https://github.com/sbromberger/gompi

OpenMPI bindings for the Go programming language
https://github.com/sbromberger/gompi

go golang hpc mpi openmpi parallel

Last synced: about 1 month ago
JSON representation

OpenMPI bindings for the Go programming language

• Host: GitHub
• URL: https://github.com/sbromberger/gompi
• Owner: sbromberger
• License: other
• Created: 2019-10-15T17:52:52.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2022-02-18T13:37:43.000Z (about 3 years ago)
• Last Synced: 2025-03-18T05:23:25.365Z (about 1 month ago)
• Topics: go, golang, hpc, mpi, openmpi, parallel
• Language: Go
• Homepage:
• Size: 97.7 KB
• Stars: 42
• Watchers: 1
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

Awesome Lists containing this project

README

        
[![CI](https://github.com/sbromberger/gompi/actions/workflows/ci.yml/badge.svg)](https://github.com/sbromberger/gompi/actions/workflows/ci.yml)

GoMPI: Message Passing Interface for Parallel Computing

The `gompi` package is a lightweight wrapper to the [OpenMPI](https://www.open-mpi.org) C++ library

designed to develop algorithms for parallel computing.

GoMPI is a fork of the [gosl](https://github.com/cpmech/gosl) MPI library with additional methods.

## Installation

1) install [OpenMPI](https://www.open-mpi.org) for your system

2) ensure  [golang.org/x/tools/cmd/stringer](https://godoc.org/golang.org/x/tools/cmd/stringer) is installed (`go get` if not)

3) run `make install`

(Other `make` options include `test`, `build`, and `clean`.)

## Performance

The latency benchmarks are as follows (note: the Go benchmark does not test a message size of zero bytes):

| message size (bytes) | GoMPI (µs) | OSU MPI Latency Test v5.8 (µs) |

|---|---|---|

| 0 | n/a  | 0.36 |

| 1 | 0.45 | 0.33 |

| 2 | 0.45 | 0.32 |

| 4 | 0.42 | 0.31 |

| 8 | 0.45 | 0.30 |

| 16 | 0.43 | 0.32 |

| 32 | 0.43 | 0.32 |

| 64 | 0.43 | 0.32 |

| 128 | 0.45 | 0.35 |

| 256 | 0.47 | 0.37 |

| 512 | 0.60 | 0.41 |

| 1024 | 0.66 | 0.34 |

| 2048 | 0.74 | 0.45 |

| 4096 | 2.01 | 1.51 |

| 8192 | 2.75 | 1.82 |

| 16384 | 3.61 | 2.36 |

| 32768 | 4.83 | 3.32 |

| 65536 | 9.24 | 4.96 |

| 131072 | 17.15 |  10.53 |

| 262144 | 31.09 | 23.07 |

| 524288 | 57.01 | 43.78 |

| 1048576 | 117.72 | 84.43 |

| 2097152 | 235.34 | 220.47 |

| 4194304 | 599.43 | 619.64 |

Benchmark code may be found in `cmd/latency.go`.