Hiago Vieira, Rogério Gonçalves, and João Fabrício Filho. 2025. Matrix Multiplication Performance in Multicore Systems with Pthreads, OpenMP, Blocking, SIMD, and BLAS. In Proceedings of the 16th Regional School of High-Performance Computing of São Paulo, May 28, 2025, São José do Rio Preto/SP, Brasil. SBC, Porto Alegre, Brasil, 38-41. DOI: https://doi.org/10.5753/eradsp.2025.9727.