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Prefetch Memory Region

Prefetch Memory Region (MR) enables prefetch pages of an On-Demand Paging (ODP) memory region.

Prefetch Memory Region Experimental vs. RDMA-Core Verbs

Experimental Verbs

RDMA-Core Verbs

ibv_exp_prefetch_mr

  • IBV_EXP_PREFETCH_WRITE_ACCESS

ibv_advise_mr

  • IBV_ADVISE_MR_ADVICE_PREFETCH

  • IBV_ADVISE_MR_ADVICE_PREFETCH_WRITE

Relevant Man Page

ibv_advise_mr: https://github.com/linux-rdma/rdma-core/blob/master/libibverbs/man/ibv_advise_mr.3.md

Example

See example in libibverbs/examples/rc_pingpong.c
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