Practice
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Keeping Bits Safe: How Hard Can It Be?
As storage systems grow larger and larger, protecting their data for long-term storage is becoming ever more challenging.
Photoshop Scalability: Keeping It Simple
Clem Cole and Russell Williams discuss Photoshop's long history with parallelism, and what is now seen as the chief challenge.
Thinking Clearly About Performance, Part 2
More important principles to keep in mind when designing high-performance software.
Tackling Architectural Complexity with Modeling
Component models can help diagnose architectural problems in both new and existing systems.
Injecting Errors For Fun and Profit
Error-detection and correction features are only as good as our ability to test them.
Computers in Patient Care: The Promise and the Challenge
Information technology has the potential to radically transform health care. Why has progress been so slow?
Thinking Clearly About Performance, Part 1
Improving the performance of complex software is difficult, but understanding some fundamental principles can make it easier.
Software Development with Code Maps
Could ubiquitous hand-drawn code map diagrams become a thing of the past?
Moving to the Edge: A CTO Roundtable on Network Virtualization
Leading experts debate how virtualization and clouds impact network service architectures.
Seven Principles For Selecting Software Packages
Everything you always wanted to know but were afraid to ask about the decision-making process.
Heat maps are a unique and powerful way to visualize latency data. Explaining the results, however, is an ongoing challenge.
A Tour Through the Visualization Zoo
A survey of powerful visualization techniques, from the obvious to the obscure.
Emulating a video system shows how even a simple interface can be more complex—and capable—than it appears.
Securing Elasticity in the Cloud
Elastic computing has great potential, but many security challenges remain.
Why Cloud Computing Will Never Be Free
The competition among cloud providers may drive prices downward, but at what cost?
Enhanced Debugging With Traces
An essential technique used in emulator development is a useful addition to any programmer's toolbox.
Principles of Robust Timing Over the Internet
The key to synchronizing clocks over networks is taming delay variability.
Clearing the clouds away from the true potential and obstacles posed by this computing capability.
What can be done to make cooling systems in data centers more energy efficient?
Global IT Management: Structuring For Scale, Responsiveness, and Innovation
To succeed on a global scale, businesses should focus on a trio of key elements.
Shape the Future of Computing
ACM encourages its members to take a direct hand in shaping the future of the association. There are more ways than ever to get involved.
Get InvolvedCommunications of the ACM (CACM) is now a fully Open Access publication.
By opening CACM to the world, we hope to increase engagement among the broader computer science community and encourage non-members to discover the rich resources ACM has to offer.
Learn More