fix cuda compile error

paddle/platform/cublas.h

@@ -3,7 +3,6 @@
 
 namespace paddle {
 namespace dyload {
-namespace dynload {
 
 std::once_flag cublas_dso_flag;
 void *cublas_dso_handle = nullptr;
@@ -67,8 +66,6 @@ CUBLAS_BLAS_ROUTINE_EACH(DYNAMIC_LOAD_CUBLAS_V2_WRAP)
 #undef DYNAMIC_LOAD_CUBLAS_V2_WRAP
 #undef CUBLAS_BLAS_ROUTINE_EACH
 
-} /* namespace dynload */
-
 // clang-format on
 #ifndef PADDLE_TYPE_DOUBLE
 #define CUBLAS_GEAM dynload::cublasSgeam

paddle/platform/cuda.h

@@ -33,6 +33,15 @@ int GetDeviceCount(void) {
   throw_on_error(cudaGetDeviceCount(&count), "cudaGetDeviceCount failed");
   return count;
 }
+int GetCurrentDeviceId(void) {
+  int device_id;
+  throw_on_error(cudaGetDevice(&device_id), "cudaGetDevice failed");
+  return device_id;
+}
+
+void SetDeviceId(int device_id) {
+  throw_on_error(cudaSetDevice(device_id), "cudaSetDevice failed");
+}
 
 }  // namespace platform
 }  // namespace paddle

paddle/platform/curand.h

@@ -3,6 +3,8 @@
 
 namespace paddle {
 namespace dyload {
+std::once_flag curand_dso_flag;
+void *curand_dso_handle = nullptr;
 #ifdef PADDLE_USE_DSO
 #define DYNAMIC_LOAD_CURAND_WRAP(__name)                                       \
   struct DynLoad__##__name {                                                   \
@@ -31,7 +33,8 @@ namespace dyload {
   __macro(curandSetStream)                   \
   __macro(curandSetPseudoRandomGeneratorSeed)\
   __macro(curandGenerateUniform)             \
-  __macro(curandGenerateUniformDouble)
+  __macro(curandGenerateUniformDouble)       \
+  __macro(curandDestroyGenerator)
 // clang-format on
 
 CURAND_RAND_ROUTINE_EACH(DYNAMIC_LOAD_CURAND_WRAP)

paddle/platform/device_context.h

@@ -83,11 +83,12 @@ class CudaDeviceContext : public DeviceContext {
   cublasHandle_t cublas_handle() {
     if (!blas_handle_) {
       DeviceGuard guard(gpu_place_);
-      PADDLE_ENFORCE(cublasCreate(&blas_handle_) == CUBLAS_STATUS_SUCCESS,
-                     "cublasCreate failed");
       PADDLE_ENFORCE(
-          cublasSetStream(blas_handle_, stream_) == CUBLAS_STATUS_SUCCESS,
-          "cublasSetStream failed");
+          paddle::dyload::cublasCreate(&blas_handle_) == CUBLAS_STATUS_SUCCESS,
+          "cublasCreate failed");
+      PADDLE_ENFORCE(paddle::dyload::cublasSetStream(blas_handle_, stream_) ==
+                         CUBLAS_STATUS_SUCCESS,
+                     "cublasSetStream failed");
     }
     return blas_handle_;
   }
@@ -95,11 +96,12 @@ class CudaDeviceContext : public DeviceContext {
   cudnnHandle_t cudnn_handle() {
     if (!dnn_handle_) {
       DeviceGuard guard(gpu_place_);
-      PADDLE_ENFORCE(cudnnCreate(&dnn_handle_) == CUDNN_STATUS_SUCCESS,
-                     "cudnnCreate failed");
       PADDLE_ENFORCE(
-          cudnnSetStream(dnn_handle_, stream_) == CUDNN_STATUS_SUCCESS,
-          "cudnnSetStream failed");
+          paddle::dyload::cudnnCreate(&dnn_handle_) == CUDNN_STATUS_SUCCESS,
+          "cudnnCreate failed");
+      PADDLE_ENFORCE(paddle::dyload::cudnnSetStream(dnn_handle_, stream_) ==
+                         CUDNN_STATUS_SUCCESS,
+                     "cudnnSetStream failed");
     }
     return dnn_handle_;
   }
@@ -107,17 +109,17 @@ class CudaDeviceContext : public DeviceContext {
   curandGenerator_t curand_generator() {
     if (!rand_generator_) {
       DeviceGuard guard(gpu_place_);
+      PADDLE_ENFORCE(paddle::dyload::curandCreateGenerator(
+                         &rand_generator_, CURAND_RNG_PSEUDO_DEFAULT) ==
+                         CURAND_STATUS_SUCCESS,
+                     "curandCreateGenerator failed");
       PADDLE_ENFORCE(
-          curandCreateGenerator(&rand_generator_, CURAND_RNG_PSEUDO_DEFAULT) ==
-              CURAND_STATUS_SUCCESS,
-          "curandCreateGenerator failed");
-      PADDLE_ENFORCE(
-          curandSetPseudoRandomGeneratorSeed(rand_generator_, random_seed_) ==
-              CURAND_STATUS_SUCCESS,
+          paddle::dyload::curandSetPseudoRandomGeneratorSeed(
+              rand_generator_, random_seed_) == CURAND_STATUS_SUCCESS,
           "curandSetPseudoRandomGeneratorSeed failed");
-      PADDLE_ENFORCE(
-          curandSetStream(rand_generator_, stream_) == CURAND_STATUS_SUCCESS,
-          "curandSetStream failed");
+      PADDLE_ENFORCE(paddle::dyload::curandSetStream(
+                         rand_generator_, stream_) == CURAND_STATUS_SUCCESS,
+                     "curandSetStream failed");
     }
     return rand_generator_;
   }
@@ -125,19 +127,21 @@ class CudaDeviceContext : public DeviceContext {
   ~CudaDeviceContext() {
     Wait();
     if (blas_handle_) {
-      PADDLE_ENFORCE(cublasDestroy(blas_handle_) == CUBLAS_STATUS_SUCCESS,
-                     "cublasDestroy failed");
+      PADDLE_ENFORCE(
+          paddle::dyload::cublasDestroy(blas_handle_) == CUBLAS_STATUS_SUCCESS,
+          "cublasDestroy failed");
     }
 
     if (dnn_handle_) {
-      PADDLE_ENFORCE(cudnnDestroy(dnn_handle_) == CUDNN_STATUS_SUCCESS,
-                     "cudnnDestroy failed");
+      PADDLE_ENFORCE(
+          paddle::dyload::cudnnDestroy(dnn_handle_) == CUDNN_STATUS_SUCCESS,
+          "cudnnDestroy failed");
     }
 
     if (rand_generator_) {
-      PADDLE_ENFORCE(
-          curandDestroyGenerator(rand_generator_) == CURAND_STATUS_SUCCESS,
-          "curandDestroyGenerator failed");
+      PADDLE_ENFORCE(paddle::dyload::curandDestroyGenerator(rand_generator_) ==
+                         CURAND_STATUS_SUCCESS,
+                     "curandDestroyGenerator failed");
     }
 
     delete eigen_stream_;

paddle/platform/dynamic_loader.cc

@@ -12,9 +12,9 @@ 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. */
 
+#include "dynamic_loader.h"
 #include <gflags/gflags.h>
-#include "DynamicLoader.h"
-#include "Logging.h"
+#include <glog/logging.h>
 
 DEFINE_string(cudnn_dir, "",
               "Specify path for loading libcudnn.so. For instance, "