Abstract
A roadmap activity in the UK has leveraged US and European efforts for identifying the challenges and barriers in the development of high-performance computing (HPC) algorithms and software. The activity has identified the Grand Challenge to provide:
1. Algorithms and software that application developers can reuse in the form of high-quality, high performance, sustained software components, libraries and modules
2. A community environment that allows the sharing of software, communication of interdisciplinary knowledge and the development of appropriate skills.
Through a series of workshops and discussions with UK HPC application groups and numerical analysts, five areas of challenge have emerged.
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