Thu 18 Jul 2019 11:50 - 12:10 at Mancy - Domain Specific Languages Chair(s): Sebastian Erdweg

We present NumLin, a functional programming language whose type system is designed to enforce the safe usage of the APIs of low-level linear algebra libraries (such as BLAS/LAPACK). We do so through a brief description of its key features and several illustrative examples. We show that NumLin’s type system is sound and that its implementation improves upon naïve implementations of linear algebra programs, almost towards C-levels of performance. By doing so, we demonstrate (a) that linear types are well-suited to expressing the APIs of low-level linear algebra libraries accurately and concisely and (b) that, despite the complexity of prior work on it, fractional permissions can actually be implemented using simple, well-known techniques and be used practically in real programs.

NumLin-ECOOP-19-Presentation (ecoop-19.pptx)5.20MiB

Thu 18 Jul

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10:30 - 12:10
Domain Specific LanguagesResearch Papers at Mancy
Chair(s): Sebastian Erdweg JGU Mainz
10:30
20m
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Yossi Gil Technion—Israel Institute of Technology, Ori Roth Technion
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Amir Shaikhha University of Oxford, Lionel Parreaux EPFL
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11:50
20m
Research paper
NumLin: Linear Types for Linear Algebra
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Dhruv Makwana Unaffiliated, Neel Krishnaswami Computer Laboratory, University of Cambridge
DOI Pre-print Media Attached File Attached