Examples of Hints (used in ROMIO)

• striping_unit

• striping_factor

• cb_buffer_size

• cb_nodes

• ind_rd_buffer_size

• ind_wr_buffer_size

• start_iodevice

• pfs_svr_buf

• direct_read

• direct_write

MPI-2 predefined hints

New Algorithm Parameters

Platform-specific hints

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