acm-header
Sign In

Communications of the ACM

Latest Research



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...

Geometry, Flows, and Graph-Partitioning Algorithms
From Communications of the ACM

Geometry, Flows, and Graph-Partitioning Algorithms

"Graph partitioning" refers to a family of computational problems in which the vertices of a graph have to be partitioned...

From Communications of the ACM

Technical Perspective: New Developments in Graph Partitioning

Arora, Rao, and Vazirani discuss the most important developments in approximation algorithms over the last two decades.

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

Technical Perspective: Transactions Are Tomorrow's Loads and Stores

In computer science, when we say "time is money," we typically refer to two types of time that determine the costs and benefits...

From Communications of the ACM

Composable Memory Transactions

In this paper we present a concurrency model based on transactional memory. All the usualblocking and choice...

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: The Physical Side of Computing

Wireless sensor networks represent a new computing platform that blends computation, sensing, and communication...
Sign In for Full Access
» Forgot Password? » Create an ACM Web Account