option api changes

src/option.cpp

@@ -0,0 +1,49 @@
+// Tencent is pleased to support the open source community by making ncnn available.
+//
+// Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
+//
+// Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// https://opensource.org/licenses/BSD-3-Clause
+//
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, 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 "option.h"
+#include "cpu.h"
+
+namespace ncnn {
+
+Option::Option()
+{
+    lightmode = true;
+    num_threads = get_cpu_count();
+    blob_allocator = 0;
+    workspace_allocator = 0;
+
+#if NCNN_VULKAN
+    blob_vkallocator = 0;
+    workspace_vkallocator = 0;
+    staging_vkallocator = 0;
+#endif // NCNN_VULKAN
+
+    use_winograd_convolution = true;
+    use_sgemm_convolution = true;
+    use_int8_inference = true;
+    use_vulkan_compute = false;// TODO enable me
+
+    use_fp16_packed = false;// TODO enable me
+    use_fp16_storage = true;
+    use_fp16_arithmetic = false;
+    use_int8_storage = true;
+    use_int8_arithmetic = false;
+
+    // sanitize
+    if (num_threads <= 0)
+        num_threads = 1;
+}
+
+} // namespace ncnn