benchmarks_main.c File Reference

#include <stdio.h>
#include <cgl_hash.h>
#include "benchmarks_utils.h"
#include <string.h>
#include <utilities.h>

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Functions
void	swap (ticks *a, ticks *b)
int	partition (ticks arr[], int low, int high)
void	quicksort (ticks arr[], int low, int high)
int	main (int argc, char **argv)

Function Documentation

main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 55 of file benchmarks_main.c.

                                 {
 
    hal_init_perfcounters(1, 1);
//    const char * name_of_executable = strrchr(argv[0], '/');
//    printf("Test for %s!\n",name_of_executable);
 
    // --------------------------
    // For measuring clock cycles
    ticks mark_min = 0xFFFFFFFFFFFFFFFF;
    ticks mark_max = 0;
    ticks mark_mean = 0;
    ticks mark_two_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS] = {0};
    ticks mark_three_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS] = {0};
    ticks mark_0 = 0;
    ticks mark_1 = 0;
 
#if defined(NDEBUG)
    ticks mark_current = 0;
#endif
 
    // -----------------------------------------------------
    // 2-isogeny walks
    cgl_hash_2_ctx ctx2;
    fp2_t A, t;
 
    fp2_set_to_zero(&A);
    fp2_set_to_one(&t);
    fp2_add(&A, t, t);
    fp2_add(&A, A, t);
    fp2_add(&A, A, A);
 
    cgl_hash_init_2(&ctx2, A);
    
    //------------------------------------------------------
    // Main loop
    
    printf("\nNumbers correspond for \033[1;33mCGLHash2\033[0m.\n");
    for (int i = 0; i < NUMBER_OF_BENCHMARK_EXPERIMENTS; i++) {
        printf("// Running experiments:\t");
        printf("%2d%%", 100 * i / NUMBER_OF_BENCHMARK_EXPERIMENTS);
        fflush(stdout);
        printf("\r\x1b[K");
        // ----------------
 
        uint8_t path[BIT_LENGTH_PATH / 8] = {0};
        isogeny_walks_sample_bit_string(path);
 
        mark_0 = get_timestamp();
        cgl_hash_digest_2(&A, &ctx2, path);
        mark_1 = get_timestamp();
 
        // ---------------------------------
        // storing the measured clock cycles
        mark_two_isogeny[i] = 0;
        mark_two_isogeny[i] = mark_1 - mark_0;
        // Minimum value
        if(mark_min > mark_two_isogeny[i])
            mark_min = mark_two_isogeny[i];
        // Maximum value
        if(mark_max < mark_two_isogeny[i])
            mark_max = mark_two_isogeny[i];
        // Average value
        mark_mean += mark_two_isogeny[i];
    }
    mark_mean = mark_mean / NUMBER_OF_BENCHMARK_EXPERIMENTS;
 
    printf("Average: \033[1;32m%llu\033[0m\n\n", (unsigned long long)mark_mean );
 
#if defined(NDEBUG)
    quicksort(mark_two_isogeny, 0, NUMBER_OF_BENCHMARK_EXPERIMENTS - 1);
    // -----------------------------------------------------------
    mark_current = mark_two_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 4];
    printf("Q1:      \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    // -----------------------------------------------------------
    mark_current = (mark_two_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 2] + mark_two_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 2 - 1]) / 2;
    printf("Median:  \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    // -----------------------------------------------------------
    mark_current = mark_two_isogeny[(3 * NUMBER_OF_BENCHMARK_EXPERIMENTS) / 4];
    printf("Q3:      \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    
    // -----------------------------------------------------------
    printf("\n");
    printf("Min:     \033[1;34m%llu\033[0m\n", (unsigned long long)mark_min );
    printf("Max:     \033[1;31m%llu\033[0m\n", (unsigned long long)mark_max );
    printf("\n");
#endif
 
    //------------------------------------------------------
    //------------------------------------------------------
    // 3-isogeny walk
 
    mark_min = 0xFFFFFFFFFFFFFFFF;
    mark_max = 0;
    mark_mean = 0;
 
#if defined(NDEBUG)
    mark_current = 0;
#endif
 
    cgl_hash_3_ctx ctx3;
    fp2_set_to_zero(&A);
    fp2_set_to_one(&t);
    fp2_add(&A, t, t);
    fp2_add(&A, A, t);
    fp2_add(&A, A, A);
 
    // For simplicity we take the first x-coordinate point
    cgl_hash_init_3(&ctx3, A, 0);
 
    //------------------------------------------------------
    // Main loop
    
    printf("Numbers correspond for \033[1;33mCGLHash3\033[0m.\n");
    for (int i = 0; i < NUMBER_OF_BENCHMARK_EXPERIMENTS; i++) {
        printf("// Running experiments:\t");
        printf("%2d%%", 100 * i / NUMBER_OF_BENCHMARK_EXPERIMENTS);
        fflush(stdout);
        printf("\r\x1b[K");
        // ----------------
        uint8_t path[TRITLENGTH_PATH / 5] = {0};
        isogeny_walks_sample_trit_string(path);
 
        mark_0 = get_timestamp();
        cgl_hash_digest_3(&A, &ctx3, path);
        mark_1 = get_timestamp();
 
        // ---------------------------------
        // storing the measured clock cycles
        mark_three_isogeny[i] = 0;
        mark_three_isogeny[i] = mark_1 - mark_0;
        // Minimum value
        if(mark_min > mark_three_isogeny[i])
            mark_min = mark_three_isogeny[i];
        // Maximum value
        if(mark_max < mark_three_isogeny[i])
            mark_max = mark_three_isogeny[i];
        // Average value
        mark_mean += mark_three_isogeny[i];
    }
    mark_mean = mark_mean / NUMBER_OF_BENCHMARK_EXPERIMENTS;
 
    printf("Average: \033[1;32m%llu\033[0m\n\n", (unsigned long long)mark_mean );
 
#if defined(NDEBUG)
    quicksort(mark_three_isogeny, 0, NUMBER_OF_BENCHMARK_EXPERIMENTS - 1);
    // -----------------------------------------------------------
    mark_current = mark_three_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 4];
    printf("Q1:      \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    // -----------------------------------------------------------
    mark_current = (mark_three_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 2] + mark_three_isogeny[NUMBER_OF_BENCHMARK_EXPERIMENTS / 2 - 1]) / 2;
    printf("Median:  \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    // -----------------------------------------------------------
    mark_current = mark_three_isogeny[(3 * NUMBER_OF_BENCHMARK_EXPERIMENTS) / 4];
    printf("Q3:      \033[1;33m%llu\033[0m\n", (unsigned long long)mark_current );
    
    // -----------------------------------------------------------
    printf("\n");
    printf("Min:     \033[1;34m%llu\033[0m\n", (unsigned long long)mark_min );
    printf("Max:     \033[1;31m%llu\033[0m\n", (unsigned long long)mark_max );
    printf("\n");
#endif
 
    char benchmarks_statistics_file_name[256];
 
    strcpy(benchmarks_statistics_file_name, "BENCH-STATS-");
 
#if defined(CYCLES)
    strcat(benchmarks_statistics_file_name, "CLOCK-CYCLES-");
#elif defined(TIME)
    strcat(benchmarks_statistics_file_name, "NANOSECONDS-");
#endif
 
    strcat(benchmarks_statistics_file_name, FIELD_NAME);
    strcat(benchmarks_statistics_file_name, ".csv");
 
    printStatisticsFile(benchmarks_statistics_file_name, mark_two_isogeny, mark_three_isogeny);
 
    return 0;
}

References BIT_LENGTH_PATH, cgl_hash_digest_2(), cgl_hash_digest_3(), cgl_hash_init_2(), cgl_hash_init_3(), FIELD_NAME, fp2_add, fp2_set_to_one(), fp2_set_to_zero(), i, isogeny_walks_sample_bit_string(), isogeny_walks_sample_trit_string(), main(), NUMBER_OF_BENCHMARK_EXPERIMENTS, printStatisticsFile(), quicksort(), and TRITLENGTH_PATH.

Referenced by main(), main(), main(), and main().

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partition()

int partition	(	ticks	arr[],
		int	low,
		int	high
	)

Definition at line 20 of file benchmarks_main.c.

                                               {
    ticks pivot = arr[high];    // pivot
    int i = (low - 1);  // Index of smaller element
 
    int j;
    for(j = low; j <= high- 1; j++)
    {
        // If current element is smaller than the pivot
        if(arr[j] < pivot)
        {
            i++;    // increment index of smaller element
            swap(&arr[i], &arr[j]);
        }
    }
    swap(&arr[i + 1], &arr[high]);
    return (i + 1);
}

References i, j, partition(), and swap().

Referenced by partition(), and quicksort().

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quicksort()

void quicksort	(	ticks	arr[],
		int	low,
		int	high
	)

Definition at line 42 of file benchmarks_main.c.

                                               {
    if (low < high)
    {
        /* pi is partitioning index, arr[p] is now at right place */
        int pi = partition(arr, low, high);
 
        // Separately sort elements before
        // partition and after partition
        quicksort(arr, low, pi - 1);
        quicksort(arr, pi + 1, high);
    }
}

References partition(), and quicksort().

Referenced by main(), and quicksort().

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swap()

void swap	(	ticks *	a,
		ticks *	b
	)

Definition at line 9 of file benchmarks_main.c.

                              {
    ticks t = *a;
    *a = *b;
    *b = t;
}

References a.

Referenced by action(), and partition().

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