US-Cameroon Planing Research Visit on Combined Binary Code Translation and Synthesis for Heterogeneous Multiprocessor Systems, January 2014

1346542Bobda该奖项将支持阿肯色大学的Christophe Bobda博士于2013年12月至2014年1月对喀麦隆雅温得大学和德昌大学进行为期10天的计划研究访问。他将由阿肯色大学的两名学生陪同。这次拟议访问的主要目的是会见雅温得大学的Rene Ndoundam博士和德昌大学的副教授，以制定国际研究的总体计划。他们将(1)制定编译器、体系结构综合和运行时体系结构优化领域的未来合作计划，(2)建立远程合作的研究、培训和交流框架，(3)为制定国际赠款提案奠定基础，以维持这一努力，以及(4)与喀麦隆学生和教职员工组织研讨会和现场可编程门阵列实验室，向他们传授计算机体系结构和现场可编程门阵列设备多核设计方面的技术方面的知识：该项目将有助于利用新体系结构在遗留代码上的性能，从而节省重新设计的时间和金钱。随着要配置的元素数量的减少，建议的粗粒度体系结构将允许在可配置处理器上快速运行时合成选定的代码块。提出的粗粒度体系结构使用直接互连和片上网络元件的组合来增加设备级的灵活性，同时在组件边界内保持高性能。基于运行时频谱的综合方法利用关联指令矩阵的拉普拉斯矩阵的奇异值来计算指令在二维域中的布局，使得指令之间的总互连成本最小。最后，建议的通用和可配置的流组件将允许透明地管理在可重构处理器上执行的代码块和在其余处理器上运行的代码块之间的数据交换和同步。广泛影响：该项目的主要成果之一是针对异类多处理器系统的传统二进制代码的运行时翻译。这将允许将现有程序自动迁移到新的体系结构上，从而提高其性能，同时避免完全重新设计和重新编译。这次计划中的访问将为更广泛的国际合作网络奠定基础，新的合作伙伴可以很容易地融入其中。这一合作努力产生的研究内容将使美国和喀麦隆的本科生和研究生受益。来自阿肯色大学的两名学生将通过在雅温得大学和德昌大学组织的研讨会上展示他们的工作来获得国际经验。除了规划访问之外，PI还将积极从阿肯色州大学招聘几名本科生研究人员，特别是女性和少数族裔，从事编译器、建筑设计和应用方面的工作。科学和工程研究中代表性不足的群体将通过A大学工程职业意识计划(ECAP)、阿肯色州路易斯·斯托克斯少数人参与联盟(ARK-LSAMP)和乔治·华盛顿·卡弗项目招募。

1346542BobdaThis award will provide support for PI Dr. Christophe Bobda, from the University of Arkansasto organize a 10 day planning research visit in December 2013-January 2014 to the University of Yaounde in Yaounde and the University of Dschang in Dschang, both in Cameroon. He will be accompanied by two students from the University of Arkansas. The main objective of this proposed trip is to meet with Dr. Rene Ndoundam of the University of Yaounde and associate faculty at the University of Dschang to develop a master plan for international research. They will (1) develop plans for future collaboration in the fields of compilers, architecture synthesis and run-time architecture optimization, (2) put in place a research, training and exchange framework for the remote collaboration, (3) set the basis for the development of international grant proposals to sustain this effort, and (4) organize seminars and FPGA labs with Cameroonian students and faculty to teach them technical aspects in computer architecture and multicore design on FPGA devices.Intellectual Merit: This project will help leverage the performance of new architecture on legacy code, thus saving time and money for redesign. With the reduced amount of elementsto configure, the proposed coarse-grained architecture will allow for a fast run-time synthesisof selected code blocks onto the configurable processor. The proposed coarse-grained architecture uses a combination of direct interconnect and network on chip elements to increase the flexibility at device level, while maintaining high performance within a component boundary. The proposed run-time spectral-based synthesis approach uses the singular values of the Laplacian of the incident instruction-matrix to compute the placement of instructions in a 2D field in such a way that the total interconnect cost among instructions is minimized. Finally, the proposed generic and configurable streaming component will allow for a transparent management of data exchange and synchronization among code blocks executing on the reconfigurable processor and those running on the remaining processors.Broader Impacts: One of the major outcomes of this project is the run-time translation of legacy binary code for heterogeneous multiprocessor systems. This will allow for automatic migration of existing programs onto new architectures, thus improving their performance while avoiding complete redesign and recompilation. The planning visit will lay the groundwork for a broader international collaboration network in which new partners could be easily integrated. The research components produced by this collaborative effort would benefit undergraduate and graduate students in the United States and in Cameroon. The two students from the University of Arkansas will gain international experience by presenting their work at the seminars organized at the University of Yaounde and the University of Dschang. Beyond the planning visit, the PI will actively recruit several undergraduate researchers, especially women and minorities, from the U of A to work on compilers, architecture design and applications. Under-represented groups in science and engineering research will be recruited through the U of A Engineering Career Awareness Program (ECAP), Arkansas Louis Stokes Alliance for Minority Participation (ARK-LSAMP), and the George Washington Carver Project.