via PACIFIC NORTHWEST NATIONAL LABORATORY
As anyone with a green thumb knows, pruning can promote thriving vegetation. A snip here, a snip there, and growth can be controlled and directed for a more vigorous plant.
The same principle can be applied to machine learning algorithms. Removing bits and pieces along coding branches in those algorithms can reduce complexity in decision trees and increase predictive performance.
Researchers at the U.S. Department of Energy’s Pacific Northwest National Laboratory (PNNL) have done just that. Exploring with binarized neural networks (BNNs), they used pruning principles to significantly reduce computation complexity and memory demands. BNNs are close cousins to deep neural networks, which require large amounts of computation. But BNNs differ in a significant way: they use single bits to encode each neuron and parameter, using much less energy and power for computation.
Pruning for faster growth
Researchers recognized the potential value of BNNs for machine learning starting in about 2016. If constructed–or pruned–just the right way, they consume less computing energy and are nearly as accurate as deep neural networks. That means BNNs have more potential to benefit resource-constrained environments, such as mobile phones, smart devices, and the entire Internet of Things ecosystem.
This is where pruning comes into play. As neural networks research has grown in recent years, pruning has gained more interest among computing researchers.
“Pruning is currently a hot topic in machine learning,” said PNNL computer scientist Ang Li. “We can add software and architecture coding to push the trimming towards a direction that will have more benefits for the performance of computing devices. These benefits include lower energy needs and lower computing costs.”
Pruning for precision
Li was among a group of PNNL researchers who recently published results in the Institute of Electrical and Electronics Engineers Transactions on Parallel and Distributed Systems showing the benefits of selective pruning. The research demonstrated that pruning redundant bits of the BNN architecture led to a custom-built out-of-order BNN, called O3BNN-R. Their work shows a highly-condensed BNN model–which already could display high-performing supercomputing qualities–can be shrunk signi?cantly further without loss of accuracy.
“Binarized neural networks have the potential of making the processing time of neural networks around microseconds,” said Tong “Tony” Geng, a Boston University doctoral candidate who, as a PNNL intern, assisted Li on the O3BNN-R project.
“BNN research is headed in a promising direction to make neural networks really useful and be readily adopted in the real-world,” said Geng, who will rejoin the PNNL staff in January as a postdoctoral research fellow. “Our finding is an important step to realize this potential.”
Their research shows this out-of-order BNN can prune, on average, 30 percent of operations without any accuracy loss. With even more fine tuning–in a step called “regularization at training”–the performance can be improved an additional 15 percent.
Pruning for power
In addition to this out-of-order BNN’s contributions to the Internet of Things, Li also pointed to potential benefits to the energy grid. Implementation of a modified BNN could also provide a boost to existing software that guards against cyberattacks when deployed in the power grid by helping existing sensors detect and respond to an attack, said Li.
“Basically,” said Li, “we are accelerating the speed of processing in hardware.”
The Latest Updates from Bing News & Google News
Go deeper with Bing News on:
Binarized neural networks
- Swimming to the rescue: mechanism behind neural regeneration uncovered
Researchers discover a collaborative mechanism between glial cells and neurons that proliferates neural stem cells following a brain injury.
- ‘Artificial synapse’ could make neural networks work more like brains
Networks of nanoscale resistors that work in a similar way to nerve cells in the body could offer advantages over digital machine learning ...
- Relighting Neural Radiance Fields With Any Environment Map
A new paper from the Max Planck Institute and MIT has proposed a technique to obtain true disentanglement of Neural Radiance Fields (NeRF) content from the lighting that was present when the data was ...
- Google & DeepMind Study the Interactions Between Scaling Laws and Neural Network Architectures
State-of-the-art AI models have ballooned to billions of parameters in recent years. Although the machine learning (ML) community has shown keen interest in the scaling properties of transformer-based ...
- Ant Colonies and Neural Networks Make Decisions in Similar Ways
Ant colonies make decisions similarly to neural networks in the brain. The corresponding study was published in PNAS. At a basic level, decision-maki | Neuroscience ...
Go deeper with Google Headlines on:
Binarized neural networks
Go deeper with Bing News on:
- Bitcoin Believers Are Back to Watching Stocks After Crypto Crash
After a gut-wrenching bout of turbulence and existential angst, digital-asset investors are back to focusing on the mood of the US stock market as a gauge of whether the worst might be over.
- China Relationship Is Casualty of Truss-Sunak Battle to Lead UK
The rivals to replace Prime Minister Boris Johnson are locked in a battle to take the toughest line on China, firmly drawing a line under the vaunted golden era for Sino-British ties. Liz Truss, the ...
- Got $2,000? Here Are 3 Smart TSX Stocks to Buy Now
Invest in these TSX stocks early and smartly. You can grow your money substantially for a massive retirement fund!
- BRAIN Center Phase 2 at the University of Houston receives funds from NSF
On any given day inside the BRAIN Center at the University of Houston, you might encounter visual artists, dancers and musicians, or even paralyzed individuals – all wearing brain caps to teach ...
- Danone SA Stock Financials BNN
We also respect individual opinions––they represent the unvarnished thinking of our people and exacting analysis of our research processes. Our authors can publish views that we may or may not ...