CSR: Small: Scripting at the Speed of C

软件开发人员越来越多地使用动态脚本语言，不仅用于快速原型设计或作为“粘合”代码，而且还用于编写大型应用程序。程序员喜欢脚本语言，因为它们具有在需要时只需使用变量的灵活性，而不必声明它。这会减少代码行，并允许更快的代码开发。不幸的是，使动态脚本语言更高效的相同功能，使它们很难生成有效的代码。这个项目正在研究一种硬件-软件解决方案，使使用动态脚本语言编写的程序能够像静态类型语言(如C、C或Java)一样快地运行。为此，该项目正在致力于设计新的程序转换，通过利用创新的硬件支持来检测生成代码时所做的假设是否正确，从而生成高效的代码。此外，新颖的硬件向编译器提供信息，从而实现更积极的优化。硬件和软件设计是由一项分析脚本语言开销的主要来源的研究得出的结果驱动的。该项目的研究将导致更高的程序员生产力，并将使脚本语言能够在今天不使用脚本语言的领域使用。

Software developers are increasingly using dynamic scripting languages not only for quickly prototyping or as "glue"code, but also to write large applications. Programmers like scripting languages because they have the flexibility of simply using a variable when needed, without having to declare it. This results in fewer lines of code and allows for faster code development. Unfortunately the same features that make dynamic scripting languages more productive, make them hard to generate efficient code for.This project is working on a hardware-software solution to enable programs written using dynamic scripting languages to run as fast as statically typed languages, such as C, C++ or Java. To that end, this project is working on the design of new program transformations that can generate highly efficient code by taking advantage of innovative hardware support that detects if the assumptions done when generating the code are correct. Additionally, novel hardware provides to the compiler information that enables even more aggressive optimizations. Hardware and software designs are driven by the results obtained from a study that analyzes the main sources of overhead of scripting languages. The research in this project will result in higher programmer productivity and will enable the use of scripting languages in domains where they are not used today.