Communications of the ACM
Latest Research
From Communications of the ACM
Technical Perspective: Mapping the Universe
"HACC: Extreme Scaling and Performance Across Diverse Architectures" describes the Hardware/Hybrid Accelerated Cosmology Code (HACC) framework, which uses a novel...
From Communications of the ACM
HACC: Extreme Scaling and Performance Across Diverse Architectures
In this Research Highlight, we demonstrate the success of HACC on two very different machines, the CPU/GPU system Titan and the BG/Q systems Sequoia and Mira, attaining...
From Communications of the ACM
Technical Perspective: Magnifying Motions the Right Way
"Eulerian Video Magnification and Analysis" demonstrates that phase differences at a given frequency band, due to subtle motions in a video, can be independently...
From Communications of the ACM
Eulerian Video Magnification and Analysis
We present Eulerian Video Magnification, a computational technique for visualizing subtle color and motion variations in ordinary videos by making the variations...
From Communications of the ACM
Technical Perspective: 3D Image Editing Made Easy
The authors of "Extracting 3D Objects from Photographs Using 3-Sweep" present an important step toward achieving 3D editing.
From Communications of the ACM
Extracting 3D Objects from Photographs Using 3-Sweep
We introduce an interactive technique to extract and manipulate simple 3D shapes in a single photograph.
From Communications of the ACM
Technical Perspective: The Chemistry of Software-Defined Batteries
A time-tested principle in computer systems design is to use an interface to separate an abstraction from its implementation. "Software-Defined Batteries" represents...
From Communications of the ACM
Software-Defined Batteries
In this paper, we present a new hardware-software system, called Software Defined Battery, which allows system designers to integrate batteries of different chemistries...
From Communications of the ACM
Technical Perspective: FPGA Compute Acceleration is First About Energy Efficiency
"A Reconfigurable Fabric for Accelerating Large-Scale Datacenter Services" presents a research deployment of Field Programmable Gate Arrays (FPGAs) in a Microsoft...
From Communications of the ACM
A Reconfigurable Fabric for Accelerating Large-Scale Datacenter Services
We describe a medium-scale deployment of a composable, reconfigurable hardware fabric on a bed of 1,632 servers, and measure its effectiveness in accelerating the...
From Communications of the ACM
Technical Perspective: If I Could Only Design One Circuit . . .
"DianNao Family: Energy-Efficient Hardware Accelerators for Machine Learning" shows a deep understanding of both neural net implementations and the issues in computer...
From Communications of the ACM
DianNao Family: Energy-Efficient Hardware Accelerators for Machine Learning
We introduce a series of hardware accelerators (i.e., the DianNao family) designed for Machine Learning (especially neural networks), with a special emphasis on...
From Communications of the ACM
Technical Perspective: The Power of Parallelizing Computations
"Efficient Parallelization Using Rank Convergence in Dynamic Programming Algorithms" shows how some instances of dynamic programming can be effectively parallelized...
From Communications of the ACM
Efficient Parallelization Using Rank Convergence in Dynamic Programming Algorithms
This paper proposes an efficient parallel algorithm for an important class of dynamic programming problems that includes Viterbi, Needleman-Wunsch, Smith-Waterman...
From Communications of the ACM
Technical Perspective: Naiad
"Incremental, Iterative Data Processing with Timely Dataflow" describes Naiad, which combines three classes of dataflow systems, supporting high-throughput batch...
From Communications of the ACM
Incremental, Iterative Data Processing with Timely Dataflow
We describe the timely dataflow model for distributed computation and its implementation in the Naiad system.
From Communications of the ACM
Technical Perspective: Jupiter Rising
As "Jupiter Rising" makes clear, many of the Internet mechanisms for maintaining large-scale networks are suboptimal when the datacenter is largely homogeneous,...
From Communications of the ACM
Jupiter Rising: A Decade of Clos Topologies and Centralized Control in Google's Datacenter Network
We present our approach for overcoming the cost, operational complexity, and limited scale endemic to datacenter networks a decade ago.
From Communications of the ACM
Technical Perspective: The Dawn of Computational Light Transport
What would the world look like if we had a chance to observe it with a trillion frame-per-second video camera? "Imaging the Propagation of Light through Scenes...
From Communications of the ACM
