EAGER: Collaborative Research: Toward An Adaptive Programming System for Cloud-Enabled Smartphone Applications

智能手机正在迅速成为我们的社会所依赖的一个成熟的计算平台。考虑到手机的处理和存储限制，在“云”中访问数据和计算资源的智能手机应用程序是不可避免的。如今，在手机和云端之间划分智能手机应用程序的重担直接落在了程序员身上。这种手动划分应用程序的方法从根本上是有限的，不会扩展到允许智能手机成为真正丰富和强大的计算平台。手动分区既繁琐又容易出错。此外，手动分区要求程序员做出重要的决定，直到运行时才能做出正确的决定。这个项目探索了一个用于支持云的智能手机应用程序的编程系统的需求、设计和实现，该系统具有内在的自适应性，以透明的方式对应用程序进行分区，以应对各种动态约束。该项目正在研究来自不同领域的支持云的智能手机应用程序，以了解实践中的应用程序需求、限制和权衡。该项目还在寻求编程模型，使开发人员能够灵活地、声明性地表达应用程序的组件及其依赖项和约束。最后，该项目正在开发一个原型系统架构，它将根据应用程序的要求在手机和云上协作执行应用程序。在不久的将来，智能手机将改变向大部分人传递健康和生活方式的方式。该项目旨在通过使丰富的智能手机应用程序更易于创建、调整和理解来实现这一转变。

Smartphones are fast becoming a full-fledged computing platform thatour society depends upon. Smartphone applications that access dataand computing resources in the "cloud" are inevitable given theprocessing and storage limitations on the phones. Today the burden ofpartitioning smartphone applications between the phone and the cloudlies squarely with the programmer. This manual approach topartitioning applications is fundamentally limited and will not scaleup to allow smartphones to become a truly rich and robust computingplatform. Manual partitioning is tedious and error prone. Moreover,manual partitioning requires the programmer to make importantdecisions that cannot be properly made until run time.This project explores the requirements, design, and implementation ofa programming system for cloud-enabled smartphone applications that isinherently adaptive, partitioning applications transparently in orderto cope with a diverse set of dynamic constraints. The project isstudying cloud-enabled smartphone applications from a variety ofdomains in order to understand application requirements, constraints,and tradeoffs in practice. The project is also pursuing programmingmodels that allow developers to flexibly and declaratively express anapplication's components along with their dependencies andconstraints. Finally, the project is developing a prototype systemarchitecture that collaboratively executes an application on the phoneand the cloud subject to the application's requirements. Within adecade, smartphones will transform the way health and lifestylechoices are delivered to much of the population. This project ishelping to enable this transformation by making a rich class ofsmartphone applications much easier to create, adapt, and understand.