Author

Michel Schanen

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Preprint Aug 2026

ExaModels.jl: an Algebraic Modeling System for Nonlinear Programming on GPUs

Large-scale nonlinear programs almost always exhibit partially separable and repetitive structure, yet most existing algebraic modeling systems do not take advantage of it. A nonlinear optimization solver queries the objective, the constraints, and their derivatives at every iteration, so the speed of these evaluations...

Sung-Ho Shin, Michel Schanen, F. Pacaud et al. · 0 citations

Open access Jul 2026

XK.jl: Composable and Portable Multi-GPU BLAS in Julia

This paper introduces XK.BLAS: the BLAS module of the Julia package XK.jl. This module provides BLAS APIs that are portable across all three major GPU vendors (AMD, Intel, NVIDIA) for multi-device architectures. XK.BLAS is built on top of the XKRT tasking runtime systems and the XKBlas library. An XKBlas program is a s...

R. Pereira, Alexis Montoison, Michel Schanen et al. · JuliaCon Proceedings · 0 citations