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SDDP.jl: a Julia package for Stochastic Dual Dynamic Programming

Oscar Dowson (o.dowson***at***auckland.ac.nz)
Lea Kapelevich (lkap***at***mit.edu)

Abstract: In this paper we present SDDP.jl, an open-source library for solving multistage stochastic optimization problems using the Stochastic Dual Dynamic Programming algorithm. SDDP.jl is built upon JuMP, an algebraic modelling language in Julia. This enables a high-level interface for the user, while simultaneously providing performance that is similar to implementations in low-level languages. We benchmark the performance of SDDP.jl against a C++ implementation of SDDP for the New Zealand Hydro-Thermal Scheduling Problem. On the benchmark problem, SDDP.jl is approximately 30% slower than the C++ implementation. However, this performance penalty is small when viewed in context of the generic nature of the SDDP.jl library compared to the single purpose C++ implementation.

Keywords: SDDP; Julia; Stochastic Dual Dynamic Programming; DOASA

Category 1: Stochastic Programming

Category 2: Optimization Software and Modeling Systems


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Entry Submitted: 12/21/2017
Entry Accepted: 12/22/2017
Entry Last Modified: 01/15/2018

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