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CL/HIER: check number of TLs per SBGP #919

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merged 1 commit into from
Feb 6, 2024

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Sergei-Lebedev
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What

Add check to CL/HIER to prevent SBGP TL list overflow.

Why ?

For some systems CL/HIER might try to use more than 4 TLs per SBGP. 4 is compile time constant. Fixes bug https://redmine.mellanox.com/issues/3767158

How ?

Ignore TLs if the list already full. Filter out TLs if we know in advance that SBGP size is not supported.

test/mpi/main.cc Show resolved Hide resolved
@Sergei-Lebedev Sergei-Lebedev force-pushed the topic/cl_hier_max_tls_sbgp branch 2 times, most recently from 061d289 to 7e5c31c Compare February 6, 2024 17:58
@artemry-nv
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bot:retest

@bureddy bureddy merged commit c13d26c into openucx:master Feb 6, 2024
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5 participants