Bibliothèque Intel® MPI Library

Local Options

Local Options

-n <# of processes> or -np <# of processes>

Use this option to set the number of MPI processes to run with the current arg-set.

-env <ENVVAR> <value>

Processor Identification

Processor Identification

The following schemes are used to identify logical processors in a system:

  • System-defined logical enumeration

  • Topological enumeration based on three-level hierarchical identification through triplets (package/socket, core, thread)

Timer Control

Timer Control

I_MPI_TIMER_KIND

Select the timer used by the MPI_Wtime and MPI_Wtick calls.

Syntax

I_MPI_TIMER_KIND=<timername>

Processor Identification

Processor Identification

The following schemes are used to identify logical processors in a system:

  • System-defined logical enumeration

  • Topological enumeration based on three-level hierarchical identification through triplets (package/socket, core, thread)

IPM Statistics Format

IPM Statistics Format

The Intel® MPI Library supports integrated performance monitoring (IPM) summary format as part of the built-in statistics gathering mechanism described above. You do not need to modify the source code or re-link your application to collect this information.

Debugging and Testing

The Intel® MPI Library supports for the Microsoft* Visual Studio* debugger. Check the Intel® MPI Library Release Notes for Windows* OS for a full list of supported Microsoft Visual Studio versions. Check the Microsoft Visual Studio documentation for details on how to link with third party libraries.

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