rocm-systems/hipamd/tests/src/deviceLib/hipDeviceMemcpy.cpp

#include <iostream>
#include "hip/hip_runtime.h"
#include "hip/hip_runtime_api.h"
#include "../test_common.h"


#define LEN 1024
#define SIZE LEN << 2

/* HIT_START
 * BUILD: %t %s ../test_common.cpp
 * RUN: %t
 * HIT_END
 */


__global__ void cpy(uint32_t* Out, uint32_t* In) {
    int tx = threadIdx.x;
    memcpy(Out + tx, In + tx, sizeof(uint32_t));
}

__global__ void set(uint32_t* ptr, uint8_t val, size_t size) {
    int tx = threadIdx.x;
    memset(ptr + tx, val, sizeof(uint32_t));
}

int main() {
    uint32_t *A, *Ad, *B, *Bd;
    uint32_t* Val;
    A = new uint32_t[LEN];
    B = new uint32_t[LEN];
    Val = new uint32_t;
    *Val = 0;
    for (int i = 0; i < LEN; i++) {
        A[i] = i;
        B[i] = 0;
    }
    hipMalloc((void**)&Ad, SIZE);
    hipMalloc((void**)&Bd, SIZE);
    hipMemcpy(Ad, A, SIZE, hipMemcpyHostToDevice);

    hipLaunchKernelGGL(cpy, dim3(1), dim3(LEN), 0, 0, Bd, Ad);

    hipMemcpy(B, Bd, SIZE, hipMemcpyDeviceToHost);
    for (int i = LEN - 16; i < LEN; i++) {
        if (A[i] != B[i]) {
            return 0;
        }
    }
    hipLaunchKernelGGL(set, dim3(1), dim3(LEN), 0, 0, Bd, 0x1, LEN);

    hipMemcpy(B, Bd, SIZE, hipMemcpyDeviceToHost);
    for (int i = LEN - 16; i < LEN; i++) {
        if (0x01010101 != B[i]) {
            return 0;
        }
    }

    passed();
}