TheRock/rocm-libraries/projects/hipblas/clients/include/blas2/testing_her_batched.hpp

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#include <fstream>
#include <iostream>
#include <stdlib.h>
#include <vector>

#include "testing_common.hpp"

/* ============================================================================================ */

using hipblasHerBatchedModel
    = ArgumentModel<e_a_type, e_uplo, e_N, e_alpha, e_incx, e_lda, e_batch_count>;

inline void testname_her_batched(const Arguments& arg, std::string& name)
{
    hipblasHerBatchedModel{}.test_name(arg, name);
}

template <typename T>
void testing_her_batched_bad_arg(const Arguments& arg)
{
    using U      = real_t<T>;
    bool FORTRAN = arg.api == hipblas_client_api::FORTRAN;
    auto hipblasHerBatchedFn
        = FORTRAN ? hipblasHerBatched<T, U, true> : hipblasHerBatched<T, U, false>;

    auto hipblasHerBatchedFn_64 = arg.api == FORTRAN_64 ? hipblasHerBatched_64<T, U, true>
                                                        : hipblasHerBatched_64<T, U, false>;

    for(auto pointer_mode : {HIPBLAS_POINTER_MODE_HOST, HIPBLAS_POINTER_MODE_DEVICE})
    {
        hipblasLocalHandle handle(arg);
        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, pointer_mode));

        hipblasFillMode_t uplo        = HIPBLAS_FILL_MODE_UPPER;
        int64_t           N           = 100;
        int64_t           lda         = 100;
        int64_t           incx        = 1;
        int64_t           batch_count = 2;

        device_vector<U> d_alpha(1), d_zero(1);

        const U  h_alpha{1}, h_zero{0};
        const U* alpha = &h_alpha;
        const U* zero  = &h_zero;

        if(pointer_mode == HIPBLAS_POINTER_MODE_DEVICE)
        {
            CHECK_HIP_ERROR(hipMemcpy(d_alpha, alpha, sizeof(*alpha), hipMemcpyHostToDevice));
            CHECK_HIP_ERROR(hipMemcpy(d_zero, zero, sizeof(*zero), hipMemcpyHostToDevice));
            alpha = d_alpha;
            zero  = d_zero;
        }

        device_batch_matrix<T> dA(N, N, lda, batch_count);
        device_batch_vector<T> dx(N, incx, batch_count);

        DAPI_EXPECT(HIPBLAS_STATUS_NOT_INITIALIZED,
                    hipblasHerBatchedFn,
                    (nullptr,
                     uplo,
                     N,
                     alpha,
                     dx.ptr_on_device(),
                     incx,
                     dA.ptr_on_device(),
                     lda,
                     batch_count));
        DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                    hipblasHerBatchedFn,
                    (handle,
                     HIPBLAS_FILL_MODE_FULL,
                     N,
                     alpha,
                     dx.ptr_on_device(),
                     incx,
                     dA.ptr_on_device(),
                     lda,
                     batch_count));

        DAPI_EXPECT(HIPBLAS_STATUS_INVALID_ENUM,
                    hipblasHerBatchedFn,
                    (handle,
                     (hipblasFillMode_t)HIPBLAS_OP_N,
                     N,
                     alpha,
                     dx.ptr_on_device(),
                     incx,
                     dA.ptr_on_device(),
                     lda,
                     batch_count));

        DAPI_EXPECT(HIPBLAS_STATUS_INVALID_VALUE,
                    hipblasHerBatchedFn,
                    (handle,
                     uplo,
                     N,
                     nullptr,
                     dx.ptr_on_device(),
                     incx,
                     dA.ptr_on_device(),
                     lda,
                     batch_count));

        if(pointer_mode == HIPBLAS_POINTER_MODE_HOST)
        {
            // For device mode in rocBLAS we don't have checks for dA, dx as we may be able to quick return
            DAPI_EXPECT(
                HIPBLAS_STATUS_INVALID_VALUE,
                hipblasHerBatchedFn,
                (handle, uplo, N, alpha, nullptr, incx, dA.ptr_on_device(), lda, batch_count));

            DAPI_EXPECT(
                HIPBLAS_STATUS_INVALID_VALUE,
                hipblasHerBatchedFn,
                (handle, uplo, N, alpha, dx.ptr_on_device(), incx, nullptr, lda, batch_count));
        }

        // With N == 0, can have all nullptrs
        DAPI_CHECK(hipblasHerBatchedFn,
                   (handle, uplo, 0, nullptr, nullptr, incx, nullptr, lda, batch_count));

        // With batch_count == 0, can have all nullptrs
        DAPI_CHECK(hipblasHerBatchedFn, (handle, uplo, N, nullptr, nullptr, incx, nullptr, lda, 0));

        // With alpha == 0, can have all nullptrs
        DAPI_CHECK(hipblasHerBatchedFn,
                   (handle, uplo, N, zero, nullptr, incx, nullptr, lda, batch_count));
    }
}

template <typename T>
void testing_her_batched(const Arguments& arg)
{
    using U      = real_t<T>;
    bool FORTRAN = arg.api == hipblas_client_api::FORTRAN;
    auto hipblasHerBatchedFn
        = FORTRAN ? hipblasHerBatched<T, U, true> : hipblasHerBatched<T, U, false>;
    auto hipblasHerBatchedFn_64 = arg.api == FORTRAN_64 ? hipblasHerBatched_64<T, U, true>
                                                        : hipblasHerBatched_64<T, U, false>;

    hipblasFillMode_t uplo        = char2hipblas_fill(arg.uplo);
    int64_t           N           = arg.N;
    int64_t           incx        = arg.incx;
    int64_t           lda         = arg.lda;
    int64_t           batch_count = arg.batch_count;

    size_t A_size = lda * N;

    double hipblas_error_host{0}, hipblas_error_device{0};

    U h_alpha = arg.get_alpha<U>();

    hipblasLocalHandle handle(arg);

    // argument sanity check, quick return if input parameters are invalid before allocating invalid
    // memory
    bool invalid_size = N < 0 || lda < N || lda < 1 || !incx || batch_count < 0;
    if(invalid_size || !N || !batch_count)
    {
        DAPI_EXPECT(invalid_size ? HIPBLAS_STATUS_INVALID_VALUE : HIPBLAS_STATUS_SUCCESS,
                    hipblasHerBatchedFn,
                    (handle, uplo, N, nullptr, nullptr, incx, nullptr, lda, batch_count));
        return;
    }

    // Naming: dK is in GPU (device) memory. hK is in CPU (host) memory
    host_batch_matrix<T> hA(N, N, lda, batch_count);
    host_batch_matrix<T> hA_cpu(N, N, lda, batch_count);
    host_batch_matrix<T> hA_host(N, N, lda, batch_count);
    host_batch_matrix<T> hA_device(N, N, lda, batch_count);
    host_batch_vector<T> hx(N, incx, batch_count);

    device_batch_matrix<T> dA(N, N, lda, batch_count);
    device_batch_vector<T> dx(N, incx, batch_count);
    device_vector<U>       d_alpha(1);

    // Check device memory allocation
    CHECK_DEVICE_ALLOCATION(dA.memcheck());
    CHECK_DEVICE_ALLOCATION(dx.memcheck());
    CHECK_DEVICE_ALLOCATION(d_alpha.memcheck());

    // Initial Data on CPU
    hipblas_init_matrix(hA, arg, hipblas_client_never_set_nan, hipblas_hermitian_matrix, true);
    hipblas_init_vector(hx, arg, hipblas_client_alpha_sets_nan, false, true);

    hA_cpu.copy_from(hA);
    CHECK_HIP_ERROR(dA.transfer_from(hA));
    CHECK_HIP_ERROR(dx.transfer_from(hx));
    CHECK_HIP_ERROR(hipMemcpy(d_alpha, &h_alpha, sizeof(U), hipMemcpyHostToDevice));

    if(arg.unit_check || arg.norm_check)
    {
        /* =====================================================================
            HIPBLAS
        =================================================================== */
        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_HOST));
        DAPI_CHECK(hipblasHerBatchedFn,
                   (handle,
                    uplo,
                    N,
                    (U*)&h_alpha,
                    dx.ptr_on_device(),
                    incx,
                    dA.ptr_on_device(),
                    lda,
                    batch_count));

        CHECK_HIP_ERROR(hA_host.transfer_from(dA));
        CHECK_HIP_ERROR(dA.transfer_from(hA));

        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_DEVICE));
        DAPI_CHECK(hipblasHerBatchedFn,
                   (handle,
                    uplo,
                    N,
                    d_alpha,
                    dx.ptr_on_device(),
                    incx,
                    dA.ptr_on_device(),
                    lda,
                    batch_count));

        CHECK_HIP_ERROR(hA_device.transfer_from(dA));

        /* =====================================================================
           CPU BLAS
        =================================================================== */
        for(size_t b = 0; b < batch_count; b++)
        {
            ref_her<T>(uplo, N, h_alpha, hx[b], incx, hA_cpu[b], lda);
        }

        // enable unit check, notice unit check is not invasive, but norm check is,
        // unit check and norm check can not be interchanged their order
        if(arg.unit_check)
        {
            unit_check_general<T>(N, N, batch_count, lda, hA_cpu, hA_host);
            unit_check_general<T>(N, N, batch_count, lda, hA_cpu, hA_host);
        }
        if(arg.norm_check)
        {
            hipblas_error_host
                = norm_check_general<T>('F', N, N, lda, hA_cpu, hA_host, batch_count);
            hipblas_error_device
                = norm_check_general<T>('F', N, N, lda, hA_cpu, hA_device, batch_count);
        }
    }

    if(arg.timing)
    {
        double gpu_time_used{0};
        CHECK_HIP_ERROR(dA.transfer_from(hA));
        hipStream_t stream;
        CHECK_HIPBLAS_ERROR(hipblasGetStream(handle, &stream));
        CHECK_HIPBLAS_ERROR(hipblasSetPointerMode(handle, HIPBLAS_POINTER_MODE_DEVICE));

        int runs = arg.cold_iters + arg.iters;
        for(int iter = 0; iter < runs; iter++)
        {
            if(iter == arg.cold_iters)
                gpu_time_used = get_time_us_sync(stream);

            DAPI_DISPATCH(hipblasHerBatchedFn,
                          (handle,
                           uplo,
                           N,
                           d_alpha,
                           dx.ptr_on_device(),
                           incx,
                           dA.ptr_on_device(),
                           lda,
                           batch_count));
        }
        gpu_time_used = get_time_us_sync(stream) - gpu_time_used;

        hipblasHerBatchedModel{}.log_args<U>(std::cout,
                                             arg,
                                             gpu_time_used,
                                             her_gflop_count<T>(N),
                                             her_gbyte_count<T>(N),
                                             hipblas_error_host,
                                             hipblas_error_device);
    }
}