[test] disable sudo in tmate.

Author: Ailing Zhang

.github/workflows/release.yml

@@ -51,8 +51,9 @@ jobs:
           export LLVM_DIR=$LLVM_LIB_ROOT_DIR/lib/cmake/llvm
           export CXX=clang++-8
           python3 -m pip uninstall taichi -y
-          python3 -m pip install --user -r requirements_dev.txt
-          python3 -m pip install --user twine
+          python3 -m pip uninstall taichi-nightly -y
+          python3 -m pip install -r requirements_dev.txt
+          python3 -m pip install twine
           cd python
           git fetch origin master
           export TAICHI_CMAKE_ARGS=$CI_SETUP_CMAKE_ARGS
@@ -83,7 +84,12 @@ jobs:
           glewinfo
           ti diagnose
           ti changelog
-          ti test -vr2 -t2
+          nvidia-smi
+          ti test mpm_particle_list -vr2 -t2 -s -a cuda
+          ti test random -vr2 -t2 -s -a cuda
+          nvidia-smi
+          ti test -vr2 -t2 -k "not ndarray"
+          ti test -vr2 -t1 -k "ndarray"
         env:
           PYTHON: ${{ matrix.python }}
 
@@ -105,6 +111,49 @@ jobs:
           if [ $PROJECT_NAME == "taichi-nightly" ]; then export PYPI_PWD="$NIGHT_PWD" && python3 build.py upload --skip_build --testpypi --project_name $PROJECT_NAME
           elif [ $PROJECT_NAME == "taichi" ]; then export PYPI_PWD="$PROD_PWD" && python3 build.py upload --skip_build; fi
 
+  build_and_test_gpu_linux:
+    name: Build and Test (GPU)
+    runs-on: [self-hosted, cuda, vulkan, cn]
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+
+      - name: Build
+        run: |
+          git --version
+          export PATH=$LLVM_LIB_ROOT_DIR/bin:/usr/local/cuda/bin:$PATH
+          export LLVM_DIR=$LLVM_LIB_ROOT_DIR/lib/cmake/llvm
+          export CXX=clang++-8
+          export PYTHON=/usr/bin/python3
+          $PYTHON -m pip uninstall taichi -y
+          $PYTHON -m pip install -r requirements_dev.txt
+          cd python
+          git fetch origin master
+          TAICHI_CMAKE_ARGS=$CI_SETUP_CMAKE_ARGS $PYTHON build.py build
+          cd ..
+          export NUM_WHL=`ls dist/*.whl | wc -l`
+          if [ $NUM_WHL -ne 1 ]; then echo 'ERROR: created more than 1 whl.' && exit 1; fi
+          $PYTHON -m pip install dist/*.whl
+        env:
+          LLVM_LIB_ROOT_DIR: /opt/taichi-llvm-10.0.0
+          CI_SETUP_CMAKE_ARGS: -DTI_WITH_OPENGL:BOOL=ON -DTI_WITH_CC:BOOL=OFF -DTI_WITH_VULKAN:BOOL=ON
+          BUILD_NUM_THREADS: 8
+
+      - name: Test
+        run: |
+          export PYTHON=/usr/bin/python3
+          export PATH=$PATH:$HOME/.local/bin
+          export DISPLAY=:1
+          hash -r
+          glewinfo
+          $PYTHON examples/algorithm/laplace.py
+          ti diagnose
+          ti changelog
+          ti test -vr2 -t2 -k "not ndarray"
+          ti test -vr2 -t1 -k "ndarray"
+
   build_and_upload_mac:
     name: Build and Upload (macOS only)
     needs: matrix_prep

python/taichi/main.py

@@ -720,7 +720,7 @@ def _test_python(args):
             threads = 2
 
         if not os.environ.get('TI_DEVICE_MEMORY_GB'):
-            os.environ['TI_DEVICE_MEMORY_GB'] = '0.5'  # Discussion: #769
+            os.environ['TI_DEVICE_MEMORY_GB'] = '0.3'  # Discussion: #769
 
         env_threads = os.environ.get('TI_TEST_THREADS', '')
         threads = args.threads or env_threads or threads