Communications of the ACM
Latest Research
From Communications of the ACM
Technical Perspective: A Simple, Elegant Approach to Non-Numeric Parallelization
"Automatically Accelerating Non-Numerical Programs by Architecture-Compiler Co-Design," by Simone Campanoni, et al., proposes a modest hardware extension to support...
From Communications of the ACM
Automatically Accelerating Non-Numerical Programs By Architecture-Compiler Co-Design
HELIX-RC is a compiler/microprocessor co-design that opens loops to parallelization by decoupling communication from thread execution in conventional multicore...
From Communications of the ACM
Technical Perspective: Exploring a Kingdom By Geodesic Measures
"The Heat Method for Distance Computation," by Crane, Weischedel, and Wardetzky, shows that the gradient of the probability density function of a random walk is...
From Communications of the ACM
The Heat Method For Distance Computation
We introduce the heat method for solving the single- or multiple-source shortest path problem on both flat and curved domains.
From Communications of the ACM
Technical Perspective: Solving Imperfect Information Games
"Heads-Up Limit Hold'em Poker Is Solved," by Michael Bowling, et al., takes the counterfactual regret minimization method for approximating a Nash equilibrium to...
From Communications of the ACM
Heads-Up Limit Hold'em Poker Is Solved
This paper is an extended version of our original 2015 Science article, with additional results showing Cepheus' in-game performance against computer and human...
From Communications of the ACM
Technical Perspective: Shedding New Light on an Old Language Debate
"A Large-Scale Study of Programming Languages and Code Quality in GitHub," by Baishakhi Ray, et al., studies whether programming language choice and code quality...
From Communications of the ACM
A Large-Scale Study of Programming Languages and Code Quality in Github
What is the effect of programming languages on software quality? In this study, we gather a very large data set from GitHub in an attempt to shed some empirical...
From Communications of the ACM
Technical Perspective: Unexpected Connections
The inherent scalability of an interface is the focus of "The Scalable Commutativity Rule" by Austin T. Clements, et al.
From Communications of the ACM
The Scalable Commutativity Rule: Designing Scalable Software For Multicore Processors
This paper introduces an interface-driven approach to building scalable software.
From Communications of the ACM
Technical Perspective: Ironfleet Simplifies Proving Safety and Liveness Properties
"IronFleet: Proving Safety and Liveness of Practical Distributed Systems," by Chris Hawblitzel, et al., describes mechanically checked proofs for two non-trivial...
From Communications of the ACM
Ironfleet: Proving Safety and Liveness of Practical Distributed Systems
We demonstrate the methodology on a complex implementation of a Paxos-based replicated state machine library and a lease-based sharded key-value store. With our...
From Communications of the ACM
Technical Perspective: Building a Better Hash Function
In "Fast and Powerful Hashing Using Tabulation," Mikkel Thorup describes a variation of simple but surprisingly effective and powerful hash functions based on using...
From Communications of the ACM
Fast and Powerful Hashing Using Tabulation
We survey recent results on how simple hashing schemes based on tabulation provide unexpectedly strong guarantees.
From Communications of the ACM
Technical Perspective: Building Knowledge Bases from Messy Data
"DeepDive: Declarative Knowledge Base Construction" is a prime example of groundbreaking work in the area of Knowledge Base Construction.
From Communications of the ACM
DeepDive: Declarative Knowledge Base Construction
We describe DeepDive, a system that combines database and machine learning ideas to help to develop knowledge base construction systems.
From Communications of the ACM
Technical Perspective: Functional Compilers
"Exploiting Vector Instructions with Generalized Stream Fusion" points out that stream fusion by itself is not well suited for generating bulk instructions such...
From Communications of the ACM
Exploiting Vector Instructions with Generalized Stream Fusion
Programmers should not have to sacrifice code clarity or good software engineering practices to obtain performance. This work shows how to attain this goal for...
From Communications of the ACM
Technical Perspective: Building a Safety Net For Data Reuse
The authors of "Guilt-Free Data Reuse" show there is a way to construct a safety net that goes around a fixed dataset so that it may be analyzed interactively without...
From Communications of the ACM