Hacker News with Generative AI: Energy Efficiency

The future of AI is analog? $100M to push GPU-like brains on less juice (theregister.com)
Interview AI chip startup EnCharge claims its analog artificial intelligence accelerators could rival desktop GPUs while using just a fraction of the power. Impressive — on paper, at least. Now comes the hard part: Proving it in the real world.

Artificial Intelligence, Hardware, Energy Efficiency

4 points by rntn 4 days ago | 0 comments

Mission Accomplished? Heat pump adoption has a long way to go (heatpumped.org)
A few weeks ago, my feed exploded in celebration – not only have heat pumps maintained their sales lead over gas furnaces, but the gap has continued to grow year-on-year.

Energy Efficiency, Climate Change, Technology, Home Improvement

22 points by ssuds 12 days ago | 77 comments

Linux kernel tweak could cut data center power usage by up to 30% (networkworld.com)
An improvement to the way Linux handles network traffic, developed by researchers at Canada’s University of Waterloo, could make data center applications run more efficiently and save energy at the same time.

Linux, Data Centers, Energy Efficiency, Networking

5 points by thunderbong 16 days ago | 1 comments

Mechanically Powered Flashlight (wikipedia.org)
A mechanically powered flashlight (UK: mechanically powered torch) is a flashlight that is powered by electricity generated by the muscle power of the user, so it does not need replacement of batteries, or recharging from an electrical source.

Mechanical Engineering, Flashlights, Energy Efficiency

5 points by Croftengea 17 days ago | 0 comments

Linux kernel could cut energy use in data centres by up to 30 per cent (uwaterloo.ca)
Researchers at the Cheriton School of Computer Science have developed a small modification to the Linux kernel that could reduce energy consumption in data centres by as much as 30 per cent.

Linux, Data Centers, Energy Efficiency, Computer Science

33 points by stefanhoelzl 25 days ago | 4 comments

Volvo Wants to Improve EV Efficiency by Heating Your Windshield (thedrive.com)
Automakers have tried just about every trick in the book to improve on-road efficiency over the years, but we must admit, using a heater to improve the range of an EV is not one we’d previously accounted for.

Electric Vehicles, Automotive Technology, Energy Efficiency

7 points by PaulHoule 28 days ago | 2 comments

Update to Linux kernel could cut energy use in data centres by up to 30% (uwaterloo.ca)
Researchers at the Cheriton School of Computer Science have developed a small modification to the Linux kernel that could reduce energy consumption in data centres by as much as 30 per cent.

Energy Efficiency, Linux, Data Centers, Computer Science

9 points by paulv 29 days ago | 1 comments

Study shows how households can cut energy costs (news.mit.edu)
An experiment in Amsterdam suggests providing better information to people can help move them out of “energy poverty.”

Energy Efficiency, Sustainability, Social Impact, Research

4 points by gnabgib 39 days ago | 1 comments

Reversible computing escapes the lab (ieee.org)
This weird information-theory concept has become a power-saving chip

Computer Science, Energy Efficiency, Quantum Computing

276 points by jasondavies 42 days ago | 76 comments

Reversible Computing Escapes the Lab in 2025 (ieee.org)
This weird information-theory concept has become a power-saving chip

Reversible Computing, Computing, Energy Efficiency, Hardware

17 points by pseudolus 49 days ago | 0 comments

OpenERV (openerv.ca)
The TW4 decentralized Energy Recovery Ventilator transfers clean outdoor air inside and moves polluted air outdoors, while harvesting ~90% of the heat energy - so you get fresh air without the downsides of heating or cooling it.

Energy Efficiency, HVAC, Green Technology, Open Source

849 points by graboy 68 days ago | 262 comments

Photonic processor could enable fast AI computations with energy efficiency (news.mit.edu)
The deep neural network models that power today’s most demanding machine-learning applications have grown so large and complex that they are pushing the limits of traditional electronic computing hardware.

Artificial Intelligence, Hardware, Energy Efficiency, Computing

5 points by gnabgib 81 days ago | 0 comments

Terrible popular websites waste your CPU and energy (ericra.com)
These simple tests demonstrate that you can cede control over a large % of your computer's processing power simply by leaving a poorly or maliciously-designed website open in the background.

Website Performance, Energy Efficiency, Privacy, Cybersecurity

25 points by ericra 113 days ago | 11 comments

AI engineers claim new algorithm reduces AI power consumption by 95% (tomshardware.com)

Artificial Intelligence, Energy Efficiency, Computer Hardware

370 points by ferriswil 125 days ago | 170 comments

Integer addition algorithm could reduce energy needs of AI by 95% (techxplore.com)
A team of engineers at AI inference technology company BitEnergy AI reports a method to reduce the energy needs of AI applications by 95%.

Artificial Intelligence, Energy Efficiency, Computer Science

9 points by ycnews 131 days ago | 2 comments

Addition is all you need for energy-efficient language models (arxiv.org)
Large neural networks spend most computation on floating point tensor multiplications. In this work, we find that a floating point multiplier can be approximated by one integer adder with high precision.

Generative AI, Artificial Intelligence, Machine Learning, Computer Science, Energy Efficiency

334 points by InvisibleUp 136 days ago | 126 comments

Datacenters bleed watts and cash – all because they're afraid to flip a switch (theregister.com)
Datacenter power consumption has become a major concern in recent years, as utilities struggle to keep up with growing demand and operators are forced to seek alternative means to keep the lights on.

Datacenters, Energy Efficiency, Environmental Impact, Technology

11 points by LinuxBender 153 days ago | 5 comments

Elastocalorics could replace heat pumps, air conditioning systems (pv-magazine-usa.com)

Elastocalorics, Heat Pumps, Air Conditioning, Energy Efficiency

41 points by watchdogtimer 219 days ago | 7 comments

New technology could reduce the amount of energy for air conditioning (wired.com)

Energy Efficiency, Climate Change, Technology, Sustainability

79 points by isaacfrond 219 days ago | 73 comments

High-altitude floating PV has energy payback time of 2.8 years (pv-magazine.com)

Renewable Energy, Solar Power, Sustainability, Energy Efficiency

8 points by thelastgallon 221 days ago | 4 comments

The hunt for the most efficient heat pump in the world (wired.com)