For batch users, when LoadLeveler is used as the resource manager, setting @bulkxfer
results in the setup of the MP_USE_BULK_XFER POE environment variable. Existing
users might want to consider removing the @bulkxfer setting from JCF command files and
set the MP_USE_BULK_XFER environment variable instead.
Set the minimum message length for bulk transfer with the MP_BULK_MIN_MSG_SIZE
environment variable. Contiguous messages with data lengths greater than the value you
specify for this environment variable use the bulk transfer path. Messages that are
non-contiguous or have data lengths that are smaller than or equal to the value you
specify for this en
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