Checkpoint-Restart Support

The Checkpoint-Restart feature in IntelĀ® MPI Library is designed to be application transparent. You can access to the Checkpoint-Restart functionality through the MPI process management interface. The Checkpoint-Restart options and environment variables are applicable to the Hydra process manager only. To use the Hydra process manager, set I_MPI_PROCESS_MANAGER=hydra if you to change the process manager from the default value.

Note

The Checkpoint-Restart feature requires the OFA* network module. You can choose the OFA network module, for example, with the I_MPI_FABRICS environment variable by setting the value to ofa, or the -ib option.

Note

To enable the Checkpoint-Restart feature, set the following:

Note

Install the Berkeley Lab Checkpoint/Restart* (BLCR) Software for the Checkpoint-Restart function.