[mvapich-discuss] service data size evaluation

[Dhabaleswar Panda]

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>
> Dear developers!
>
> Could you please suggest how to evaluate size of service data (in bytes)
> which
> are sent for MPI point to point communications implemented in MVAPICH2 1.2?

I believe you are referring to the header size of MPI packets. They vary
with different packet types. For example, for non-RDMA Fast path packets,
the size is 56 bytes.

> Does it differ when using build with BLCR support?

No.

Hope this helps.

Thanks,

DK

> Best regards,
> Arthur Yuldashev
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