Communications of the ACM
Latest Research
From Communications of the ACM
JMB: Scaling Wireless Capacity with User Demands
JMB, a joint multiuser beamforming system, enables independent access points (APs) to beamform their signals and communicate with their clients on the same channel...
From Communications of the ACM
Technical Perspective: The Interplay of Neuroscience and Cryptography
An ideal scheme for password storage would enable a password with more than 20 bits of randomness to be input and output from the brain of a human being who is...
From Communications of the ACM
Neuroscience Meets Cryptography: Crypto Primitives Secure Against Rubber Hose Attacks
We present a defense against coercion attacks using the concept of implicit learning from cognitive psychology. We use a carefully crafted computer game to allow...
From Communications of the ACM
Technical Perspective: Silicon Stress
Moore's Law has been the mainstay of semiconductor electronics since the invention of the transistor and its application to the integrated circuit. Implicit in...
From Communications of the ACM
TSV Stress-Aware Full-Chip Mechanical Reliability Analysis and Optimization For 3D IC
Three-dimensional integrated circuit (3D IC) with through-silicon-via (TSV) is believed to offer new levels of efficiency, power, performance, and form-factor advantages...
From Communications of the ACM
Technical Perspective: The Cleanest Garbage Collection
In quite a tour de force, the authors of the following paper have built a provably correct real-time garbage collector for reconfigurable hardware (field programmable...
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...
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: 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...
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...
From Communications of the ACM
Power Challenges May End the Multicore Era
Tthe microprocessor industry has shifted to multicore scaling as its principal strategy for continuing performance growth. However, while transistor count increases...
From Communications of the ACM
Technical Perspective: The Realities of Home Broadband
Buying residential broadband services seems relatively simple: pick among a small number of plans, and then compare similar plans by price. Unfortunately, reality...
From Communications of the ACM
Measuring Home Broadband Performance
We present the results from the first study of Internet access link performance measured directly from home routers. Our findings provide a snapshot of access network...
From Communications of the ACM
Technical Perspective: For Better or Worse, Benchmarks Shape a Field
Like other IT fields, computer architects initially reported incomparable results. We quickly saw the folly of this approach. We then went through a sequence...
From Communications of the ACM
Looking Back and Looking Forward: Power, Performance, and Upheaval
The past 10 years have delivered two significant revolutions. Microprocessor design has been transformed — leading to multicore processors. And an entirely new...
From Communications of the ACM
Exact Matrix Completion via Convex Optimization
Suppose that one observes an incomplete subset of entries selected from a low-rank matrix. When is it possible to complete the matrix and recover the entries that...
From Communications of the ACM
Technical Perspective: Reconstructing the Unknown, Balancing Structure and Uncertainty
The problem of estimating or reconstructing an unknown structured object from incomplete, partial, noisy measurements is a fundamental one in scientific and technological...
From Communications of the ACM