Wisconsin Alumni Research Foundation

Technology

More Accurate Branch Predictor Circuit

A branch predictor is a digital circuit that attempts to direct traffic in an instruction stream. Branching is usually implemented with a conditional jump instruction, and branches may be ‘taken’ ...
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Mikko Lipasti, Dibakar Gope | P140330US01

Technology

Predicting Logic Gate Failure

Logic gates are the building blocks of integrated circuits. They use multiple transistors to receive and interpret voltage inputs, then provide outputs. Future generations of integrated circuit micr...
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Karthikeyan Sankaralingam, Raghuraman Balasubramanian | P130365US01

Technology

Maximizing Multicore Processor Performance

Computer processors typically include a number of central processing unit (CPU) cores for executing instructions. Each core is capable of reading and executing a sequence of instruction code, or ‘th...
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Nam Sung Kim | P130137US01

Technology

Ultra-Efficient Continuous Monitoring of Sensors

Tracking emissions, sensing earthquakes and monitoring patient brain waves are just a few of the applications that rely on changing, real-world information. In typical systems, sensors pass on raw dat...
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Mikko Lipasti, Atif Hashmi, Andrew Nere, Giulio Tononi | P130049US01

Technology

SuperTag Cache for Energy-Optimized Compression

Cache memories play a critical role in reducing a computer system’s energy. Generally, they are fast access memories that store data reflecting locations in a corresponding main memory. Typically, t...
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David Wood, Somayeh Sardashti | P130076US01

Technology

LEAP - Improved Data Lookup for High-Speed Routers

Networks allow data exchange between linked computers. Data messages are divided into packets, which are able to navigate complex and changing networks. A router, or switch, reads packet addresses and...
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Karthikeyan Sankaralingam, Eric Harris, Samuel Wasmundt | P120239US01

Technology

Solid-State Quantum Dot Devices for Quantum Computing

Over the past 25 years, classical computers have completely transformed the way we live and work. Yet, certain extremely complex tasks, such as sorting very large databases, factoring large numbers (n...
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Mark Eriksson, Mark Friesen, Robert Joynt, Max Lagally, Daniel van der Weide, Paul Rugheimer, Donald Savage | P01092US

Technology

SISO Model Predictive Controller

Currently, most single-input, single-output (SISO) systems use a proportional, integral, derivative (PID) controller. The PID controller is simple, fast, and easily implemented on simple computing har...
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James Rawlings, Gabriele Pannocchia, Nabil Laachi | P04113US

Technology

Scalable Monitor of Malicious Network Traffic

UW-Madison researchers previously described a system of analyzing malicious network traffic to automatically generate signatures that may be used by a network intrusion detection system (NIDS) to prot...
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Paul Barford, Vinod Yegneswaran, David Plonka | P05182US

Technology

Adaptive Cache Compression System

The speed at which a computer executes its workload is constrained by the time it takes for data and instructions to be transferred from its memory to its processor. To reduce this “memory laten...
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David Wood, Alaa Alameldeen | P04273US

Technology

Over-Provisioned Multicore Processor Computing System

Today, computer processors may have dual or multiple “cores,” the processing parts of central processing unit (CPU) chips, to exploit increasing transistor density. Typically, cores are pr...
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Gurindar Sohi, Koushik Chakraborty, Philip Wells | P07520US

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