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Data · dataset · 2021

Execution time of double-precision and high-precision SYMV implementations on Intel Core i5-7500 and NVIDIA Turing RTX 2080

Listed in Teesside University Research Data Repository

This dataset contains the execution time for dense symmetric matrix-vector multiplication (SYMV, BLAS Level 2) implemented using existing double-precision linear algebra software as well as multiple-precision libraries for CPU and GPU.

Description

Each raw file provided contains the results of three test runs in milliseconds. For each test run, the SYMV function was repeated ten times, the total execution time of ten iterations was measured, and then the average was calculated.

The complete source code for the tests can be found at github.com/kisupov/mpres-blas. Common experiment settings: • Dense, random, 5000-by-5000 matrix; • Only the upper triangular part of the matrix was used; • Measurements are in milliseconds; • Arithmetic precision from 106 to 424 bits. Experimental environment: • Intel Core i5 7500 processor; • 32GB of DDR4 system memory; • NVIDIA Turing RTX 2080 GPU (2944 CUDA Cores, Compute Capability 7.5, 8GB of GDDR6 memory); • Ubuntu 20.04.2 LTS; • NVIDIA Driver V455.32.00; • CUDA Toolkit V11.1.

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The following SYMV implementations are evaluated: • OpenBLAS (OpenMP, 53 bits) – double-precision implementation for CPU using OpenBLAS (github.com/xianyi/OpenBLAS); • cuBLAS - double-precision implementation for CUDA using the NVIDIA Basic Linear Algebra Subroutines library (docs.nvidia.com/cuda/cublas/index.html); • Custom double on GPU (53 bits) – custom double-precision CUDA implementation; • MPFR (OpenMP) – multiple-precision parallel implementation using the GNU MPFR Library for CPU (mpfr.org/); • MPRES-BLAS – multiple-precision CUDA implementation using MPRES-BLAS library (github.com/kisupov/mpres-blas); • CAMPARY – multiple-precision CUDA implementation using CAMPARY library (homepages.laas.fr/mmjoldes/campary/).

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Teesside University Research Data Repositoryoai:data.mendeley.com/rcmwhrjk64.112 d agoJSON v1
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