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Carl Pearson
2021-04-30 15:08:16 -06:00
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README.md
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# mpi_test
Various standalone MPI binaries
* all pass `argc`/`argv` to `MPI_Init`
Various standalone MPI binaries, either tests or examples depending on your perspective.
The goal is to compile with no warnings with `-Wall -Wextra -Wshadow -pedantic` or similarly picky settings.
Adjust `Makefile` to match your environment, if needed
* uses `mpicxx` and a few simple flags by default
@@ -18,8 +18,12 @@ Adjust `run-all.sh` to match your environment, if needed
./run-all.sh
```
If any tests fail, you can run them individually.
If any binaries fail, you can run them individually...
## Run individual tests
Execute any binary you want using `mpirun`, or whatever is appropriate for your platform.
Execute any binary you want using `mpirun`, or whatever is appropriate for your platform.
## Notes on specific platforms
Some Open MPIs use `long long` for their datatypes, which means we can't support ANSI C++ (`-ansi`).