/* ************************************************************************ * Copyright (C) 2018-2026 Advanced Micro Devices, Inc. All rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * * ************************************************************************ */ #pragma once #ifndef TESTING_CSRILUSV_HPP #define TESTING_CSRILUSV_HPP #include "hipsparse.hpp" #include "hipsparse_arguments.hpp" #include "hipsparse_test_unique_ptr.hpp" #include "unit.hpp" #include "utility.hpp" #include #include #include #include #include using namespace hipsparse; using namespace hipsparse_test; template void testing_csrilusv(Arguments argus) { #if(!defined(CUDART_VERSION) || CUDART_VERSION < 12000) hipsparseIndexBase_t idx_base = argus.baseA; std::string filename = argus.filename; std::unique_ptr unique_ptr_handle(new handle_struct); hipsparseHandle_t handle = unique_ptr_handle->handle; std::unique_ptr unique_ptr_descr_M(new descr_struct); hipsparseMatDescr_t descr_M = unique_ptr_descr_M->descr; std::unique_ptr unique_ptr_csrilu02_info(new csrilu02_struct); csrilu02Info_t info_M = unique_ptr_csrilu02_info->info; // Initialize the matrix descriptor CHECK_HIPSPARSE_ERROR(hipsparseSetMatIndexBase(descr_M, idx_base)); // Host structures std::vector hcsr_row_ptr; std::vector hcsr_col_ind; std::vector hcsr_val; // Initial Data on CPU int m; int n; int nnz; CHECK_GENERATE_MATRIX_ERROR( generate_csr_matrix(filename, m, n, nnz, hcsr_row_ptr, hcsr_col_ind, hcsr_val, idx_base)); // Allocate memory on device auto dptr_managed = hipsparse_unique_ptr{device_malloc(sizeof(int) * (m + 1)), device_free}; auto dcol_managed = hipsparse_unique_ptr{device_malloc(sizeof(int) * nnz), device_free}; auto dval_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * nnz), device_free}; auto d_position_managed = hipsparse_unique_ptr{device_malloc(sizeof(int)), device_free}; int* dptr = (int*)dptr_managed.get(); int* dcol = (int*)dcol_managed.get(); T* dval = (T*)dval_managed.get(); int* d_position = (int*)d_position_managed.get(); // copy data from CPU to device CHECK_HIP_ERROR( hipMemcpy(dptr, hcsr_row_ptr.data(), sizeof(int) * (m + 1), hipMemcpyHostToDevice)); CHECK_HIP_ERROR(hipMemcpy(dcol, hcsr_col_ind.data(), sizeof(int) * nnz, hipMemcpyHostToDevice)); CHECK_HIP_ERROR(hipMemcpy(dval, hcsr_val.data(), sizeof(T) * nnz, hipMemcpyHostToDevice)); // Obtain csrilu02 buffer size int size; CHECK_HIPSPARSE_ERROR( hipsparseXcsrilu02_bufferSize(handle, m, nnz, descr_M, dval, dptr, dcol, info_M, &size)); // Allocate buffer on the device auto dbuffer_managed = hipsparse_unique_ptr{device_malloc(sizeof(char) * size), device_free}; void* dbuffer = (void*)dbuffer_managed.get(); // csrilu02 analysis CHECK_HIPSPARSE_ERROR(hipsparseXcsrilu02_analysis(handle, m, nnz, descr_M, dval, dptr, dcol, info_M, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer)); // Compute incomplete LU factorization CHECK_HIPSPARSE_ERROR(hipsparseXcsrilu02(handle, m, nnz, descr_M, dval, dptr, dcol, info_M, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer)); // Check for zero pivot int hposition_1, hposition_2; hipsparseStatus_t pivot_status_1, pivot_status_2; // Host pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_HOST)); pivot_status_1 = hipsparseXcsrilu02_zeroPivot(handle, info_M, &hposition_1); // device pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_DEVICE)); pivot_status_2 = hipsparseXcsrilu02_zeroPivot(handle, info_M, d_position); // Copy output to CPU std::vector iluresult(nnz); CHECK_HIP_ERROR(hipMemcpy(iluresult.data(), dval, sizeof(T) * nnz, hipMemcpyDeviceToHost)); CHECK_HIP_ERROR(hipMemcpy(&hposition_2, d_position, sizeof(int), hipMemcpyDeviceToHost)); // Compute host reference csrilu0 int position_gold = host_csrilu0(m, hcsr_row_ptr.data(), hcsr_col_ind.data(), hcsr_val.data(), idx_base, false, 0.0, make_DataType(0.0, 0.0)); // Check zero pivot results unit_check_general(1, 1, 1, &position_gold, &hposition_1); unit_check_general(1, 1, 1, &position_gold, &hposition_2); // If zero pivot was found, do not go further if(hposition_1 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_1, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } if(hposition_2 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_2, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } // Check csrilu0 factorization #if defined(__HIP_PLATFORM_AMD__) unit_check_general(1, nnz, 1, hcsr_val.data(), iluresult.data()); #elif defined(__HIP_PLATFORM_NVIDIA__) unit_check_near(1, nnz, 1, hcsr_val.data(), iluresult.data()); #endif // Create info structs for lower and upper part std::unique_ptr unique_ptr_csrsv2_lower(new csrsv2_struct); std::unique_ptr unique_ptr_csrsv2_upper(new csrsv2_struct); csrsv2Info_t info_L = unique_ptr_csrsv2_lower->info; csrsv2Info_t info_U = unique_ptr_csrsv2_upper->info; // Create matrix descriptors for csrsv std::unique_ptr unique_ptr_descr_L(new descr_struct); hipsparseMatDescr_t descr_L = unique_ptr_descr_L->descr; CHECK_HIPSPARSE_ERROR(hipsparseSetMatIndexBase(descr_L, idx_base)); CHECK_HIPSPARSE_ERROR(hipsparseSetMatFillMode(descr_L, HIPSPARSE_FILL_MODE_LOWER)); CHECK_HIPSPARSE_ERROR(hipsparseSetMatDiagType(descr_L, HIPSPARSE_DIAG_TYPE_UNIT)); std::unique_ptr unique_ptr_descr_U(new descr_struct); hipsparseMatDescr_t descr_U = unique_ptr_descr_U->descr; CHECK_HIPSPARSE_ERROR(hipsparseSetMatIndexBase(descr_U, idx_base)); CHECK_HIPSPARSE_ERROR(hipsparseSetMatFillMode(descr_U, HIPSPARSE_FILL_MODE_UPPER)); CHECK_HIPSPARSE_ERROR(hipsparseSetMatDiagType(descr_U, HIPSPARSE_DIAG_TYPE_NON_UNIT)); // Obtain csrsv buffer sizes int size_lower, size_upper; CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_bufferSize(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, descr_L, dval, dptr, dcol, info_L, &size_lower)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_bufferSize(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, descr_U, dval, dptr, dcol, info_U, &size_upper)); // Pick maximum size so that we need only one buffer size = std::max(size_lower, size_upper); // Allocate buffer on the device auto dbuffer_sv_managed = hipsparse_unique_ptr{device_malloc(sizeof(char) * size), device_free}; void* dbuffer_sv = (void*)dbuffer_sv_managed.get(); // csrsv analysis CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_analysis(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, descr_L, dval, dptr, dcol, info_L, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_analysis(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, descr_U, dval, dptr, dcol, info_U, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); // Initialize some more structures required for Lz = x T h_alpha = static_cast(1); std::vector hx(m, static_cast(1)); std::vector hy_gold(m); std::vector hz_gold(m); // Allocate device memory auto dx_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * m), device_free}; auto dy_1_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * m), device_free}; auto dy_2_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * m), device_free}; auto dz_1_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * m), device_free}; auto dz_2_managed = hipsparse_unique_ptr{device_malloc(sizeof(T) * m), device_free}; auto d_alpha_managed = hipsparse_unique_ptr{device_malloc(sizeof(T)), device_free}; T* dx = (T*)dx_managed.get(); T* dy_1 = (T*)dy_1_managed.get(); T* dy_2 = (T*)dy_2_managed.get(); T* dz_1 = (T*)dz_1_managed.get(); T* dz_2 = (T*)dz_2_managed.get(); T* d_alpha = (T*)d_alpha_managed.get(); // Copy data from CPU to device CHECK_HIP_ERROR(hipMemcpy(dx, hx.data(), sizeof(T) * m, hipMemcpyHostToDevice)); CHECK_HIP_ERROR(hipMemcpy(d_alpha, &h_alpha, sizeof(T), hipMemcpyHostToDevice)); // Solve Lz = x // host pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_HOST)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_solve(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, &h_alpha, descr_L, dval, dptr, dcol, info_L, dx, dz_1, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); // Check for zero pivot pivot_status_1 = hipsparseXcsrsv2_zeroPivot(handle, info_L, &hposition_1); // device pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_DEVICE)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_solve(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, d_alpha, descr_L, dval, dptr, dcol, info_L, dx, dz_2, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); // Check for zero pivot pivot_status_2 = hipsparseXcsrsv2_zeroPivot(handle, info_L, d_position); // Host csrsv hipDeviceProp_t prop{}; CHECK_HIP_ERROR(hipGetDeviceProperties(&prop, 0)); position_gold = csr_lsolve(HIPSPARSE_OPERATION_NON_TRANSPOSE, m, hcsr_row_ptr.data(), hcsr_col_ind.data(), hcsr_val.data(), h_alpha, hx.data(), hz_gold.data(), idx_base, HIPSPARSE_DIAG_TYPE_UNIT, prop.warpSize); // Check zero pivot results unit_check_general(1, 1, 1, &position_gold, &hposition_1); unit_check_general(1, 1, 1, &position_gold, &hposition_2); // If zero pivot was found, do not go further if(hposition_1 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_1, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } if(hposition_2 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_2, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } // Copy output from device to CPU std::vector hz_1(m); std::vector hz_2(m); CHECK_HIP_ERROR(hipMemcpy(hz_1.data(), dz_1, sizeof(T) * m, hipMemcpyDeviceToHost)); CHECK_HIP_ERROR(hipMemcpy(hz_2.data(), dz_2, sizeof(T) * m, hipMemcpyDeviceToHost)); // Check z #if defined(__HIP_PLATFORM_AMD__) unit_check_general(1, m, 1, hz_gold.data(), hz_1.data()); unit_check_general(1, m, 1, hz_gold.data(), hz_2.data()); #elif defined(__HIP_PLATFORM_NVIDIA__) unit_check_near(1, m, 1, hz_gold.data(), hz_1.data()); unit_check_near(1, m, 1, hz_gold.data(), hz_2.data()); #endif // Solve Uy = z // host pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_HOST)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_solve(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, &h_alpha, descr_U, dval, dptr, dcol, info_U, dz_1, dy_1, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); // Check for zero pivot pivot_status_1 = hipsparseXcsrsv2_zeroPivot(handle, info_U, &hposition_1); // device pointer mode CHECK_HIPSPARSE_ERROR(hipsparseSetPointerMode(handle, HIPSPARSE_POINTER_MODE_DEVICE)); CHECK_HIPSPARSE_ERROR(hipsparseXcsrsv2_solve(handle, HIPSPARSE_OPERATION_NON_TRANSPOSE, m, nnz, d_alpha, descr_U, dval, dptr, dcol, info_U, dz_2, dy_2, HIPSPARSE_SOLVE_POLICY_USE_LEVEL, dbuffer_sv)); // Check for zero pivot pivot_status_2 = hipsparseXcsrsv2_zeroPivot(handle, info_U, d_position); // Host csrsv position_gold = csr_usolve(HIPSPARSE_OPERATION_NON_TRANSPOSE, m, hcsr_row_ptr.data(), hcsr_col_ind.data(), hcsr_val.data(), h_alpha, hz_gold.data(), hy_gold.data(), idx_base, HIPSPARSE_DIAG_TYPE_NON_UNIT, prop.warpSize); // Check zero pivot results unit_check_general(1, 1, 1, &position_gold, &hposition_1); unit_check_general(1, 1, 1, &position_gold, &hposition_2); // If zero pivot was found, do not go further if(hposition_1 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_1, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } if(hposition_2 != -1) { verify_hipsparse_status_zero_pivot(pivot_status_2, "expected HIPSPARSE_STATUS_ZERO_PIVOT"); return; } // Copy output from device to CPU std::vector hy_1(m); std::vector hy_2(m); CHECK_HIP_ERROR(hipMemcpy(hy_1.data(), dy_1, sizeof(T) * m, hipMemcpyDeviceToHost)); CHECK_HIP_ERROR(hipMemcpy(hy_2.data(), dy_2, sizeof(T) * m, hipMemcpyDeviceToHost)); // Check z unit_check_near(1, m, 1, hy_gold.data(), hy_1.data()); unit_check_near(1, m, 1, hy_gold.data(), hy_2.data()); #endif } #endif // TESTING_CSRILUSOLVE_HPP