Add smoke test for cross platform

.github/actions/install-cmake-linux/action.yml

@@ -0,0 +1,11 @@
+name: Install protobuf linux
+runs:
+  using: composite
+  steps:
+    - name: Install protobuf linux
+      shell: bash
+      run: |
+        apt-get -yq  update && apt-get install -y build-essential unzip libssl-dev
+        curl -fsSL http://cmake.org/files/v3.19/cmake-3.19.0.tar.gz | tar xz && cd cmake-3.19.0
+                          ./configure --prefix=/opt/cmake && make -j2 && make install && cd .. && rm -r cmake-3.19.0
+        echo "/opt/cmake/bin" >> $GITHUB_PATH

.github/workflows/build-android-x86_64.yml

@@ -18,6 +18,7 @@ jobs:
           ndk-version: r18b
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-android-arm32.yml

@@ -15,6 +15,7 @@ jobs:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-android-arm64.yml

@@ -15,6 +15,7 @@ jobs:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-linux-arm32.yml

@@ -15,6 +15,7 @@ jobs:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-linux-arm64.yml

@@ -15,6 +15,7 @@ jobs:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-linux-cuda-11.0.yml

@@ -25,6 +25,7 @@ jobs:
           cuda: 11.0.167
           GCC: 9
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-linux-cuda-11.2.yml

@@ -24,6 +24,7 @@ jobs:
           cuda: 11.2.1_461
           GCC: 9
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:

.github/workflows/build-deploy-linux-x86_64.yml

@@ -14,6 +14,7 @@ jobs:
           access_token: ${{ github.token }}
       - uses: actions/checkout@v2
       - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
       - name: Set up Java for publishing to GitHub Packages
         uses: actions/setup-java@v1
         with:
@@ -38,6 +39,6 @@ jobs:
           protoc --version
           sudo apt-get autoremove
           sudo apt-get clean
-          mvn  -X -Possrh  -Djavacpp.platform=linux-x86_64 -Dlibnd4j.chip=cpu -Pcpu --batch-mode deploy -DskipTests
+          mvn  -X -Possrh -pl :nd4j-tests  -Djavacpp.platform=linux-x86_64 -Dlibnd4j.chip=cpu -Pcpu --batch-mode clean test -Dtest=org.nd4j.smoketests.SmokeTest
 
 

.github/workflows/test_multiple_arch.yaml

@@ -0,0 +1,63 @@
+on:
+  push:
+jobs:
+  build_and_test_cross_platform:
+    # The host should always be linux
+    runs-on: ubuntu-16.04
+    name: Build on ${{ matrix.distro }} ${{ matrix.arch }}
+
+    # Run steps on a matrix of 2 arch/distro combinations
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: aarch64
+            distro: ubuntu16.04
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.8.0
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v2
+      - uses: ./.github/actions/download-dl4j-test-resources-linux
+      - uses: ./.github/actions/install-protobuf-linux
+      - uses: ./.github/actions/install-cmake-linux
+      - uses: uraimo/run-on-arch-action@v2.0.8
+        name: Build and test with ${{ matrix.arch }} ${{ matrix.distro }}
+        id: build
+        with:
+          arch: ${{ matrix.arch }}
+          distro: ${{ matrix.distro }}
+          # Pass some environment variables to the container
+          env: | # YAML, but pipe character is necessary
+            DEBIAN_FRONTEND: noninteractive
+            M2_HOME: /opt/maven
+
+          # The shell to run commands with in the container
+          shell: /bin/sh
+          run: |
+               echo "Running install on architecture ${{ matrix.arch }}"
+               apt-get -yq  update && apt-get install -y build-essential unzip libssl-dev
+               echo "After install on architecture ${{ matrix.arch }}"
+               export PATH="/opt/maven/bin:$PATH"
+                   echo "RUNNING ARCH ${{ matrix.arch }}"
+                            case "${{ matrix.arch }}" in
+                              armv7)
+                                  export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-armhf/jre
+                                  ;;
+                                aarch64)
+                                  export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-arm64/jre"
+                                  ;;
+                              ppc64le)
+                                    export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-ppc64el/jre
+                                  ;;
+                  esac
+                  mvn --version
+                  export PATH="/opt/cmake/bin:/opt/maven/bin:/opt/protobuf/bin:$PATH"
+                  cmake --version
+                  echo "Running build in ${pwd}"
+                  mvn -Ptestresources -Ptest-nd4j-native -Dlibnd4j.chip=cpu clean test
+
+
+
+

nd4j/nd4j-backends/nd4j-tests/src/test/java/org/nd4j/smoketests/SmokeTest.java

@@ -0,0 +1,59 @@
+/*
+ *
+ *  *  ******************************************************************************
+ *  *  *
+ *  *  *
+ *  *  * This program and the accompanying materials are made available under the
+ *  *  * terms of the Apache License, Version 2.0 which is available at
+ *  *  * https://www.apache.org/licenses/LICENSE-2.0.
+ *  *  *
+ *  *  *  See the NOTICE file distributed with this work for additional
+ *  *  *  information regarding copyright ownership.
+ *  *  * Unless required by applicable law or agreed to in writing, software
+ *  *  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  *  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *  *  * License for the specific language governing permissions and limitations
+ *  *  * under the License.
+ *  *  *
+ *  *  * SPDX-License-Identifier: Apache-2.0
+ *  *  *****************************************************************************
+ *
+ *
+ */
+
+package org.nd4j.smoketests;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.Test;
+import org.nd4j.linalg.api.buffer.DataType;
+import org.nd4j.linalg.api.ndarray.INDArray;
+import org.nd4j.linalg.factory.Nd4j;
+import org.nd4j.linalg.profiler.ProfilerConfig;
+
+@Slf4j
+public class SmokeTest {
+
+
+    @Test
+    public void testBasic() {
+        Nd4j.getEnvironment().setDebug(true);
+        Nd4j.getExecutioner().setProfilingConfig(ProfilerConfig.builder()
+                .checkForNAN(true)
+                .checkForINF(true)
+                .checkLocality(true)
+                .checkElapsedTime(true)
+                .checkWorkspaces(true)
+                .build());
+        INDArray arr = Nd4j.randn(2,2);
+        INDArray arr2 = Nd4j.randn(2,2);
+        for(DataType dataType : DataType.values()) {
+            log.info("Testing matrix multiply on data type {}",dataType);
+            INDArray casted = arr.castTo(dataType);
+            INDArray casted2 = arr2.castTo(dataType);
+            INDArray result = casted.mmul(casted2);
+            log.info("Result for data type {} was {}",dataType,result);
+
+        }
+    }
+
+}