[CI] Upload build artifacts

Author: Weiming Zhao

.github/actions/build/build_in_docker.sh

@@ -50,15 +50,13 @@ if [ -z "$DOCKER_ID" ]; then
     --disabled-password --home /home/$USER $USER"
 fi
 
+extra_cmd="true" # dummy command
+
 if [[ "$VARIANT" =~ graphcore ]]; then
   extra_cmd="source /opt/poplar_sdk-ubuntu_18_04-1.4.0+365-665f971c8f/poplar-ubuntu_18_04-1.4.0+71819-c5c0c8ebab/enable.sh \
          && source /opt/poplar_sdk-ubuntu_18_04-1.4.0+365-665f971c8f/popart-ubuntu_18_04-1.4.0+5352-e86081acc9/enable.sh"
-
-  docker exec --user $USER $CONTAINER_NAME bash -c \
-    "$extra_cmd && cd /host && rm -fr build && mkdir -p build && cd build && \
-    cmake -G Ninja $cmake_flags ../halo && ninja && $check_cmds"
-else
-  docker exec --user $USER $CONTAINER_NAME bash -c \
-    "cd /host && rm -fr build && mkdir -p build && cd build && \
-     cmake -G Ninja $cmake_flags ../halo && ninja && $check_cmds && ninja package"
 fi
+
+docker exec --user $USER $CONTAINER_NAME bash -c \
+  "$extra_cmd && cd /host && rm -fr build && mkdir -p build && cd build && \
+  cmake -G Ninja $cmake_flags ../halo && ninja && $check_cmds && ninja package"

.github/workflows/ipu_sim.yaml

@@ -22,3 +22,10 @@ jobs:
         uses: ./halo/.github/actions/build
         with:
           docker_image_variant: graphcore1.4.0-x86_64
+
+      - name: Upload
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifact
+          path: ${{runner.workspace}}/heterogeneity-aware-lowering-and-optimization/build/*.bz2
+          if-no-files-found: error

.github/workflows/main.yaml

@@ -7,7 +7,7 @@ on:
   pull_request:
     branches-ignore:
       - "web"
-
+  release:
 jobs:
   check:
     runs-on: ubuntu-latest
@@ -44,3 +44,9 @@ jobs:
         uses: ./halo/.github/actions/build
         with:
           docker_image_variant: cuda10.0-cudnn7
+      - name: Upload
+        uses: actions/upload-artifact@v2
+        with:
+          name: artifact
+          path: ${{runner.workspace}}/heterogeneity-aware-lowering-and-optimization/build/*.bz2
+          if-no-files-found: error