[mpiwg-tools] Intel MPI MQD support

Durnov, Dmitry dmitry.durnov at intel.com
Tue Nov 24 10:52:59 CST 2020

Hi Joshua,

I represent Intel MPI team here.

libtvmpi.so should be part of all IMPI 2018 releases. (I checked up to IMPI 2018 U5)

$ mpirun -V
Intel(R) MPI Library for Linux* OS, Version 2018 Update 5 Build 20190404 (id: 18839)
Copyright 2003-2019 Intel Corporation.

$ objdump -x $I_MPI_ROOT/lib64/libtvmpi.so | grep mqs_
000000000002c7b3 g     F .text  0000000000000061              mqs_next_communicator
000000000002c357 g     F .text  00000000000000e7              mqs_setup_process
000000000002c6d4 g     F .text  000000000000006a              mqs_setup_communicator_iterator
000000000002baa1 g     F .text  00000000000008b6              mqs_image_has_queues
000000000002b9c8 g     F .text  000000000000000b              mqs_dll_taddr_width
000000000002c619 g     F .text  000000000000007e              mqs_dll_error_string
000000000002c697 g     F .text  000000000000003d              mqs_update_communicator_list
000000000002ba19 g     F .text  0000000000000088              mqs_setup_image
000000000002c9a9 g     F .text  000000000000003a              mqs_destroy_process_info
000000000002c73e g     F .text  0000000000000075              mqs_get_communicator
000000000002c43e g     F .text  00000000000001db              mqs_process_has_queues
000000000002c9e3 g     F .text  0000000000000022              mqs_destroy_image_info
000000000002c814 g     F .text  00000000000000b3              mqs_setup_operation_iterator
000000000002b9bb g     F .text  000000000000000d              mqs_version_string
000000000002c8c7 g     F .text  00000000000000e2              mqs_next_operation
000000000002b9d3 g     F .text  0000000000000046              mqs_setup_basic_callbacks
000000000002b9b0 g     F .text  000000000000000b              mqs_version_compatibility

As far as I remember we were porting that part to IMPI 2019/2021 as well but you are right that it isn't included into public package for some reason.

I'm going to double check the situation. Thanks for the heads up.

From: mpiwg-tools <mpiwg-tools-bounces at lists.mpi-forum.org> On Behalf Of Josh Cottingham via mpiwg-tools
Sent: Tuesday, November 24, 2020 7:36 PM
To: mpiwg-tools at lists.mpi-forum.org
Cc: Josh Cottingham <Josh.Cottingham at arm.com>; Kevin Mooney <Kevin.Mooney at arm.com>
Subject: [mpiwg-tools] Intel MPI MQD support

Hey everyone,

Is anyone within this group a part of the Intel MPI team or know a contact who works in that team? I was wondering if Message Queue Debugging support has been officially removed from Intel MPI? They've removed references to Message Queue Debugging from their user guide and no longer ship the message queue library libtvmpi.so. We cannot seem to find the find the mqs_ API anywhere (checked with Intel MPI newer than 2018.2).

All the best,

Joshua Cottingham | Software Engineer

SDHE - Development Solutions

Josh.Cottingham at arm.com<mailto:Josh.Cottingham at arm.com>


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