[Plugin] Fix Custom device in eager mode, test=develop

CMakeLists.txt

@@ -336,7 +336,12 @@ endif()
 if(LINUX
    AND NOT WITH_CUSTOM_DEVICE
    AND NOT ON_INFER)
-  set(WITH_CUSTOM_DEVICE ON)
+  set(WITH_CUSTOM_DEVICE
+      ON
+      CACHE BOOL "Enable Custom Device when compiling for Linux" FORCE)
+  message(
+    "Enable Custom Device when compiling for Linux. Force WITH_CUSTOM_DEVICE=ON."
+  )
 endif()
 
 if(WIN32)

paddle/phi/core/tensor_utils.cc

@@ -53,6 +53,10 @@ void Copy(const Context& dev_ctx,
 #ifdef PADDLE_WITH_XPU
   } else if (paddle::platform::is_xpu_place(dst_place)) {
     dst_ptr = dev_ctx.Alloc(dst, src.dtype());
+#endif
+#ifdef PADDLE_WITH_CUSTOM_DEVICE
+  } else if (paddle::platform::is_custom_place(dst_place)) {
+    dst_ptr = dev_ctx.Alloc(dst, src.dtype());
 #endif
   }
 

python/paddle/fluid/tests/custom_kernel/CMakeLists.txt

@@ -1,2 +1,15 @@
-py_test(test_custom_kernel_dot SRCS test_custom_kernel_dot.py)
-py_test(test_custom_kernel_load SRCS test_custom_kernel_load.py)
+file(
+  GLOB TEST_OPS
+  RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
+  "test_*.py")
+string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
+
+set(CUSTOM_ENVS
+    PADDLE_SOURCE_DIR=${PADDLE_SOURCE_DIR}
+    PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR}
+    CUSTOM_DEVICE_ROOT=${CMAKE_BINARY_DIR}/python/paddle/fluid/tests/custom_kernel
+)
+
+foreach(TEST_OP ${TEST_OPS})
+  py_test(${TEST_OP} SRCS ${TEST_OP}.py ENVS ${CUSTOM_ENVS})
+endforeach()

python/paddle/fluid/tests/custom_kernel/custom_kernel_dot_c_setup.py

@@ -48,8 +48,8 @@ def build_extensions(self):
     os.path.join(site_packages_path, 'paddle', 'include'),
 ]
 # include path third_party
-compile_third_party_path = os.path.join(os.environ['PADDLE_ROOT'],
-                                        'build/third_party')
+compile_third_party_path = os.path.join(os.environ['PADDLE_BINARY_DIR'],
+                                        'third_party')
 paddle_custom_kernel_include += [
     os.path.join(compile_third_party_path, 'install/gflags/include'),  # gflags
     os.path.join(compile_third_party_path, 'install/glog/include'),  # glog

python/paddle/fluid/tests/custom_kernel/custom_kernel_dot_setup.py

@@ -50,8 +50,8 @@ def build_extensions(self):
         site_packages_path))
 
 # include path third_party
-compile_third_party_path = os.path.join(os.environ['PADDLE_ROOT'],
-                                        'build/third_party')
+compile_third_party_path = os.path.join(os.environ['PADDLE_BINARY_DIR'],
+                                        'third_party')
 paddle_custom_kernel_include += [
     os.path.join(compile_third_party_path, 'install/gflags/include'),  # gflags
     os.path.join(compile_third_party_path, 'install/glog/include'),  # glog

python/paddle/fluid/tests/custom_kernel/test_custom_kernel_dot.py

@@ -31,10 +31,6 @@ def setUp(self):
             cur_dir, sys.executable)
         os.system(cmd)
 
-        # set environment for loading and registering compiled custom kernels
-        # only valid in current process
-        os.environ['CUSTOM_DEVICE_ROOT'] = cur_dir
-
     def test_custom_kernel_dot_run(self):
         # test dot run
         x_data = np.random.uniform(1, 5, [2, 10]).astype(np.int8)
@@ -52,9 +48,6 @@ def test_custom_kernel_dot_run(self):
             "custom kernel dot out: {},\n numpy dot out: {}".format(
                 out.numpy(), result))
 
-    def tearDown(self):
-        del os.environ['CUSTOM_DEVICE_ROOT']
-
 
 class TestCustomKernelDotC(unittest.TestCase):
 
@@ -67,10 +60,6 @@ def setUp(self):
             cur_dir, sys.executable)
         os.system(cmd)
 
-        # set environment for loading and registering compiled custom kernels
-        # only valid in current process
-        os.environ['CUSTOM_DEVICE_ROOT'] = cur_dir
-
     def test_custom_kernel_dot_run(self):
         # test dot run
         x_data = np.random.uniform(1, 5, [2, 10]).astype(np.int8)
@@ -88,9 +77,6 @@ def test_custom_kernel_dot_run(self):
             "custom kernel dot out: {},\n numpy dot out: {}".format(
                 out.numpy(), result))
 
-    def tearDown(self):
-        del os.environ['CUSTOM_DEVICE_ROOT']
-
 
 if __name__ == '__main__':
     if os.name == 'nt' or sys.platform.startswith('darwin'):

python/paddle/fluid/tests/custom_runtime/CMakeLists.txt

@@ -1,4 +1,17 @@
 if(WITH_CUSTOM_DEVICE)
-  py_test(test_custom_cpu_plugin SRCS test_custom_cpu_plugin.py)
-  set_tests_properties(test_custom_cpu_plugin PROPERTIES TIMEOUT 120)
+  file(
+    GLOB TEST_OPS
+    RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}"
+    "test_*.py")
+  string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
+
+  set(CUSTOM_ENVS
+      PADDLE_SOURCE_DIR=${PADDLE_SOURCE_DIR}
+      PADDLE_BINARY_DIR=${PADDLE_BINARY_DIR}
+      CUSTOM_DEVICE_ROOT=${CMAKE_BINARY_DIR}/python/paddle/fluid/tests/custom_runtime
+  )
+
+  foreach(TEST_OP ${TEST_OPS})
+    py_test(${TEST_OP} SRCS ${TEST_OP}.py ENVS ${CUSTOM_ENVS})
+  endforeach()
 endif()

python/paddle/fluid/tests/custom_runtime/test_custom_cpu_plugin.py

@@ -120,6 +120,22 @@ def forward(self, inputs, label=None):
 
         self.assertTrue(pred.place.is_custom_place())
 
+    def test_eager_backward_api(self):
+        x = np.random.random([2, 2]).astype("float32")
+        y = np.random.random([2, 2]).astype("float32")
+        grad = np.ones([2, 2]).astype("float32")
+
+        import paddle
+        paddle.set_device('custom_cpu')
+        x_tensor = paddle.to_tensor(x, stop_gradient=False)
+        y_tensor = paddle.to_tensor(y)
+        z_tensor = paddle.add(x_tensor, y_tensor)
+
+        grad_tensor = paddle.to_tensor(grad)
+        paddle.autograd.backward([z_tensor], [grad_tensor], False)
+
+        self.assertTrue(np.allclose(grad, x_tensor.grad.numpy()))
+
     def tearDown(self):
         del os.environ['CUSTOM_DEVICE_ROOT']