Lossy compression of matrices by black-box optimisation of mixed-integer non-linear programming

• URL: http://arxiv.org/abs/2204.10579v1
• Date: Fri, 22 Apr 2022 08:58:36 GMT
• Title: Lossy compression of matrices by black-box optimisation of mixed-integer non-linear programming
• Authors: Tadashi Kadowaki and Mitsuru Ambai
• Abstract summary: In edge computing, suppressing data size is a challenge for machine learning models that perform complex tasks such as autonomous driving. Efficient lossy compression of matrix data has been introduced by decomposing it into the product of an integer and real matrices. In this paper, we improve this optimisation by utilising recently developed black-box optimisation algorithms with an Ising solver for integer variables.
• Score: 1.1066593559733056
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In edge computing, suppressing data size is a challenge for machine learning models that perform complex tasks such as autonomous driving, in which computational resources (speed, memory size and power) are limited. Efficient lossy compression of matrix data has been introduced by decomposing it into the product of an integer and real matrices. However, its optimisation is difficult as it requires simultaneous optimisation of an integer and real variables. In this paper, we improve this optimisation by utilising recently developed black-box optimisation (BBO) algorithms with an Ising solver for integer variables. In addition, the algorithm can be used to solve mixed-integer programming problems that are linear and non-linear in terms of real and integer variables, respectively. The differences between the choice of Ising solvers (simulated annealing (SA), quantum annealing (QA) and simulated quenching (SQ)) and the strategies of the BBO algorithms (BOCS, FMQA and their variations) are discussed for further development of the BBO techniques.

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