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ngc_rdma_test.sh may mislead users in Dual-port scenarios #115

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RavidRothfeld opened this issue May 27, 2024 · 1 comment
Open

ngc_rdma_test.sh may mislead users in Dual-port scenarios #115

RavidRothfeld opened this issue May 27, 2024 · 1 comment
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@RavidRothfeld
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MCX653106A-HDAT_RDMA_Test_dual_unidir.log

ngc_rdma_test.sh may mislead the user about his results (Relevant for dual ports or more).

For example:
If we have a Cx6DX 200GbE Dual-port and it is residing on a Gen5 system, we are limited by the NICs' capabilities to reach maximum BW.
Using ngc_rdma_test.sh, we will get 100~ Gbp/s for each port.

The script thinks that each port of the card can reach 200 Gbp/s and thus will report to the user that the test failed, although it reached maximum BW.

@RazGavrieli
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But isn't it a relevant case? We test BF 200GbE dual-port cards and reach 720~+ (bi-directional dual port).

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