move horovod installation to multi-gpu

.github/workflows/cpu-horovod.yml

@@ -37,11 +37,6 @@ jobs:
       - name: Install tox-conda
         run: |
           python -m pip install tox-conda
-      - name: Prepare distributing-embeddings installation
-        uses: actions/checkout@v3
-        with:
-          repository: NVIDIA-Merlin/distributed-embeddings
-          path: /tmp/distributed-embeddings
       - name: Run tests
         run: |
           ref_type=${{ github.ref_type }}

examples/usecases/multi-gpu/install_distributed_embeddings.sh

@@ -2,10 +2,11 @@
 
 set -e
 
+INSTALL_DIR=$1
+
 WORK_DIR=$(pwd)
-ROOT_DIR="/tmp"
 
-cd $ROOT_DIR
+cd $INSTALL_DIR
 
 if [ ! -d "distributed-embeddings" ]; then
   git clone https://github.com/NVIDIA-Merlin/distributed-embeddings.git

tox.ini

@@ -28,9 +28,8 @@ commands =
 ; Runs in: Github Actions
 ; Runs GPU-based tests.
 allowlist_externals =
-    sh
+    bash
     horovodrun
-    examples/usecases/multi-gpu/install_distributed_embeddings.sh
 deps =
     -rrequirements/test.txt
 passenv =
@@ -43,8 +42,11 @@ commands =
     python -m pip install --upgrade git+https://github.com/NVIDIA-Merlin/core.git@{posargs:main}
     python -m pip install --upgrade git+https://github.com/NVIDIA-Merlin/dataloader.git@{posargs:main}
     python -m pip install --upgrade git+https://github.com/NVIDIA-Merlin/nvtabular.git@{posargs:main}
+    # Reinstall Horovod using `pip install --no-cache-dir` to build with the new version.
+    python -m pip install horovod --no-cache-dir
+    horovodrun --check-build
     # Install distributed embeddings and check build
-    sh examples/usecases/multi-gpu/install_distributed_embeddings.sh
+    bash examples/usecases/multi-gpu/install_distributed_embeddings.sh {envtmpdir}
     # Run multi-gpu tests marked with `horovod` marker
     horovodrun -np 2 sh examples/usecases/multi-gpu/hvd_wrapper.sh pytest -m horovod -rxs tests/unit
 
@@ -60,8 +62,6 @@ commands =
     # Install horovod and check build
     {envdir}/env/bin/python -m pip install horovod --no-cache-dir
     {envdir}/env/bin/horovodrun --check-build
-    # Install distributed embeddings and check build
-    sh examples/usecases/multi-gpu/install_distributed_embeddings.sh
     # Install Merlin packages
     {envdir}/env/bin/python -m pip install --upgrade git+https://github.com/NVIDIA-Merlin/core.git
     {envdir}/env/bin/python -m pip install --upgrade git+https://github.com/NVIDIA-Merlin/dataloader.git