Communications of the ACM
Latest Research
From Communications of the ACM
Difference Engine: Harnessing Memory Redundancy in Virtual Machines
Virtual machine monitors are a popular platform for Internet hosting centers and cloud-based compute services. But main memory is not amenable to multiplexed hardware...
From Communications of the ACM
Technical Perspective: A VM 'Engine' That Makes a Difference
The past decade has witnessed a renaissance in server virtualization. Diwaker Gupta et al. present a novel approach for significantly improving the efficiency of...
From Communications of the ACM
Constraint Satisfaction Problems and Global Cardinality Constraints
In a constraint satisfaction problem (CSP) the goal is to find an assignment of a given set of variables subject to specified constraints. A global cardinality...
From Communications of the ACM
Technical Perspective: Constraint Satisfaction Problems and Computational Complexity
It takes little imagination to come up with a wealth of problems in scheduling and planning that can be expressed asConstraint Satisfaction...
From Communications of the ACM
Privacy Integrated Queries: An Extensible Platform For Privacy-Preserving Data Analysis
Privacy Integrated Queries (PINQ) is an extensible data analysis platform designed to provide unconditional privacy guarantees for the records of the underlying...
From Communications of the ACM
Technical Perspective: Programming With Differential Privacy
Government agencies worldwide release statistical information about population, education, and health, crime...
From Communications of the ACM
Reasoning About the Unknown in Static Analysis
Static program analysis techniques cannot know certain values, such as the value of user input or network state, at analysis...
From Communications of the ACM
Technical Persepctive: Large-Scale Sound and Precise Program Analysis
You are given a program. Will it crash? Is it subject to a spoofing, buffer overflow, or injection attack? Is this part of...
From Communications of the ACM
The Emergence of Cross Channel Scripting
Lightweight, embedded Web servers are soon about to outnumber regular Internet Web servers. We reveal a series of attacks that target...
From Communications of the ACM
Technical Persepctive: Attacks Target Web Server Logic and Prey on XCS Weaknesses
A system is secure only if the entire system is secure. While this may sound obvious, achieving total security throughout a system is rarely trivial when you consider...
From Communications of the ACM
Phase Change Memory Architecture and the Quest For Scalability
Memory scaling is in jeopardy as charge storage and sensing mechanisms become less reliable for prevalent memory technologies. In contrast, phase change memory...
From Communications of the ACM
Technical Perspective: Technology Scaling Redirects Main Memories
As predicted by Intel's Gordon Moore in 1965, the number of transistors that can be integrated on one die continues to double approximately...
From Communications of the ACM
X86-TSO: A Rigorous and Usable Programmer's Model For X86 Multiprocessors
Exploiting the multiprocessors that have recently become ubiquitous requires high-performance and reliable concurrent systems code. However, concurrent programming...
From Communications of the ACM
Technical Perspective: A Solid Foundation For X86 Shared Memory
Multithreaded programs that communicate through shared memory are pervasive. Today they are the most obvious...
From Communications of the ACM
seL4: Formal Verification of an Operating-System Kernel
We report on the formal, machine-checked verification of the seL4 microkernel from an abstract specification down to its C implementation. We assume correctness...
From Communications of the ACM
Technical Perspective: Learning To Do Program Verification
When you decide to use a piece of software, how do you know it will do what you need it to do? Will it be safe to run? Will it interfere...
From Communications of the ACM
Asserting and Checking Determinism For Multithreaded Programs
The trend towards processors with more and more parallel cores is increasing the need for software that can take advantage of...
From Communications of the ACM
Technical Perspective: Building Confidence in Multicore Software
Surprises may be fun in real life, but not so in software. One approach to avoiding surprises in software is to establish its...
From Communications of the ACM
Automatic Program Repair With Evolutionary Computation
There are many methods for detecting and mitigating software errors but few generic methods for automatically repairing errors once they are discovered. Recent...
From Communications of the ACM