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From Communications of the ACM

Technical Perspective: Where the Chips May Fall

The traditional approach to circuit design has been to build chips that work correctly at extreme-case process...

Apprenticeship Learning For Helicopter Control
From Communications of the ACM

Apprenticeship Learning For Helicopter Control

Autonomous helicopter flight is widely regarded to be a highly challenging control problem. As helicopters are highly unstable and exhibit complicated dynamical...

From Communications of the ACM

Technical Perspective: The Ultimate Pilot Program

In one scene from The Matrix, two leaders of the human resistance are trapped on the roof of a skyscraper. The only means of escape is by helicopter, which neither...

Two Hardware-Based Approaches For Deterministic Multiprocessor Replay
From Communications of the ACM

Two Hardware-Based Approaches For Deterministic Multiprocessor Replay

Modern computer systems are inherently nondeterministic due to a variety of events that occur during an execution. The lack of repeatability that arises from this...

From Communications of the ACM

Technical Perspective: Software and Hardware Support For Deterministic Replay of Parallel Programs


Integrating Nand Flash Devices Onto Servers
From Communications of the ACM

Integrating Nand Flash Devices Onto Servers

In this paper, we examine the use of Flash storage in the server domain. Wear-out has the potential to limit the use of Flash in this domain. To seriously consider...

From Communications of the ACM

Technical Perspective: Integrating Flash Devices

Flash memory nowadays seems to be in every discussion about system architecture. Sure enough, flash memory boasts...

From Communications of the ACM

Technical Perspective: Transactional Memory in the Operating System

The long tradition of building ever-faster processors is ending, with the computer industry instead putting more...

From Communications of the ACM

Distributed Selection: A Missing Piece of Data Aggregation

In this article, we study the problem of distributed selection from a theoretical point of view. Given a general connected graph of diameter D consisting of n nodes...

From Communications of the ACM

TxLinux and MetaTM: Transactional Memory and the Operating System

TxLinux is the first operating system to use hardware transactional memory (HTM) as a synchronization primitive, and the first to manage HTM in the scheduler. TxLinux...

From Communications of the ACM

Technical Perspective: Distributing Your Data and Having It, Too


From Communications of the ACM

Technical Perspective: A Methodology For Evaluating Computer System Performance

Computer science has long had a solid foundation for evaluating the performance of algorithms. The asymptotic...

From Communications of the ACM

Wake Up and Smell the Coffee: Evaluation Methodology For the 21st Century

Evaluation methodology underpins all innovation in experimental computer science. It requires relevant workloads, appropriate experimental design, and rigorous...

From Communications of the ACM

Technical Perspective: Computer Science Takes on Molecular Dynamics

The following paper by researcher David Shaw and colleagues describes their Anton molecular dynamics engine....

From Communications of the ACM

Anton, A Special-Purpose Machine For Molecular Dynamics Simulation

The ability to perform long, accurate molecular dynamics (MD) simulations involving proteins and other biological macro-molecules could in principle provide answers...

From Communications of the ACM

The Emergence of a Networking Primitive in Wireless Sensor Networks

The wireless sensor network community approached networking abstractions as an open question, allowing answers to emerge with time and experience. The Trickle algorithm...

From Communications of the ACM

Technical Perspective: The Physical Side of Computing

Wireless sensor networks represent a new computing platform that blends computation, sensing, and communication...
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