A framework for global instruction scheduling is developed that progressively improves a given instruction schedule by eliminating delay slots in the schedule one at a time through the application of global code motions. The elimination of a delay slot is carried out in two steps: a goal oriented search which identiies a global code motion or a cascade of code motions that eliminate the delay w...

Setback in elevation of a structure is a special irregularity with considerable effect on its seismic performance. This paper addresses multistory Reinforced Concrete (RC) frame buildings, regular and irregular in elevation. Several multistory Reinforced Concrete Moment Resisting Frames (RCMRFs) with different types of setbacks, as well as the regular frames in elevation, are designed according...

In this paper we investigate performance of global communications in a particular parallel code. The code simulates dynamics of expansion of premixed spherical flames using an asymptotic model of Sivashinsky type and a spectral numerical algorithm. As a result, the code heavily relies on global all-to-all interprocessor communications implementing transposition of the distributed data array in ...

We parallelized Goldberg’s push-relabel max flow algorithm and its global update heuristic. We achieve a speedup of 2 for the global update heuristic on wide rm f graphs when run on 8 processors. We also implemented a version of the global update heuristic that can run concurrently with the parallel pushrelabel code. The best parallel push-relabel algorithm showed a speedup of 2 on longer rm f ...

As the useful life expectancy of software continues to increase, the task of maintaining the source code has become the dominant phase of the software life-cycle. In order to improve the ability of software to age and successfully evolve over time, it is important to identify system design and programming practices which may result in increased difficulty for maintaining the code base. This stu...

Code mobility is a mechanism that allows the migration of running programs between different environments. Such migration includes amongst others the migration of application data and resources. Application’s data is is usually composed by elements of different nature: from printers and files, to framework and domain objects. This application data will be transported along with the code of its ...