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/*
* Copyright (c) 2021-2022 Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
/****************************************************************************
* Includes
****************************************************************************/
// Inference process
#include "inference_process.hpp"
// System includes
#include <stdio.h>
#include <vector>
// Model data
#include "input.h"
#include "model.h"
#include "output.h"
#ifdef ETHOSU
#include <ethosu_driver.h>
#include <ethosu_monitor.hpp>
#include <pmu_ethosu.h>
#endif
using namespace std;
using namespace InferenceProcess;
/****************************************************************************
* InferenceJob
****************************************************************************/
__attribute__((section(".bss.tensor_arena"), aligned(16))) uint8_t TFLuTensorArena[tensorArenaSize];
class InferenceProcess inferenceProcess(TFLuTensorArena, tensorArenaSize);
uint8_t outputData[sizeof(expectedOutputData)] __attribute__((aligned(16), section("output_data_sec")));
#if !defined(ETHOSU_PMU_EVENT_0) || ETHOSU_PMU_EVENT_0 < 0 || ETHOSU_PMU_EVENT_0 >= ETHOSU_PMU_SENTINEL
#undef ETHOSU_PMU_EVENT_0
#define ETHOSU_PMU_EVENT_0 ETHOSU_PMU_CYCLE
#endif
#if !defined(ETHOSU_PMU_EVENT_1) || ETHOSU_PMU_EVENT_1 < 0 || ETHOSU_PMU_EVENT_1 >= ETHOSU_PMU_SENTINEL
#undef ETHOSU_PMU_EVENT_1
#define ETHOSU_PMU_EVENT_1 ETHOSU_PMU_NPU_ACTIVE
#endif
#if !defined(ETHOSU_PMU_EVENT_2) || ETHOSU_PMU_EVENT_2 < 0 || ETHOSU_PMU_EVENT_2 >= ETHOSU_PMU_SENTINEL
#undef ETHOSU_PMU_EVENT_2
#define ETHOSU_PMU_EVENT_2 ETHOSU_PMU_NO_EVENT
#endif
#if !defined(ETHOSU_PMU_EVENT_3) || ETHOSU_PMU_EVENT_3 < 0 || ETHOSU_PMU_EVENT_3 >= ETHOSU_PMU_SENTINEL
#undef ETHOSU_PMU_EVENT_3
#define ETHOSU_PMU_EVENT_3 ETHOSU_PMU_NO_EVENT
#endif
#ifdef ETHOSU
namespace {
std::vector<ethosu_pmu_event_type> pmuEventConfig{ethosu_pmu_event_type(ETHOSU_PMU_EVENT_0),
ethosu_pmu_event_type(ETHOSU_PMU_EVENT_1),
ethosu_pmu_event_type(ETHOSU_PMU_EVENT_2),
ethosu_pmu_event_type(ETHOSU_PMU_EVENT_3)};
const uint32_t delay = 250ul;
struct ethosu_driver *ethosuDrv;
EthosUMonitor ethosuMonitor(EthosUMonitor::Backend::EVENT_RECORDER);
} // namespace
extern "C" {
void SysTick_Handler(void) {
// Disable systick, preventing new systick interrupt to fire while we call the Ethos-U monitor
SysTick->CTRL = 0;
ethosuMonitor.monitorSample(ethosuDrv);
// Restart the systick timer
SysTick_Config(delay);
}
void ethosu_inference_begin(struct ethosu_driver *drv, void *) {
ethosuDrv = drv;
ethosuMonitor.configure(drv, pmuEventConfig);
SysTick_Config(delay);
}
void ethosu_inference_end(struct ethosu_driver *drv, void *) {
// Disable polling
SysTick->CTRL = 0;
ethosuDrv = 0;
ethosuMonitor.monitorSample(drv);
ethosuMonitor.release(drv);
}
}
#endif
int runInference() {
// Create job
InferenceJob job(string(modelName),
DataPtr(networkModelData, sizeof(networkModelData)),
{DataPtr(inputData, sizeof(inputData))},
{DataPtr(outputData, sizeof(outputData))},
{DataPtr(expectedOutputData, sizeof(expectedOutputData))},
512);
// Run job
bool failed = inferenceProcess.runJob(job);
printf("Status of executed job: ");
printf(failed ? "Failed\n" : "Success\n");
printf("Performance monitor merge count %zu\n", ethosuMonitor.getMergeCount());
return failed;
}
int main() {
#ifdef ETHOSU
EventRecorderInitialize(EventRecordAll, 1);
#endif
int ret = runInference();
return ret;
}
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