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And Then There Were None
From Communications of the ACM

And Then There Were None: A Stall-Free Real-Time Garbage Collector for Reconfigurable Hardware

We present a garbage collector synthesized directly to hardware, capable of collecting a heap of uniform objects completely concurrently. These heaps are composed...

From Communications of the ACM

Technical Perspective: Centip3De Demonstrates More than Moore...

Exponentially increasing transistor integration also demands more interconnections, which have started hitting fundamental limits. The Centip3De design demonstrates...

Centip3De
From Communications of the ACM

Centip3De: A Many-Core Prototype Exploring 3D Integration and Near-Threshold Computing

This paper evaluates the use of three-dimensional integration to reduce global interconnect by adding multiple layers of silicon with vertical connections between...

From Communications of the ACM

Technical Perspective: Can We Verify Cyber-Physical Systems?

Developing effective symbolic verification technology for mixed discrete-analog models has proved to be a challenging problem. The following paper by Althoff...

Formal Verification of Phase-Locked Loops Using Reachability Analysis and Continuization
From Communications of the ACM

Formal Verification of Phase-Locked Loops Using Reachability Analysis and Continuization

We present a scalable and formal technique to verify locking time and stability for charge-pump phase-locked loops (PLLs).

From Communications of the ACM

Technical Perspective: Progress in Visual Categorization

Our visual system helps us carry out our daily business. Our eyes and brain help us by measuring shapes, trajectories, and distances in world around us, and by...

Visual Object Detection with Deformable Part Models
From Communications of the ACM

Visual Object Detection with Deformable Part Models

We describe a state-of-the-art system for finding objects in cluttered images. Our system is based on deformable models that represent objects using local part...

From Communications of the ACM

Technical Perspective: Every Graph Is Essentially Sparse

The following paper by Batson, Spielman, Srivastava, and Teng surveys one of the most important recent intellectual achievements of theoretical computer science...

Spectral Sparsification of Graphs
From Communications of the ACM

Spectral Sparsification of Graphs: Theory and Algorithms

Graph sparsification is the approximation of an arbitrary graph by a sparse graph. We explain what it means for one graph to be a spectral approximation of another...

From Communications of the ACM

Technical Perspective: A Fresh Approach to Vector Graphics

The following paper makes a fundamental contribution to the world of vector graphics by introducing a new primitive called diffusion curve.

Diffusion Curves
From Communications of the ACM

Diffusion Curves: A Vector Representation for Smooth-Shaded Images

We describe a new vector-based primitive for creating smooth-shaded images, called the diffusion curve.

From Communications of the ACM

Technical Perspective: Circuit Placement Challenges

For a semiconductor circuit with billions of transistors, finding desired locations of circuit components is a challenging task that substantially impacts circuit...

SimPL: An Algorithm for Placing VLSI Circuits
From Communications of the ACM

SimPL: An Algorithm for Placing VLSI Circuits

VLSI placement optimizes locations of circuit components so as to reduce interconnect. We propose an algorithm for large-scale placement that outperforms prior...

From Communications of the ACM

Technical Perspective: The Ray-Tracing Engine That Could

It has been an open question whether it is possible to build GPU-targeted high-performance software systems that are themselves programmable. "GPU Ray Tracing" shows...

GPU Ray Tracing
From Communications of the ACM

GPU Ray Tracing

The NVIDIA OptiX ray tracing engine builds on the key observation that most ray tracing algorithms can be implemented using a small set of programmable operations...

From Communications of the ACM

Technical Perspective: Understanding Pictures of Rooms

The rich world is getting older, so we will see many efforts to build robots that can provide some in-home care for frail people. These robots will need computer...

Discriminative Learning with Latent Variables for Cluttered Indoor Scene Understanding
From Communications of the ACM

Discriminative Learning with Latent Variables for Cluttered Indoor Scene Understanding

We address the problem of understanding an indoor scene from a single image in terms of recovering the room geometry (floor, ceiling, and walls) and furniture layout...

From Communications of the ACM

Technical Perspective: Video Quality Assessment in the Age of Internet Video

With video delivery, it appears that once again "the Internet changes everything." In this changed environment, what measures of quality are most relevant, and...

Understanding the Impact of Video Quality on User Engagement
From Communications of the ACM

Understanding the Impact of Video Quality on User Engagement

As Internet-based videos become mainstream, user expectation for high quality is constantly increasing. In this context, it is crucial for content providers to...

From Communications of the ACM

Technical Perspective: Is Dark Silicon Real?

The microprocessor chip R&D community has been well aware of the so-called "power wall" challenge for over a decade. The following work by Esmaeilzadeh et al. is...
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