rocm-systems/projects/hip-tests/perftests/memory/hipPerfMemMallocCpyFree.cpp

/*
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The above copyright notice and this permission notice shall be included in
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*/

#include "test_common.h"
#include <iostream>
#include <time.h>

/* HIT_START
 * BUILD: %t %s ../../src/test_common.cpp EXCLUDE_HIP_PLATFORM nvidia
 * TEST: %t
 * HIT_END
 */

#define NUM_SIZE 19  //size up to 16M
#define NUM_ITER 500 //Total GPU memory up to 16M*500=8G

void valSet(int* A, int val, size_t size) {
    size_t len = size / sizeof(int);
    for (int i = 0; i < len; i++) {
        A[i] = val;
    }
}

void setup(size_t *size, const int num, int **pA) {
    std::cout << "size: ";
    for (int i = 0; i < num; i++) {
        size[i] = 1 << (i + 6);
        std::cout << size[i] << " ";
    }
    std::cout << std::endl;
    *pA = (int*)malloc(size[num - 1]);
    valSet(*pA, 1, size[num - 1]);
}

void testInit(size_t size, int *A) {
    int *Ad;
    clock_t start = clock();
    hipMalloc(&Ad, size); //hip::init() will be called
    clock_t end = clock();
    double uS = (end - start) * 1000000. / CLOCKS_PER_SEC;
    std::cout << "Initial" << std::endl;
    std::cout << "hipMalloc(" << size << ") cost " << uS << "us" << std::endl;

    start = clock();
    hipMemcpy(Ad, A, size, hipMemcpyHostToDevice);
    hipDeviceSynchronize();
    end = clock();
    uS = (end - start) * 1000000. / CLOCKS_PER_SEC;
    std::cout << "hipMemcpy(" << size << ") cost " << uS << "us" << std::endl;

    start = clock();
    hipFree(Ad);
    end = clock();
    uS = (end - start) * 1000000. / CLOCKS_PER_SEC;
    std::cout << "hipFree(" << size << ") cost " << uS << "us" << std::endl;
}

int main() {
    double uS;
    clock_t start, end;
    size_t size[NUM_SIZE] = { 0 };
    int *Ad[NUM_ITER] = { nullptr };
    int *A;

    setup(size, NUM_SIZE, &A);
    testInit(size[0], A);

    for (int i = 0; i < NUM_SIZE; i++) {
        std::cout << size[i] << std::endl;
        start = clock();
        for (int j = 0; j < NUM_ITER; j++) {
            HIPCHECK(hipMalloc(&Ad[j], size[i]));
        }
        end = clock();
        uS = (end - start) * 1000000. / (NUM_ITER * CLOCKS_PER_SEC);
        std::cout << "hipMalloc(" << size[i] << ") cost " << uS << "us" << std::endl;

        start = clock();
        for (int j = 0; j < NUM_ITER; j++) {
            HIPCHECK(hipMemcpy(Ad[j], A, size[i], hipMemcpyHostToDevice));
        }
        hipDeviceSynchronize();
        end = clock();
        uS = (end - start) * 1000000. / (NUM_ITER * CLOCKS_PER_SEC);
        std::cout << "hipMemcpy(" << size[i] << ") cost " << uS << "us" << std::endl;

        start = clock();
        for (int j = 0; j < NUM_ITER; j++) {
            HIPCHECK(hipFree(Ad[j]));
            Ad[j] = nullptr;
        }
        end = clock();
        double uS = (end - start) * 1000000. / (NUM_ITER * CLOCKS_PER_SEC);
        std::cout << "hipFree(" << size[i] << ") cost " << uS << "us" << std::endl;
    }
    free(A);
    passed();
}