matmul

matrix multiplication using naive C/C++, OpenCV, CUDA

Dependency

• cmake >= 3.10.0
• cuda >= 11.1
• opencv

Build

Linux

mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..;cmake --build . --config "Release" -j;
cd ..

Run

./bin/matmul.exe

Result

Environment

• CPU : Intel Zeon E5-2643 (6core, 3.4GHz)
• GPU : NVIDIA Titan XP
• OS : ubuntu 18.04
• CUDA : 11.1
• OpenCV : 4.5.0
• C++ : 17

Performance (ms)

average running time when iterating 10000.

Matrix size(N*N)	naive C/C++	OpenCV	CUDA
10	0.001814	0.00211	0.00251
100	0.829002	0.512281	0.005964
1000	1041.928947	366.799433	1.132146