Merge pull request #12502 from hppritcha/remove_ugni

btl/ugni: remove ugni btl and related doc notes

Author: bosilca

VERSION

@@ -118,4 +118,3 @@ libmca_opal_common_cuda_so_version=0:0:0
 libmca_opal_common_ofi_so_version=0:0:0
 libmca_opal_common_sm_so_version=0:0:0
 libmca_opal_common_ucx_so_version=0:0:0
-libmca_opal_common_ugni_so_version=0:0:0

config/opal_check_ugni.m4

@@ -172,7 +172,6 @@ AC_SUBST(libopen_pal_so_version)
 AC_SUBST(libmca_opal_common_ofi_so_version)
 AC_SUBST(libmca_opal_common_cuda_so_version)
 AC_SUBST(libmca_opal_common_sm_so_version)
-AC_SUBST(libmca_opal_common_ugni_so_version)
 AC_SUBST(libmca_ompi_common_ompio_so_version)
 AC_SUBST(libmca_ompi_common_monitoring_so_version)
 AC_SUBST(libmca_opal_common_ucx_so_version)

configure.ac

@@ -41,8 +41,7 @@ can be used with ``configure``:
   compiler/linker search paths.
 
   Libfabric is the support library for OpenFabrics Interfaces-based
-  network adapters, such as Cisco usNIC, Intel True Scale PSM, Cray
-  uGNI, etc.
+  network adapters, such as Cisco usNIC, Intel True Scale PSM, etc.
 
 * ``--with-libfabric-libdir=DIR``:
   Look in directory for the libfabric libraries.  By default, Open MPI

docs/installing-open-mpi/configure-cli-options/networking.rst

@@ -156,7 +156,6 @@ Other MPI features
      #. ``sm``
      #. ``smcuda``
      #. ``tcp``
-     #. ``ugni``
      #. ``usnic``
 
   #. ``ucx``

docs/release-notes/mpi.rst

@@ -17,7 +17,6 @@ There are multiple MPI network models available in this release:
   * ``tcp``: TCP
   * ``smcuda``: CUDA-enabled shared memory
   * ``usnic``: Cisco usNIC
-  * ``ugni``: uGNI (Cray Gemini, Aries)
 
 * ``cm`` supports a smaller number of networks (and they cannot be
   used together), but may provide better overall MPI performance by
@@ -40,7 +39,6 @@ There are multiple MPI network models available in this release:
   UCX currently supports:
 
   * OpenFabrics Verbs (including InfiniBand and RoCE)
-  * Cray's uGNI
   * TCP
   * Shared memory
   * NVIDIA CUDA drivers
@@ -50,7 +48,7 @@ time, Open MPI will select a default transport as follows:
 
 #. If InfiniBand devices are available, use the UCX PML.
 #. If PSM, PSM2, or other tag-matching-supporting Libfabric
-   transport devices are available (e.g., Cray uGNI), use the ``cm``
+   transport devices are available, use the ``cm``
    PML and a single appropriate corresponding ``mtl`` module.
 #. Otherwise, use the ``ob1`` PML and one or more appropriate ``btl``
    modules.
@@ -104,8 +102,6 @@ Miscellaneous network notes
   Although the usNIC is accessed via the OpenFabrics Libfabric API
   stack, this BTL is specific to Cisco usNIC devices.
 
-* uGNI is a Cray library for communicating over the Gemini and Aries
-  interconnects.
 
 * Linux ``knem`` support is used when the ``sm`` (shared memory) BTL is
   compiled with knem support (see the ``--with-knem`` configure option)

docs/release-notes/networks.rst

@@ -28,7 +28,7 @@ Open MPI offers two flavors of CUDA support:
       # Check if ucx was built with CUDA support
       shell$ ucx_info -v
 
-      # configured with: --build=powerpc64le-redhat-linux-gnu --host=powerpc64le-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-optimizations --disable-logging --disable-debug --disable-assertions --enable-mt --disable-params-check --enable-cma --without-cuda --without-gdrcopy --with-verbs --with-cm --with-knem --with-rdmacm --without-rocm --without-xpmem --without-ugni --without-java
+      # configured with: --build=powerpc64le-redhat-linux-gnu --host=powerpc64le-redhat-linux-gnu --program-prefix= --disable-dependency-tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man --infodir=/usr/share/info --disable-optimizations --disable-logging --disable-debug --disable-assertions --enable-mt --disable-params-check --enable-cma --without-cuda --without-gdrcopy --with-verbs --with-cm --with-knem --with-rdmacm --without-rocm --without-xpmem --without-java
 
    If you need to build ucx yourself to include CUDA support, please
    see the UCX documentation for `building ucx with Open MPI: <https://openucx.readthedocs.io/en/master/running.html#openmpi-with-ucx>`_

docs/tuning-apps/networking/cuda.rst

@@ -16,7 +16,6 @@ including (but not limited to):
 
 * AWS EFA
 * Cisco usNIC
-* Cray uGNI
 * Cornelius Networks Omni-Path
 * HPE Slingshot 11
 

docs/tuning-apps/networking/ofi.rst

@@ -246,7 +246,7 @@ static int ompi_osc_rdma_component_register (void)
                                             MCA_BASE_VAR_SCOPE_GROUP, &mca_osc_rdma_component.locking_mode);
     OBJ_RELEASE(new_enum);
 
-    ompi_osc_rdma_full_connectivity_btls = "ugni,uct,ofi";
+    ompi_osc_rdma_full_connectivity_btls = "uct,ofi";
     opal_asprintf(&description_str, "Comma-delimited list of BTL component names to allow without verifying "
              "connectivity. Do not add a BTL to to this list unless it can reach all "
              "processes in any communicator used with an MPI window (default: %s)",

ompi/mca/osc/rdma/osc_rdma_component.c

@@ -5,7 +5,7 @@ enable RDMA with multiple vendor hardware through one interface. Most
 of the operations are managed by upper layer (osc/rdma). This BTL is
 mostly doing the low level work.
 
-Tested providers: sockets,psm2,ugni
+Tested providers: sockets,psm2
 
 ## Component