Tutorial
Using MPI Tuner for Intel® MPI Library on Linux* OS
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ID
768652
Date
2/19/2016
Public
Message Sizes
Use the -mr option to set the range of message sizes to be tuned (in bytes):
$ mpitune ... -mr 16:2097152
The mpitune utility tunes MPI operations with message sizes that are powers of 2, between the specified bounds of 16 and 2097152 bytes.
Parent topic: Task 1: Minimize Tuning Time in Cluster- Specific Mode