in Cheek UPDATED: TLB and CAS/atomics (including different NUMA node) added Click to enlarge NB: scale is logarithmic! Premature Pessimization Easy on yourself, easy on the code: All other things being equal, notably code complexity and readability, certain efficient design patterns and coding idioms should just flow naturally

Topics: cost costs cpu cycles memory
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Samsung phones can survive twice as many charges as Pixel and iPhone, according to EU data

androidauthority.com Unknown 2026-02-08 17:39:40

Aamir Siddiqui / Android Authority TL;DR For the EU’s new energy label program, smartphones advertise a rated number of charge cycles. We’ve complied a list of those cycle counts for popular phone and tablet brands and models. Samsung finds itself at the head of the pack, with many devices boasting batteries that will endure 2,000 cycles. With Google just announcing the start of its Battery Performance Program for the Pixel 6a, set to get underway next week, battery health is very much on ou

Topics: 000 charge cycles galaxy moto
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Show HN: Zenta – Mindfulness for Terminal Users

news.ycombinator.com Unknown 2026-02-20 00:28:28

🧘 zenta Mindfulness that fits your coding flow When your mind wanders while coding, simply return to breath. No tracking, no metrics, no disruption—just pure awareness in your terminal. The noticing itself is the practice. ✨ ⚡ Quick Start # Install git clone https://github.com/e6a5/zenta.git && cd zenta && make install-system # Set up zen aliases echo " alias breath='zenta now --quick' " >> ~ /.zshrc echo " alias breathe='zenta now' " >> ~ /.zshrc echo " alias reflect='zenta reflect' " >> ~

Topics: breath breathing cycles simple zenta
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