UCC¶
UCC (Unified Collective Communication) is a collectivecommunication operations API and library that is flexible, complete, and feature-rich for current and emerging programming models and runtimes.
https://www.openucx.org/
Available modules¶
The overview below shows which UCC installations are available per target architecture in EESSI, ordered based on software version (new to old).
To start using UCC, load one of these modules using a module load command like:
(This data was automatically generated on Fri, 06 Feb 2026 at 13:12:13 UTC)
| aarch64/generic | aarch64/a64fx | aarch64/neoverse_n1 | aarch64/neoverse_v1 | aarch64/nvidia/grace | x86_64/generic | x86_64/amd/zen2 | x86_64/amd/zen3 | x86_64/amd/zen4 | x86_64/intel/cascadelake | x86_64/intel/haswell | x86_64/intel/icelake | x86_64/intel/sapphirerapids | x86_64/intel/skylake_avx512 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UCC/1.2.0-GCCcore-13.2.0 | x | x | x | x | x | x | x | x | x | x | x | x | x | x |
| UCC/1.2.0-GCCcore-12.3.0 | x | x | x | x | x | x | x | x | x | x | x | x | x | x |
| UCC/1.1.0-GCCcore-12.2.0 | x | x | x | x | x | x | x | x | x | x | x | x | x | x |