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This repository contains the data plotted in [Sec. 4, 1] and the MATLAB code used to generate it.

The scripts rely on thegemmi library for simulating integer-based GEMM.

The errors indata were produced with MATLAB version R2024a Update 2 and the gemmi version under the SHAddc562ea9404b6ced325ef66a6a804ef383b73e5.Run the scriptrun_tests.m to regenerate the data files indata or run the shell scriptplot.sh to regenerate the data files and plot the figures indiagrams.

[1] A. Abdelfattah, J. Dongarra, M. Fasi, M. Mikaitis, and F. TisseurAnalysis of Floating-Point Matrix Multiplication Computed via Integer Arithmetic. arXiv:2506.11277 [math.NA]. June, 2025.

This software is distributed under the terms of the 2-clause BSD software license (seeLICENSE).