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Article0 replies3,168 followingPosted 06 Dec 2025, 14:36 UTC101.8K views4,004 votes

When MATLAB's gpuArray Pays Off: A Practical Decision Guide for GPU Acceleration

MATLAB's gpuArray can deliver 5–20× speed-ups, but only for large arrays and supported functions. Learn when the GPU transfer tax is worth paying and how to verify results.

Community & Careers · Blog

matlab

Community & Careers

Article0 replies1,445 followingPosted 02 May 2026, 12:45 UTC147.9K views1,763 votes

Speeding Up MATLAB Matrix Operations on a GPU with gpuArray

Move large MATLAB matrix and FFT workloads to a CUDA GPU with gpuArray: environment checks, transfer-overhead pitfalls, honest timing with wait(gpuDevice), and when the GPU is not worth it.

Community & Careers · Guide

gpuarray gpu-computing

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