Informed prefetching and caching
SOSP '95 Proceedings of the fifteenth ACM symposium on Operating systems principles
Using predictive prefetching to improve World Wide Web latency
ACM SIGCOMM Computer Communication Review
Garbage collection: algorithms for automatic dynamic memory management
Garbage collection: algorithms for automatic dynamic memory management
Automatic I/O hint generation through speculative execution
OSDI '99 Proceedings of the third symposium on Operating systems design and implementation
Speculative execution in a distributed file system
Proceedings of the twentieth ACM symposium on Operating systems principles
JavaScript: The Definitive Guide
JavaScript: The Definitive Guide
The Definitive ANTLR Reference: Building Domain-Specific Languages
The Definitive ANTLR Reference: Building Domain-Specific Languages
Mining longest repeating subsequences to predict world wide web surfing
USITS'99 Proceedings of the 2nd conference on USENIX Symposium on Internet Technologies and Systems - Volume 2
Exploring the bounds of web latency reduction from caching and prefetching
USITS'97 Proceedings of the USENIX Symposium on Internet Technologies and Systems on USENIX Symposium on Internet Technologies and Systems
Hiding I/O latency with pre-execution prefetching for parallel applications
Proceedings of the 2008 ACM/IEEE conference on Supercomputing
Operating system support for application-specific speculation
Proceedings of the sixth conference on Computer systems
Sprint: speculative prefetching of remote data
Proceedings of the 2011 ACM international conference on Object oriented programming systems languages and applications
How far can client-only solutions go for mobile browser speed?
Proceedings of the 21st international conference on World Wide Web
Jigsaw: efficient, low-effort mashup isolation
WebApps'12 Proceedings of the 3rd USENIX conference on Web Application Development
Enhancing javascript with transactions
ECOOP'12 Proceedings of the 26th European conference on Object-Oriented Programming
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Early web content was expressed statically, making it amenable to straightforward prefetching to reduce user-perceived network delay. In contrast, today's rich web applications often hide content behind JavaScript event handlers, confounding static prefetching techniques. Sophisticated applications use custom code to prefetch data and do other anticipatory processing, but these custom solutions are costly to develop and application-specific. This paper introduces Crom, a generic JavaScript speculation engine that greatly simplifies the task of writing low-latency, rich web applications. Crom takes preexisting, non-speculative event handlers and creates speculative versions, running them in a cloned browser context. If the user generates a speculated-upon event, Crom commits the precomputed result to the real browser context. Since Crom is written in JavaScript, it runs on unmodified client browsers. Using experiments with speculative versions of real applications, we show that pre-commit speculation overhead easily fits within user think time. We also show that speculatively fetching page data and precomputing its layout can make subsequent page loads an order of magnitude faster.