AI-on-the-edge-device/code/components/esp-nn/tests/src/relu_test.c

// Copyright 2020-2021 Espressif Systems (Shanghai) PTE LTD
//
// 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
//
//     http://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.

#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>

#include <esp_nn.h>
#include "test_utils.h"

void esp_nn_relu6_s8_test()
{
    const int size = 1600 + 8 + 7;
    int8_t *input, *inout_ansi, *inout_opt;

    input = memalign(16, size);
    inout_ansi = memalign(16, size);
    inout_opt = memalign(16, size);

    if (input == NULL || inout_ansi == NULL || inout_opt == NULL) {
        printf(ANSI_COLOR_RED"%s allocations failed\n"ANSI_COLOR_RESET, __FUNCTION__);
        goto relu6_s8_cleanup;
    }
    /* Generate filter data between -128 -> +127 */
    for (int i = 0; i < size; ++i) {
        input[i] = rand() % 255 - 128;
        inout_ansi[i] = input[i];
        inout_opt[i] = input[i];
    }

    /* enable profiler */
    profile_c_start();

    /* C function */
    esp_nn_relu6_s8_ansi(inout_ansi, size);

    profile_c_end();
    profile_opt_start();

    /* Optimized function */
    esp_nn_relu6_s8(inout_opt, size);

    /* disable profiler */
    profile_opt_end();

    bool ret = CHECK_EQUAL(inout_ansi, inout_opt, size);
    if (ret == false) {
        printf(ANSI_COLOR_RED"%s failed\n"ANSI_COLOR_RESET, __FUNCTION__);
        printf("Output: \n");
        PRINT_ARRAY_HEX(inout_opt, size, 1);
        printf("Expected: \n");
        PRINT_ARRAY_HEX(inout_ansi, size, 1);
        printf("Input:\n");
        PRINT_ARRAY_HEX(input, size, 1);
        goto relu6_s8_cleanup;
    }
    printf(ANSI_COLOR_GREEN"%s passed\n"ANSI_COLOR_RESET, __FUNCTION__);

relu6_s8_cleanup:
    if (input) {
        free (input);
    }
    if (inout_ansi) {
        free (inout_ansi);
    }
    if (inout_opt) {
        free (inout_opt);
    }

}