https://github.com/fandreuz/parallel-programming-for-hpc

Scientific codes in C/C++ with CUDA, OpenACC, FFTW, (cu)BLAS
https://github.com/fandreuz/parallel-programming-for-hpc

cpp cuda hpc mpi

Last synced: 2 months ago
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Scientific codes in C/C++ with CUDA, OpenACC, FFTW, (cu)BLAS

• Host: GitHub
• URL: https://github.com/fandreuz/parallel-programming-for-hpc
• Owner: fandreuz
• License: mit
• Created: 2023-03-22T20:05:39.000Z (about 3 years ago)
• Default Branch: master
• Last Pushed: 2023-05-15T09:02:07.000Z (about 3 years ago)
• Last Synced: 2025-03-14T22:12:40.585Z (over 1 year ago)
• Topics: cpp, cuda, hpc, mpi
• Language: C
• Homepage:
• Size: 660 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Parallel programming for HPC

Weekly exercises for the course in _Parallel programming for HPC_ @ UniTS.

## Topics

- Distributed parallelism (MPI)

- BLAS

- (NVIDIA) GPU programming

    - CUDA

    - Theory & best practices

- cuBLAS

- OpenACC

- FFTW

## Some plots

The following time measurements were taken on standard nodes on [Marconi-100](https://wiki.u-gov.it/confluence/pages/viewpage.action?pageId=336727645).

### Matrix multiplication (MPI, BLAS, cuBLAS)

**2500x2500**

![](imgs/matmul_2500.png)

**5000x5000**

![](imgs/matmul_5000.png)

### Jacobi method --- heat diffusion (MPI, OpenACC)

![](imgs/jacobi_10000_1000.png)

### FFT 3D (MPI, FFTW)

![](imgs/fft3d.png)