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[lite] Update the label_image example to use StatefulNnApiDelegate.

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This changes the behaviour when the '--accelerated' flag is enabled to
use acceleration via StatefulNnApiDelegate, which is not deprecated,
rather than via NnApiDelegate, which is deprecated.
It also sets the allow_fp16 field in the StatementNnApiDelegate::options
to the appropriate value based on the setting of the --allow_fp16 flag.

PiperOrigin-RevId: 333695351
Change-Id: I3917ff8f79f73323635bb79f4af22df96f4ec655
This commit is contained in:
Fergus Henderson 2020-09-25 02:32:06 -07:00 committed by TensorFlower Gardener
parent ecd0749667
commit f870dba9d4
2 changed files with 5 additions and 2 deletions
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4
tensorflow/lite/examples/label_image/label_image.cc
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@ -86,7 +86,9 @@ TfLiteDelegatePtrMap GetDelegates(Settings* s) {
} }
if (s->accel) { if (s->accel) {
auto delegate = evaluation::CreateNNAPIDelegate(); StatefulNnApiDelegate::Options options;
options.allow_fp16 = s->allow_fp16;
auto delegate = evaluation::CreateNNAPIDelegate(options);
if (!delegate) { if (!delegate) {
LOG(INFO) << "NNAPI acceleration is unsupported on this platform.\n"; LOG(INFO) << "NNAPI acceleration is unsupported on this platform.\n";
} else { } else {

3
tensorflow/lite/tools/evaluation/utils.h
View File

@ -25,11 +25,12 @@ limitations under the License.
#define TFLITE_SUPPORTS_GPU_DELEGATE 1 #define TFLITE_SUPPORTS_GPU_DELEGATE 1
#endif #endif
#include "tensorflow/lite/delegates/nnapi/nnapi_delegate.h"
#if TFLITE_SUPPORTS_GPU_DELEGATE #if TFLITE_SUPPORTS_GPU_DELEGATE
#include "tensorflow/lite/delegates/gpu/delegate.h" #include "tensorflow/lite/delegates/gpu/delegate.h"
#endif #endif
#include "tensorflow/lite/delegates/nnapi/nnapi_delegate.h"
#if defined(__ANDROID__) && (defined(__arm__) || defined(__aarch64__)) #if defined(__ANDROID__) && (defined(__arm__) || defined(__aarch64__))
#include "tensorflow/lite/delegates/hexagon/hexagon_delegate.h" #include "tensorflow/lite/delegates/hexagon/hexagon_delegate.h"
#endif #endif