| Austin Schuh | 9049e20 | 2022-02-20 17:34:16 -0800 | [diff] [blame^] | 1 | #include "lib_handler.h" |
| 2 | #include "pardiso_loader.h" |
| 3 | |
| 4 | #include "glob_opts.h" |
| 5 | #include "constants.h" |
| 6 | |
| 7 | #ifdef IS_WINDOWS |
| 8 | #define PARDISOLIBNAME "mkl_rt." SHAREDLIBEXT |
| 9 | #else |
| 10 | #define PARDISOLIBNAME "libmkl_rt." SHAREDLIBEXT |
| 11 | #endif |
| 12 | |
| 13 | typedef void (*voidfun)(void); |
| 14 | |
| 15 | voidfun lh_load_sym (soHandle_t h, const char *symName); |
| 16 | |
| 17 | |
| 18 | // Interfaces for Pardiso functions |
| 19 | typedef void (*pardiso_t)(void**, const c_int*, const c_int*, const c_int*, |
| 20 | const c_int*, const c_int*, const c_float*, |
| 21 | const c_int*, const c_int*, c_int*, |
| 22 | const c_int*, c_int*, const c_int*, c_float*, |
| 23 | c_float*, c_int*); |
| 24 | typedef int (*mkl_set_ifl_t)(int); |
| 25 | typedef int (*mkl_get_mt_t)(); |
| 26 | |
| 27 | |
| 28 | // Handlers are static variables |
| 29 | static soHandle_t Pardiso_handle = OSQP_NULL; |
| 30 | static pardiso_t func_pardiso = OSQP_NULL; |
| 31 | static mkl_set_ifl_t func_mkl_set_interface_layer = OSQP_NULL; |
| 32 | static mkl_get_mt_t func_mkl_get_max_threads = OSQP_NULL; |
| 33 | |
| 34 | // Wrappers for loaded Pardiso function handlers |
| 35 | void pardiso(void** pt, const c_int* maxfct, const c_int* mnum, |
| 36 | const c_int* mtype, const c_int* phase, const c_int* n, |
| 37 | const c_float* a, const c_int* ia, const c_int* ja, |
| 38 | c_int* perm, const c_int* nrhs, c_int* iparm, |
| 39 | const c_int* msglvl, c_float* b, c_float* x, |
| 40 | c_int* error) { |
| 41 | if(func_pardiso){ |
| 42 | // Call function pardiso only if it has been initialized |
| 43 | func_pardiso(pt, maxfct, mnum, mtype, phase, n, a, ia, ja, |
| 44 | perm, nrhs, iparm, msglvl, b, x, error); |
| 45 | } |
| 46 | else |
| 47 | { |
| 48 | #ifdef PRINTING |
| 49 | c_eprint("Pardiso not loaded correctly"); |
| 50 | #endif |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | c_int mkl_set_interface_layer(c_int code) { |
| 55 | return (c_int)func_mkl_set_interface_layer((int)code); |
| 56 | } |
| 57 | |
| 58 | c_int mkl_get_max_threads() { |
| 59 | return (c_int)func_mkl_get_max_threads(); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | c_int lh_load_pardiso(const char* libname) { |
| 64 | // DEBUG |
| 65 | // if (Pardiso_handle) return 0; |
| 66 | |
| 67 | // Load Pardiso library |
| 68 | if (libname) { |
| 69 | Pardiso_handle = lh_load_lib(libname); |
| 70 | } else { /* try a default library name */ |
| 71 | Pardiso_handle = lh_load_lib(PARDISOLIBNAME); |
| 72 | } |
| 73 | if (!Pardiso_handle) return 1; |
| 74 | |
| 75 | // Load Pardiso functions |
| 76 | func_pardiso = (pardiso_t)lh_load_sym(Pardiso_handle, "pardiso"); |
| 77 | if (!func_pardiso) return 1; |
| 78 | |
| 79 | func_mkl_set_interface_layer = (mkl_set_ifl_t)lh_load_sym(Pardiso_handle, |
| 80 | "MKL_Set_Interface_Layer"); |
| 81 | if (!func_mkl_set_interface_layer) return 1; |
| 82 | |
| 83 | func_mkl_get_max_threads = (mkl_get_mt_t)lh_load_sym(Pardiso_handle, |
| 84 | "MKL_Get_Max_Threads"); |
| 85 | if (!func_mkl_get_max_threads) return 1; |
| 86 | |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | c_int lh_unload_pardiso() { |
| 91 | |
| 92 | if (Pardiso_handle == OSQP_NULL) return 0; |
| 93 | |
| 94 | return lh_unload_lib(Pardiso_handle); |
| 95 | |
| 96 | /* If multiple OSQP objects are laoded, the lines below cause a crash */ |
| 97 | // Pardiso_handle = OSQP_NULL; |
| 98 | // func_pardiso = OSQP_NULL; |
| 99 | // func_mkl_set_interface_layer = OSQP_NULL; |
| 100 | // func_mkl_get_max_threads = OSQP_NULL; |
| 101 | |
| 102 | } |