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[RCCL] [AICOMRCCL-598] Add Device API unit tests (rccl-UnitTestsFixtures) #7770

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[RCCL] [AICOMRCCL-598] Add Device API unit tests (rccl-UnitTestsFixtures) #7770

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[RCCL] [AICOMRCCL-598] Add DeviceApi unit tests under rccl-UnitTestsF…
speriaswamy-amd Jun 23, 2026
62c6e68
[RCCL] [AICOMRCCL-598] test_runner: route DeviceApi suite to rccl-Uni…
speriaswamy-amd Jun 23, 2026
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1 change: 1 addition & 0 deletions projects/rccl/CHANGELOG.md
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Expand Up @@ -33,6 +33,7 @@ Full documentation for RCCL is available at [https://rccl.readthedocs.io](https:
* Added `RCCL_IB_P2P_DISABLE_CTS` to disable CTS offload for P2P connections on AINIC. Defaults to 1 (disabled). When `RCCL_CTS_OFFLOAD_ENABLED=1` is explicitly set, it overrides this flag and forces CTS on all connections including P2P.
* Merged `RCCL_CTS_INLINE_DATA` into `RCCL_CTS_OFFLOAD_ENABLED`. CTS offload and CTS inline data are now controlled by a single tri-state variable: `-1` (default, auto-enable on AINIC), `0` (force disable), `1` (force enable for all connections).
* Added Pythonic API bindings under `bindings/nccl4py/` (RCCL fork of NVIDIA `nccl4py` v0.2.0). Provides Python access to RCCL collectives via Cython bindings, an on-disk `cuda.core` HIP shim for ROCm hosts without `cuda-bindings` / `cuda-core`, and RCCL-only collective wrappers (`ncclAllReduceWithBias`, `ncclAllToAllv`).
* Added unit tests for the RCCL Device API in `rccl-UnitTestsFixtures` (`DeviceApi.LsaRemoteRead`, `DeviceApi.CuMemDisabled`, `DeviceApi.WinDisabled`) covering LSA symmetric remote read and `ncclDevCommCreate` gating under `NCCL_CUMEM_ENABLE` / `NCCL_WIN_ENABLE`.

### Changed
* Compatibility with NCCL 2.28.3.
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1 change: 1 addition & 0 deletions projects/rccl/test/CMakeLists.txt
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Expand Up @@ -227,6 +227,7 @@ if(BUILD_TESTS)
VersionInfoTests.cpp
device/TestOp128.cpp
device/GinDeviceTests.cpp
DeviceApiTests.cpp
common/main_fixtures.cpp
common/EnvVars.cpp
common/ProcessIsolatedTestRunner.cpp
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