Optimize memory when exporting.

Author: cymbalrush

backends/apple/coreml/runtime/delegate/ETCoreMLModelManager.mm

@@ -395,7 +395,7 @@ - (nullable ETCoreMLAsset *)assetWithIdentifier:(NSString *)identifier {
     using namespace inmemoryfs;
 
     auto buffer = MemoryBuffer::make_unowned(const_cast<void *>(data.bytes), data.length);
-    std::unique_ptr<InMemoryFileSystem> inMemoryFS = inmemoryfs::make(buffer);
+    std::unique_ptr<InMemoryFileSystem> inMemoryFS = inmemoryfs::make_from_buffer(std::move(buffer));
     if (!inMemoryFS) {
         ETCoreMLLogErrorAndSetNSError(error,
                                       ETCoreMLErrorCorruptedModel,

backends/apple/coreml/runtime/delegate/backend_delegate.mm

@@ -63,7 +63,7 @@ MLMultiArrayDataType get_data_type(MultiArray::DataType dataType) {
             return MLMultiArrayDataTypeFloat32;
         }
         case MultiArray::DataType::Double: {
-            return MLMultiArrayDataTypeFloat64;
+            return MLMultiArrayDataTypeDouble;
         }
         case MultiArray::DataType::Int: {
             return MLMultiArrayDataTypeInt32;

backends/apple/coreml/runtime/delegate/coreml_backend_delegate.mm

@@ -149,7 +149,7 @@ ModelLoggingOptions get_logging_options(BackendExecutionContext& context) {
     ET_CHECK_OR_RETURN_ERROR(handle != nullptr,
                              InvalidProgram,
                              "%s: Failed to init the model.", ETCoreMLStrings.delegateIdentifier.UTF8String);
-    
+    processed->Free();
     return handle;
 }