115ca425e4
The new feature is guarded by enable_quantization flag. PiperOrigin-RevId: 315139125 Change-Id: I944008fcb914e31bd9e54634f85c6b2e0be0b8fe
81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_H_
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#define TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_H_
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#ifdef SWIG
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#define TFL_CAPI_EXPORT
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#else
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#if defined(_WIN32)
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#ifdef TFL_COMPILE_LIBRARY
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#define TFL_CAPI_EXPORT __declspec(dllexport)
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#else
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#define TFL_CAPI_EXPORT __declspec(dllimport)
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#endif // TFL_COMPILE_LIBRARY
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#else
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#define TFL_CAPI_EXPORT __attribute__((visibility("default")))
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#endif // _WIN32
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#endif // SWIG
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#ifdef __cplusplus
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extern "C" {
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#else
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// For "C" 'bool' is not built-in type.
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#include <stdbool.h>
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#endif // __cplusplus
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typedef struct TfLiteDelegate TfLiteDelegate;
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typedef enum {
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// waitUntilCompleted
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TFLGpuDelegateWaitTypePassive,
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// Minimize latency. It uses active spinning instead of mutex and consumes
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// additional CPU resources.
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TFLGpuDelegateWaitTypeActive,
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// Useful when the output is used with GPU pipeline then or if external
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// command encoder is set.
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TFLGpuDelegateWaitTypeDoNotWait,
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// Tries to avoid GPU sleep mode.
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TFLGpuDelegateWaitTypeAggressive,
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} TFLGpuDelegateWaitType;
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// Creates a new delegate instance that need to be destroyed with
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// DeleteFlowDelegate when delegate is no longer used by tflite.
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typedef struct {
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// Allows to quantify tensors, downcast values, process in float16 etc.
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bool allow_precision_loss;
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TFLGpuDelegateWaitType wait_type;
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// Allows execution of integer quantized models
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bool enable_quantization;
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} TFLGpuDelegateOptions;
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// Creates a new delegate instance that need to be destroyed with
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// `TFLDeleteTfLiteGpuDelegate` when delegate is no longer used by TFLite.
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// When `options` is set to `nullptr`, the following default values are used:
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// .precision_loss_allowed = false,
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// .wait_type = kPassive,
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TFL_CAPI_EXPORT extern TfLiteDelegate* TFLGpuDelegateCreate(
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const TFLGpuDelegateOptions* options);
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// Destroys a delegate created with `TFLGpuDelegateCreate` call.
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TFL_CAPI_EXPORT extern void TFLGpuDelegateDelete(TfLiteDelegate* delegate);
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // TENSORFLOW_LITE_DELEGATES_GPU_METAL_DELEGATE_H_
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