rocm-systems/tests/catch/unit/deviceLib/hipTestDeviceSymbol.cc

/*
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THE SOFTWARE.
*/


/*
 Test Scenarios :
 1) Calling hipMemcpyTo/FromSymbolAsync() using user declared stream obj and hipStreamPerThread.
 2) Validate get symbol address/size for global const array.
 3) Validate get symbol address/size for static const variable.
*/

#include <hip_test_common.hh>
#define NUM 1024
#define SIZE 1024 * 4

__device__ int globalIn[NUM];
__device__ int globalOut[NUM];

__global__ void Assign(int* Out) {
    int tid = threadIdx.x + blockIdx.x * blockDim.x;
    Out[tid] = globalIn[tid];
    globalOut[tid] = globalIn[tid];
}

__device__ __constant__ int globalConstArr[NUM];
__device__ __constant__ static float statConstVar = 1.0f;

__global__ void checkGlobalConstAddress(int* addr, bool* out) {
    *out = (globalConstArr == addr);
}

__global__ void checkStaticConstVarAddress(float* addr, bool* out) {
    *out = (&statConstVar == addr);
}

/**
 Calling hipMemcpyTo/FromSymbolAsync() using user declared stream obj and hipStreamPerThread.
 */
TEST_CASE("Unit_hipMemcpyToSymbolAsync_ToNFrom") {
    int *A, *Am, *B, *Ad, *C, *Cm;
    A = new int[NUM];
    B = new int[NUM];
    C = new int[NUM];
    for (int i = 0; i < NUM; i++) {
        A[i] = -1 * i;
        B[i] = 0;
        C[i] = 0;
    }

    HIP_CHECK(hipMalloc(&Ad, SIZE));
    HIP_CHECK(hipHostMalloc(&Am, SIZE));
    HIP_CHECK(hipHostMalloc(&Cm, SIZE));
    for (int i = 0; i < NUM; i++) {
        Am[i] = -1 * i;
        Cm[i] = 0;
    }

    hipStream_t stream;
    HIP_CHECK(hipStreamCreate(&stream));
    HIP_CHECK(hipMemcpyToSymbolAsync(HIP_SYMBOL(globalIn), Am, SIZE, 0,
              hipMemcpyHostToDevice, stream));
    HIP_CHECK(hipStreamSynchronize(stream));
    hipLaunchKernelGGL(Assign, dim3(1, 1, 1), dim3(NUM, 1, 1), 0, 0, Ad);
    HIP_CHECK(hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost));
    HIP_CHECK(hipMemcpyFromSymbolAsync(Cm, HIP_SYMBOL(globalOut), SIZE, 0,
              hipMemcpyDeviceToHost, stream));
    HIP_CHECK(hipStreamSynchronize(stream));
    for (int i = 0; i < NUM; i++) {
        REQUIRE(Am[i] == B[i]);
        REQUIRE(Am[i] == Cm[i]);
    }

    for (int i = 0; i < NUM; i++) {
        A[i] = -2 * i;
        B[i] = 0;
    }

    HIP_CHECK(hipMemcpyToSymbol(HIP_SYMBOL(globalIn), A, SIZE, 0,
                                hipMemcpyHostToDevice));
    hipLaunchKernelGGL(Assign, dim3(1, 1, 1), dim3(NUM, 1, 1), 0, 0, Ad);
    HIP_CHECK(hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost));
    HIP_CHECK(hipMemcpyFromSymbol(C, HIP_SYMBOL(globalOut), SIZE, 0,
                                  hipMemcpyDeviceToHost));
    for (int i = 0; i < NUM; i++) {
        REQUIRE(A[i] == B[i]);
        REQUIRE(A[i] == C[i]);
    }

    for (int i = 0; i < NUM; i++) {
        A[i] = -3 * i;
        B[i] = 0;
    }
    SECTION("Calling hipMemcpyTo/FromSymbol using user declared stream obj") {
      HIP_CHECK(hipMemcpyToSymbolAsync(HIP_SYMBOL(globalIn), A, SIZE, 0,
                                        hipMemcpyHostToDevice, stream));
      HIP_CHECK(hipStreamSynchronize(stream));
      hipLaunchKernelGGL(Assign, dim3(1, 1, 1), dim3(NUM, 1, 1), 0, 0, Ad);
      HIP_CHECK(hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost));
      HIP_CHECK(hipMemcpyFromSymbolAsync(C, HIP_SYMBOL(globalOut), SIZE, 0,
                                         hipMemcpyDeviceToHost, stream));
      HIP_CHECK(hipStreamSynchronize(stream));
    }
    SECTION("Calling hipMemcpyTo/FromSymbol using hipStreamPerThread") {
      HIP_CHECK(hipMemcpyToSymbolAsync(HIP_SYMBOL(globalIn), A, SIZE, 0,
                                   hipMemcpyHostToDevice, hipStreamPerThread));
      HIP_CHECK(hipStreamSynchronize(hipStreamPerThread));
      hipLaunchKernelGGL(Assign, dim3(1, 1, 1), dim3(NUM, 1, 1), 0, 0, Ad);
      HIP_CHECK(hipMemcpy(B, Ad, SIZE, hipMemcpyDeviceToHost));
      HIP_CHECK(hipMemcpyFromSymbolAsync(C, HIP_SYMBOL(globalOut), SIZE, 0,
                                   hipMemcpyDeviceToHost, hipStreamPerThread));
      HIP_CHECK(hipStreamSynchronize(hipStreamPerThread));
    }
    for (int i = 0; i < NUM; i++) {
        REQUIRE(A[i] == B[i]);
        REQUIRE(A[i] == C[i]);
    }
    HIP_CHECK(hipStreamDestroy(stream));
    HIP_CHECK(hipHostFree(Am));
    HIP_CHECK(hipHostFree(Cm));
    HIP_CHECK(hipFree(Ad));
    delete[] A;
    delete[] B;
    delete[] C;
}

/**
 1) Validate get symbol address/size for global const array.
 2) Validate get symbol address/size for static const variable.
 */
TEST_CASE("Unit_hipGetSymbolAddressAndSize_Validation") {
    bool *checkOkD;
    bool checkOk = false;
    size_t symbolSize{};
    int *symbolArrAddress{};
    float *symbolVarAddress{};

    SECTION("Validate symbol size/address of global const array") {
      HIP_CHECK(hipGetSymbolSize(&symbolSize, HIP_SYMBOL(globalConstArr)));
      HIP_CHECK(hipGetSymbolAddress(
                              reinterpret_cast<void **>(&symbolArrAddress),
                                              HIP_SYMBOL(globalConstArr)));
      HIP_CHECK(hipMalloc(&checkOkD, sizeof(bool)));
      hipLaunchKernelGGL(checkGlobalConstAddress, dim3(1, 1, 1), dim3(1, 1, 1),
                                             0, 0, symbolArrAddress, checkOkD);
      HIP_CHECK(hipMemcpy(&checkOk, checkOkD, sizeof(bool),
                                                       hipMemcpyDeviceToHost));
      HIP_CHECK(hipFree(checkOkD));
      HIP_ASSERT(checkOk);
      HIP_ASSERT(symbolSize == SIZE);
    }

    SECTION("Validate symbol size/address of static const variable") {
      HIP_CHECK(hipGetSymbolSize(&symbolSize, HIP_SYMBOL(statConstVar)));
      HIP_CHECK(hipGetSymbolAddress(
                               reinterpret_cast<void **>(&symbolVarAddress),
                                                 HIP_SYMBOL(statConstVar)));
      HIP_CHECK(hipMalloc(&checkOkD, sizeof(bool)));
      hipLaunchKernelGGL(checkStaticConstVarAddress, dim3(1, 1, 1),
                              dim3(1, 1, 1), 0, 0, symbolVarAddress, checkOkD);
      HIP_CHECK(hipMemcpy(&checkOk, checkOkD, sizeof(bool),
                                                       hipMemcpyDeviceToHost));
      HIP_CHECK(hipFree(checkOkD));
      HIP_ASSERT(checkOk);
      HIP_ASSERT(symbolSize == sizeof(float));
    }
}