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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: 18 days 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 (almost 2 years ago)
Default Branch: master
Last Pushed: 2023-05-15T09:02:07.000Z (over 1 year ago)
Last Synced: 2024-11-20T17:57:26.143Z (3 months 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)