add mem_optim for gpu server

python/paddle_serving_server_gpu/__init__.py

@@ -43,6 +43,8 @@ def serve_args():
     parser.add_argument("--gpu_ids", type=str, default="", help="gpu ids")
     parser.add_argument(
         "--name", type=str, default="None", help="Default service name")
+    parser.add_argument(
+        "--mem_optim", type=bool, default=False, help="Memory optimize")
     return parser.parse_args()
 
 

python/paddle_serving_server_gpu/serve.py

@@ -33,6 +33,7 @@ def start_gpu_card_model(index, gpuid, args):  # pylint: disable=doc-string-miss
         port = args.port + index
     thread_num = args.thread
     model = args.model
+    mem_optim = args.mem_optim
     workdir = "{}_{}".format(args.workdir, gpuid)
 
     if model == "":
@@ -53,6 +54,7 @@ def start_gpu_card_model(index, gpuid, args):  # pylint: disable=doc-string-miss
     server = serving.Server()
     server.set_op_sequence(op_seq_maker.get_op_sequence())
     server.set_num_threads(thread_num)
+    server.set_memory_optimize(mem_optim)
 
     server.load_model_config(model)
     server.prepare_server(workdir=workdir, port=port, device=device)