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Zyzzyva: Speculative Byzantine Fault Tolerance
From Communications of the ACM

Zyzzyva: Speculative Byzantine Fault Tolerance

A longstanding vision in distributed systems is to build reliable systems from unreliable components. An enticing formulation of this vision is Byzantine fault-tolerant...

From Communications of the ACM

Technical Perspective: Computational Photography on Large Collections of Images

This paper wil strike a familiar chord with anyone who has ever taken a picture. The problem is easy to understand— replacing unwanted parts of a photograph.

Scene Completion Using Millions of Photographs
From Communications of the ACM

Scene Completion Using Millions of Photographs

What can you do with a million images? In this paper, we present a new image completion algorithm powered by a huge database of photographs gathered from the Web...

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

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: 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

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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