#Environmental visualization lab binghamton university code#

The workflow's input is source code annotated with Palm modeling annotations. For instance, Palm incorporates measurements to focus attention, represent constant behavior, and validate models. Because Palm coordinates models and source code, Palm's models are 'first-class' and reproducible. A model's hierarchy is defined by static and dynamic source code structure. Palm generates models by combining top-down (human-provided) semantic insight with bottom-up static and dynamic analysis. A generated model is a an executable program whose constituent parts directly correspond to the modeled application. Given an application, a set of annotations, and a representative execution environment, Palm will generate the same model. Palm generates hierarchical models according to well-defined rules. Furthermore, this link moreВ В» makes it possible to define rules for generating models according to source code organization. This link is important because a model's purpose is to capture application behavior. Not only does the modeling language divide the modeling task into sub problems, it formally links an application's source code with its model. Palm provides a source code modeling annotation language. The Performance and Architecture Lab Modeling tool, or Palm, is a modeling tool designed to make application modeling easier. Furthermore, models are frequently expressed in forms that are hard to distribute and validate.

В«В lessДЄnalytical application performance models are critical for diagnosing performance-limiting resources, optimizing systems, and designing machines. Bocca embraces the philosophy pioneered by Ruby Rails for web applications: Start with something that works and evolve it to the user's purpose. Bocca automates the tasks related to the component glue code, freeing the user to focus on the scientific aspects of the application.

Of critical importance for HPC applications, Bocca is designed to operate in a language-agnostic way, simultaneously handling components written in any of the languages commonly used in scientific applications: C, C++, Fortran, Fortran77, Python, and Java. Bocca provides project management and a comprehensive build environment for creating and managing applications composed of Common Component Architecture components. To address these needs, we introduce Bocca, the first tool to enable application developers to perform rapid component prototyping while maintaining robust software-engineering practices suitable moreВ В» to HPC environments. Component-based soft ware meant to reduce complexity at the application level increases complexity with the attendant glue code.

#Environmental visualization lab binghamton university software#

Even when the development of new components mostly reuses existing components or libraries and only small amounts of new code must be created, dealing with the component glue code and software build processes to obtain complete applications is still tedious and error-prone. In high-performance scientific software development, the emphasis is often on short time to first solution. Details of the CUMULVS design goals and compromises as well as future directions are given.

CUMULVS allows the programmer to specify user-directed checkpoints for saving important program state in case of failures, and also provides a mechanism to migrate tasks across heterogeneous machine architectures to achieve improved performance. = for computational experiments and analyses.