Start to write interfaces to HIP and ROCBLAS

src/GPU/ROCm/elpa_index_amd_gpu.cpp

+extern "C" {
+  int amd_gpu_count() {
+    int count;
+    hipError_t hiperr = hipGetDeviceCount(&count);
+    if (hiperr != hipSuccess) {
+      count = -1000;
+    }
+    return count;
+  }
+}

src/GPU/ROCm/hipUtils.cpp

+//    This file is part of ELPA.
+//
+//    The ELPA library was originally created by the ELPA consortium,
+//    consisting of the following organizations:
+//
+//    - Max Planck Computing and Data Facility (MPCDF), formerly known as
+//      Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
+//    - Bergische Universität Wuppertal, Lehrstuhl für angewandte
+//      Informatik,
+//    - Technische Universität München, Lehrstuhl für Informatik mit
+//      Schwerpunkt Wissenschaftliches Rechnen ,
+//    - Fritz-Haber-Institut, Berlin, Abt. Theorie,
+//    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
+//      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
+//      and
+//    - IBM Deutschland GmbH
+//
+//    This particular source code file contains additions, changes and
+//    enhancements authored by Intel Corporation which is not part of
+//    the ELPA consortium.
+//
+//    More information can be found here:
+//    http://elpa.mpcdf.mpg.de/
+//
+//    ELPA is free software: you can redistribute it and/or modify
+//    it under the terms of the version 3 of the license of the
+//    GNU Lesser General Public License as published by the Free
+//    Software Foundation.
+//
+//    ELPA is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with ELPA.  If not, see <http://www.gnu.org/licenses/>
+//
+//    ELPA reflects a substantial effort on the part of the original
+//    ELPA consortium, and we ask you to respect the spirit of the
+//    license that we chose: i.e., please contribute any changes you
+//    may have back to the original ELPA library distribution, and keep
+//    any derivatives of ELPA under the same license that we chose for
+//    the original distribution, the GNU Lesser General Public License.
+//
+//
+// --------------------------------------------------------------------------------------------------
+//
+// written by A. Marek, MPCDF
+
+#include "config-f90.h"
+
+// The real part
+#define REALCASE 1
+#undef COMPLEXCASE
+#define DOUBLE_PRECISION_REAL 1
+#include "hipUtils_template.cpp"
+#undef DOUBLE_PRECISION_REAL
+
+#ifdef WANT_SINGLE_PRECISION_REAL
+
+#undef DOUBLE_PRECISION_REAL
+#include "hipUtils_template.cpp"
+
+#endif
+
+// The complex part
+#define COMPLEXCASE 1
+#undef REALCASE
+#define DOUBLE_PRECISION_COMPLEX 1
+#include "hipUtils_template.cpp"
+#undef DOUBLE_PRECISION_COMPLEX
+
+#ifdef WANT_SINGLE_PRECISION_COMPLEX
+
+#undef DOUBLE_PRECISION_COMPLEX
+#include "hipUtils_template.cpp"
+
+#endif
+

src/GPU/ROCm/hipUtils.h

+#ifndef UTILS_H
+#define UTILS_H
+
+
+void * allocateDeviceBuffer(int N);
+int sendBufferToDevice(void *d_buf, void *h_buf, int N);
+int getBufferFromDevice(void *h_buf, void *d_buf, int N);

src/GPU/ROCm/hipUtils_template.cpp

+#if 0
+//    Copyright Andreas Marek (2021)
+//
+//    This file is part of ELPA.
+//
+//    The ELPA library was originally created by the ELPA consortium,
+//    consisting of the following organizations:
+//
+//    - Max Planck Computing and Data Facility (MPCDF), formerly known as
+//      Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
+//    - Bergische Universität Wuppertal, Lehrstuhl für angewandte
+//      Informatik,
+//    - Technische Universität München, Lehrstuhl für Informatik mit
+//      Schwerpunkt Wissenschaftliches Rechnen ,
+//    - Fritz-Haber-Institut, Berlin, Abt. Theorie,
+//    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
+//      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
+//      and
+//    - IBM Deutschland GmbH
+//
+//    This particular source code file contains additions, changes and
+//    enhancements authored by Intel Corporation which is not part of
+//    the ELPA consortium.
+//
+//    More information can be found here:
+//    http://elpa.mpcdf.mpg.de/
+//
+//    ELPA is free software: you can redistribute it and/or modify
+//    it under the terms of the version 3 of the license of the
+//    GNU Lesser General Public License as published by the Free
+//    Software Foundation.
+//
+//    ELPA is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with ELPA.  If not, see <http://www.gnu.org/licenses/>
+//
+//    ELPA reflects a substantial effort on the part of the original
+//    ELPA consortium, and we ask you to respect the spirit of the
+//    license that we chose: i.e., please contribute any changes you
+//    may have back to the original ELPA library distribution, and keep
+//    any derivatives of ELPA under the same license that we chose for
+//    the original distribution, the GNU Lesser General Public License.
+//
+//
+// --------------------------------------------------------------------------------------------------
+//
+// written by A. Marek, MPCDF
+#endif
+
+#include "config-f90.h"
+
+//#include <cuda_runtime.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#if COMPLEXCASE == 1
+//#include <cuComplex.h>
+#endif
+
+#define MAX_BLOCK_SIZE 1024
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+__global__ void my_pack_c_kernel_real_double(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, double *src, double *dst, int i_off)
+#else
+__global__ void my_pack_c_kernel_real_single(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, float *src, float *dst, int i_off)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+__global__ void my_pack_c_kernel_complex_double(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, cuDoubleComplex *src, cuDoubleComplex *dst, int i_off)
+#else
+__global__ void my_pack_c_kernel_complex_single(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, cuFloatComplex *src, cuFloatComplex *dst, int i_off)
+#endif
+#endif
+{
+    int b_id = blockIdx.y;
+    int t_id = threadIdx.x + i_off * blockDim.x;
+    int dst_ind = b_id * stripe_width + t_id;
+
+    if (dst_ind < max_idx)
+    {
+        // dimension of dst - lnev, nblk
+        // dimension of src - stripe_width, a_dim2, stripe_count
+#if REALCASE == 1
+        *(dst + dst_ind + (l_nev * blockIdx.x)) = *(src + t_id + (stripe_width * (n_offset + blockIdx.x)) + (b_id * stripe_width * a_dim2));
+#endif
+#if COMPLEXCASE == 1
+        dst[dst_ind + (l_nev * blockIdx.x)].x = src[t_id + (stripe_width * (n_offset + blockIdx.x)) + (b_id * stripe_width * a_dim2)].x;
+        dst[dst_ind + (l_nev * blockIdx.x)].y = src[t_id + (stripe_width * (n_offset + blockIdx.x)) + (b_id * stripe_width * a_dim2)].y;
+#endif
+    }
+}
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+__global__ void my_unpack_c_kernel_real_double(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, double *src, double *dst, int i_off)
+#else
+__global__ void my_unpack_c_kernel_real_single(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, float *src, float *dst, int i_off)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+__global__ void my_unpack_c_kernel_complex_double(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, cuDoubleComplex *src, cuDoubleComplex *dst, int i_off)
+#else
+__global__ void my_unpack_c_kernel_complex_single(const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int l_nev, cuFloatComplex *src, cuFloatComplex *dst, int i_off)
+#endif
+#endif
+{
+    int b_id = blockIdx.y;
+    int t_id = threadIdx.x + i_off * blockDim.x;
+    int src_ind = b_id * stripe_width + t_id;
+
+    if (src_ind < max_idx)
+    {
+#if REALCASE == 1
+        *(dst + (t_id + ((n_offset + blockIdx.x) * stripe_width) + (b_id * stripe_width * a_dim2))) = *(src + src_ind + (blockIdx.x) * l_nev);
+#endif
+#if COMPLEXCASE == 1
+        dst[t_id + ((n_offset + blockIdx.x) * stripe_width) + (b_id * stripe_width * a_dim2)].x = src[src_ind + (blockIdx.x) * l_nev].x;
+        dst[t_id + ((n_offset + blockIdx.x) * stripe_width) + (b_id * stripe_width * a_dim2)].y = src[src_ind + (blockIdx.x) * l_nev].y;
+#endif
+    }
+}
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+__global__ void extract_hh_tau_c_kernel_real_double(double *hh, double *hh_tau, const int nbw, const int n, int val)
+#else
+__global__ void extract_hh_tau_c_kernel_real_single(float *hh, float *hh_tau, const int nbw, const int n, int val)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+__global__ void extract_hh_tau_c_kernel_complex_double(cuDoubleComplex *hh, cuDoubleComplex *hh_tau, const int nbw, const int n, int val)
+#else
+__global__ void extract_hh_tau_c_kernel_complex_single(cuFloatComplex *hh, cuFloatComplex *hh_tau, const int nbw, const int n, int val)
+#endif
+#endif
+{
+    int h_idx = (blockIdx.x) * blockDim.x + threadIdx.x;
+
+    if (h_idx < n)
+    {
+        //dimension of hh - (nbw, max_blk_size)
+        //dimension of hh_tau - max_blk_size
+#if REALCASE == 1
+        *(hh_tau + h_idx) = *(hh + (h_idx * nbw));
+#endif
+#if COMPLEXCASE == 1
+        hh_tau[h_idx] = hh[h_idx * nbw];
+#endif
+        // Replace the first element in the HH reflector with 1.0 or 0.0
+#if REALCASE == 1
+        if (val == 0)
+        {
+            *(hh + (h_idx * nbw)) = 1.0;
+        }
+        else
+        {
+            *(hh + (h_idx * nbw)) = 0.0;
+        }
+#endif
+#if COMPLEXCASE == 1
+        if (val == 0)
+        {
+            hh[(h_idx * nbw)].x = 1.0;
+            hh[h_idx * nbw].y= 0.0;
+        }
+        else
+        {
+            hh[(h_idx * nbw)].x = 0.0;
+            hh[h_idx * nbw].y =0.0;
+        }
+#endif
+     }
+}
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+extern "C" void launch_my_pack_c_kernel_real_double(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, double *a_dev, double *row_group_dev)
+#else
+extern "C" void launch_my_pack_c_kernel_real_single(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, float *a_dev, float *row_group_dev)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+extern "C" void launch_my_pack_c_kernel_complex_double(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, cuDoubleComplex *a_dev, cuDoubleComplex *row_group_dev)
+#else
+extern "C" void launch_my_pack_c_kernel_complex_single(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, cuFloatComplex *a_dev, cuFloatComplex *row_group_dev)
+#endif
+#endif
+{
+    cudaError_t err;
+    dim3 grid_size = dim3(row_count, stripe_count, 1);
+    int blocksize = stripe_width > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : stripe_width;
+
+    for (int i_off = 0; i_off < stripe_width / blocksize; i_off++)
+    {
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+        my_pack_c_kernel_real_double<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, a_dev, row_group_dev, i_off);
+#else
+        my_pack_c_kernel_real_single<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, a_dev, row_group_dev, i_off);
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+        my_pack_c_kernel_complex_double<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, a_dev, row_group_dev, i_off);
+#else
+        my_pack_c_kernel_complex_single<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, a_dev, row_group_dev, i_off);
+#endif
+#endif
+    }
+
+    err = cudaGetLastError();
+    if (err != cudaSuccess)
+    {
+        printf("\n my pack_kernel failed %s \n", cudaGetErrorString(err));
+    }
+}
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+extern "C" void launch_extract_hh_tau_c_kernel_real_double(double *bcast_buffer_dev, double *hh_tau_dev, const int nbw, const int n, const int is_zero)
+#else
+extern "C" void launch_extract_hh_tau_c_kernel_real_single(float *bcast_buffer_dev, float *hh_tau_dev, const int nbw, const int n, const int is_zero)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+extern "C" void launch_extract_hh_tau_c_kernel_complex_double(cuDoubleComplex *bcast_buffer_dev, cuDoubleComplex *hh_tau_dev, const int nbw, const int n, const int is_zero)
+#else
+extern "C" void launch_extract_hh_tau_c_kernel_complex_single(cuFloatComplex *bcast_buffer_dev, cuFloatComplex *hh_tau_dev, const int nbw, const int n, const int is_zero)
+#endif
+#endif
+{
+    cudaError_t err;
+    int grid_size = 1 + (n - 1) / MAX_BLOCK_SIZE;
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+    extract_hh_tau_c_kernel_real_double<<<grid_size, MAX_BLOCK_SIZE>>>(bcast_buffer_dev, hh_tau_dev, nbw, n, is_zero);
+#else
+    extract_hh_tau_c_kernel_real_single<<<grid_size, MAX_BLOCK_SIZE>>>(bcast_buffer_dev, hh_tau_dev, nbw, n, is_zero);
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+    extract_hh_tau_c_kernel_complex_double<<<grid_size, MAX_BLOCK_SIZE>>>(bcast_buffer_dev, hh_tau_dev, nbw, n, is_zero);
+#else
+    extract_hh_tau_c_kernel_complex_single<<<grid_size, MAX_BLOCK_SIZE>>>(bcast_buffer_dev, hh_tau_dev, nbw, n, is_zero);
+#endif
+#endif
+
+    err = cudaGetLastError();
+    if (err != cudaSuccess)
+    {
+        printf("\n extract _kernel failed %s \n", cudaGetErrorString(err));
+    }
+}
+
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+extern "C" void launch_my_unpack_c_kernel_real_double(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, double *row_group_dev, double *a_dev)
+#else
+extern "C" void launch_my_unpack_c_kernel_real_single(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, float *row_group_dev, float *a_dev)
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+extern "C" void launch_my_unpack_c_kernel_complex_double(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, cuDoubleComplex *row_group_dev, cuDoubleComplex *a_dev)
+#else
+extern "C" void launch_my_unpack_c_kernel_complex_single(const int row_count, const int n_offset, const int max_idx, const int stripe_width, const int a_dim2, const int stripe_count, const int l_nev, cuFloatComplex *row_group_dev, cuFloatComplex *a_dev)
+#endif
+#endif
+{
+    cudaError_t err;
+    dim3 grid_size = dim3(row_count, stripe_count, 1);
+    int blocksize = stripe_width > MAX_BLOCK_SIZE ? MAX_BLOCK_SIZE : stripe_width;
+
+    for (int i_off = 0; i_off < stripe_width / blocksize; i_off++)
+    {
+#if REALCASE == 1
+#ifdef DOUBLE_PRECISION_REAL
+        my_unpack_c_kernel_real_double<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, row_group_dev, a_dev, i_off);
+#else
+        my_unpack_c_kernel_real_single<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, row_group_dev, a_dev, i_off);
+#endif
+#endif
+#if COMPLEXCASE == 1
+#ifdef DOUBLE_PRECISION_COMPLEX
+        my_unpack_c_kernel_complex_double<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, row_group_dev, a_dev, i_off);
+#else
+        my_unpack_c_kernel_complex_single<<<grid_size, blocksize>>>(n_offset, max_idx, stripe_width, a_dim2, l_nev, row_group_dev, a_dev, i_off);
+#endif
+#endif
+    }
+
+    err = cudaGetLastError();
+    if (err != cudaSuccess)
+    {
+        printf("\n my_unpack_c_kernel failed %s \n", cudaGetErrorString(err));
+    }
+}
+
+#ifndef MEMCPY_ALREADY_DEFINED
+extern "C" int cuda_MemcpyDeviceToDevice(int val)
+{
+    val = cudaMemcpyDeviceToDevice;
+    return val;
+}
+#define MEMCPY_ALREADY_DEFINED 1
+#endif

src/GPU/ROCm/rocmFunctions.cpp

+//
+//    Copyright 2021, A. Marek
+//
+//    This file is part of ELPA.
+//
+//    The ELPA library was originally created by the ELPA consortium,
+//    consisting of the following organizations:
+//
+//    - Max Planck Computing and Data Facility (MPCDF), formerly known as
+//      Rechenzentrum Garching der Max-Planck-Gesellschaft (RZG),
+//    - Bergische Universität Wuppertal, Lehrstuhl für angewandte
+//      Informatik,
+//    - Technische Universität München, Lehrstuhl für Informatik mit
+//      Schwerpunkt Wissenschaftliches Rechnen ,
+//    - Fritz-Haber-Institut, Berlin, Abt. Theorie,
+//    - Max-Plack-Institut für Mathematik in den Naturwissenschaften,
+//      Leipzig, Abt. Komplexe Strukutren in Biologie und Kognition,
+//      and
+//    - IBM Deutschland GmbH
+//
+//    This particular source code file contains additions, changes and
+//    enhancements authored by Intel Corporation which is not part of
+//    the ELPA consortium.
+//
+//    More information can be found here:
+//    http://elpa.mpcdf.mpg.de/
+//
+//    ELPA is free software: you can redistribute it and/or modify
+//    it under the terms of the version 3 of the license of the
+//    GNU Lesser General Public License as published by the Free
+//    Software Foundation.
+//
+//    ELPA is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU Lesser General Public License for more details.
+//
+//    You should have received a copy of the GNU Lesser General Public License
+//    along with ELPA.  If not, see <http://www.gnu.org/licenses/>
+//
+//    ELPA reflects a substantial effort on the part of the original
+//    ELPA consortium, and we ask you to respect the spirit of the
+//    license that we chose: i.e., please contribute any changes you
+//    may have back to the original ELPA library distribution, and keep
+//    any derivatives of ELPA under the same license that we chose for
+//    the original distribution, the GNU Lesser General Public License.
+//
+//
+// --------------------------------------------------------------------------------------------------
+//
+// This file was written by A. Marek, MPCDF
+
+#include <stdio.h>
+#include <math.h>
+#include <stdio.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <alloca.h>
+#include <stdint.h>
+#include <complex.h>
+//missing header for rocblas
+//#include "rocblas.h"
+//#include "hip/hip_runtime_api.h"
+#include "config-f90.h"
+
+#define errormessage(x, ...) do { fprintf(stderr, "%s:%d " x, __FILE__, __LINE__, __VA_ARGS__ ); } while (0)
+
+#ifdef DEBUG_HIP
+#define debugmessage(x, ...) do { fprintf(stderr, "%s:%d " x, __FILE__, __LINE__, __VA_ARGS__ ); } while (0)
+#else
+#define debugmessage(x, ...)
+#endif
+
+#ifdef WITH_AMD_GPU_VERSION
+extern "C" {
+
+  int rocblasCreateFromC(intptr_t *handle) {
+//     printf("in c: %p\n", *cublas_handle);
+    *handle = (intptr_t) malloc(sizeof(rocblas_handle));
+//     printf("in c: %p\n", *cublas_handle);
+    rocblas_status status = rocblas_create_handle((rocblas_handle*) *handle);
+    if (status == rocblas_status_success) {
+//       printf("all OK\n");
+      return 1;
+    }
+    else if (status == rocblas_status_invalid_handle) {
+      errormessage("Error in rocblas_create_handle: %s\n", "the rocblas Runtime initialization failed");
+      return 0;
+    }
+    else if (status == rocblas_status_memory_error) {
+      errormessage("Error in rocblas_create_handle: %s\n", "the resources could not be allocated");
+      return 0;
+    }
+    else{
+      errormessage("Error in rocblas_create_handle: %s\n", "unknown error");
+      return 0;
+    }
+  }
+
+  int rocblasDestroyFromC(intptr_t *handle) {
+    rocblas_status status = rocblas_destroy_handle(*((rocblas_handle*) *handle));
+    *handle = (intptr_t) NULL;
+    if (status == rocblas_status_success) {
+//       printf("all OK\n");
+      return 1;
+    }
+    else if (status == rocblas_status_invalid_handle) {
+      errormessage("Error in rocblas_destroy_handle: %s\n", "the library has not been initialized");
+      return 0;
+    }
+    else{
+      errormessage("Error in rocblas_destroy_handle: %s\n", "unknown error");
+      return 0;
+    }
+  }
+
+  int hipSetDeviceFromC(int n) {
+
+    hipError_t hiperr = hipSetDevice(n);
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipSetDevice: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipGetDeviceCountFromC(int *count) {
+
+    hipError_t hiperr = hipGetDeviceCount(count);
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipGetDeviceCount: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipDeviceSynchronizeFromC() {
+
+    hipError_t hiperr = hipDeviceSynchronize();
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipDeviceSynchronize: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipMallocFromC(intptr_t *a, size_t width_height) {
+
+    hipError_t hiperr = hipMalloc((void **) a, width_height);
+#ifdef DEBUG_HIP
+    printf("HIP Malloc,  pointer address: %p, size: %d \n", *a, width_height);
+#endif
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipMalloc: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipFreeFromC(intptr_t *a) {
+#ifdef DEBUG_HIP
+    printf("HIP Free, pointer address: %p \n", a);
+#endif
+    hipError_t hiperr = hipFree(a);
+
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipFree: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipHostMallocFromC(intptr_t *a, size_t width_height) {
+
+    hipError_t hiperr = hipHostMalloc((void **) a, width_height, hipHostMallocMapped);
+#ifdef DEBUG_HIP
+    printf("MallocHost pointer address: %p \n", *a);
+#endif
+    if (hiperr != hipSuccess) {
+      errormessage("Error in hipHostMalloc: %s\n",hipGetErrorString(hiperr));
+      return 0;
+    }
+    return 1;
+  }
+
+  int hipHostFreeFromC(intptr_t *a) {
+#ifdef DEBUG_HIP