Relative Addressing As described in the previous section, applications use endpoint objects as their communication interfaces for data tran...

Work Request Entity (WRE)  The UET provider constructs a Work Request Entity (WRE) from a fi_write RMA operation that has been validated and...

Introduction [Updated 22 November 2025: Handoff Section] The previous chapter described how an application gathers information about availab...

[Figure updated 13 November 2025] My previous UET posts explained how an application uses libfabric function API calls to discover available...

Memory Registration and Endpoint Binding in UET with libfabric  [updated 25-Oct, 2025 - (RIs in the figure)] In distributed AI workloads, ea...

Address Vector Overview To enable Remote Memory Access (RMA) operations between processes, each endpoint — representing a communication chan...

Endpoint Creation and Operation [Updated 12-October, 2025: Figure & uet addressing section] In libfabric and Ultra Ethernet Transport (U...

Fabric Object Fabric Object Overview In libfabric, a fabric represents a logical network domain, a group of hardware and software resources ...

Updated 8-Ocotber 2025 Creating the fi_info Structure Before the application can discover what communication services are available, it firs...

 Address Vector (AV) The Address Vector (AV) is a provider-managed mapping that connects remote fabric addresses to compact integer handles ...