56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/**
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* Copyright 2017 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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#include "run_tflite.h"
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#include <jni.h>
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#include <string>
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#include <iomanip>
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#include <sstream>
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#include <fcntl.h>
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#include <android/log.h>
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#include "tensorflow/lite/nnapi/nnapi_implementation.h"
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#define LOG_TAG "NN_BENCHMARK"
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// This method loads the NNAPI SL from the given path.
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// Is called by a synchronized method in NNTestBase that will cache the
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// result. We expect this to be called only once per JVM and the handle
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// to be released when the JVM is shut down.
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extern "C" JNIEXPORT jlong JNICALL
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Java_com_android_nn_benchmark_core_sl_SupportLibraryDriverHandler_loadNnApiSlHandle(
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JNIEnv *env, jobject /* clazz */, jstring _nnapiSlDriverPath) {
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if (_nnapiSlDriverPath != NULL) {
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const char *nnapiSlDriverPath =
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env->GetStringUTFChars(_nnapiSlDriverPath, NULL);
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std::unique_ptr<const tflite::nnapi::NnApiSupportLibrary> tmp =
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tflite::nnapi::loadNnApiSupportLibrary(nnapiSlDriverPath);
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if (!tmp) {
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__android_log_print(ANDROID_LOG_ERROR, LOG_TAG,
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"Failed to load NNAPI SL driver from '%s'",
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nnapiSlDriverPath);
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return false;
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}
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__android_log_print(ANDROID_LOG_INFO, LOG_TAG, "Loaded NNAPI SL");
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return (jlong)(uintptr_t)tmp.release();
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}
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return 0L;
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}
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