InfiniBand explained - Stack Overflow
To learn basics of InfiniBand I suggest you to visit Mellanox Academy Web-Site and after registration take InfiniBand Essentials or InfiniBand Fundamentals course (in a section …
tcpdump - Packet capture in RDMA? - Stack Overflow
Sep 26, 2012 · For Infiniband there is ibdump, however, depending on the Infiniband software you are using (open-source OFED vs. the proprietary Mellanox OFED) and the host channel …
rdma - Infiniband transport Layer - Stack Overflow
The InfiniBand specification defines how the transport layer should be implemented (either in hardware or software), and also defines how it should be exposed to users.
infiniband - RDMA memory sharing - Stack Overflow
I have a few multi-core computers connected by Infiniband network. I would like to have some low-latency computation on a pool of shared memory, with remote atomic operations. I know …
linux - MPI hello_world to test infiniband - Stack Overflow
Feb 5, 2022 · FWIW, btl/openib is a legacy component, and you should really use UCX. The logs indicate that Open MPI fails to use Infiniband via btl/openib and mtl/ofi (aka libfabric). Though …
Newest 'infiniband' Questions - Stack Overflow
Is it possible to use RDMA over native InfiniBand without IPoIB (using just guid or lid)? I have checked Infiniband addressing - host names to IB address without IBoIP and in RDMA …
What is the difference between IPoIB and TCP over InfiniBand?
Dec 28, 2023 · IPoIB (IP-over-InfiniBand) is a protocol that defines how to send IP packets over IB; and for example Linux has an "ib_ipoib" driver that implements this protocol. This driver …
infiniband - Multithreaded use of a single QP vs multiple QPs to ...
Jul 2, 2022 · All libibverbs APIs are thread-safe, so having multiple threads post to a single QP is obviously not a safety issue. That said, the concurrency is being handled somewhere along …
What is the maximum length of the cable can be for infiniband …
Aug 26, 2013 · You can refer the following table for the appropriate cable selection. In a topology like fat-tree, if you like to connect a leaf switch with a spine switch, even the length is less than …
How to invoke InfiniBand with OpenMPI - Stack Overflow
Jul 14, 2017 · Here, " -mca btl tcp,self " reveals that TCP is used, and the cluster has InfiniBand. What should be changed in compiling and running commands for InfiniBand to be invoked?