1 /* POWER8 gmp-mparam.h -- Compiler/machine parameter header file. 2 3 Copyright 2017 Free Software Foundation, Inc. 4 5 This file is part of the GNU MP Library. 6 7 The GNU MP Library is free software; you can redistribute it and/or modify 8 it under the terms of either: 9 10 * the GNU Lesser General Public License as published by the Free 11 Software Foundation; either version 3 of the License, or (at your 12 option) any later version. 13 14 or 15 16 * the GNU General Public License as published by the Free Software 17 Foundation; either version 2 of the License, or (at your option) any 18 later version. 19 20 or both in parallel, as here. 21 22 The GNU MP Library is distributed in the hope that it will be useful, but 23 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25 for more details. 26 27 You should have received copies of the GNU General Public License and the 28 GNU Lesser General Public License along with the GNU MP Library. If not, 29 see https://www.gnu.org/licenses/. */ 30 31 #define GMP_LIMB_BITS 64 32 #define GMP_LIMB_BYTES 8 33 34 /* 4150 MHz POWER8/SMT4 */ 35 /* FFT tuning limit = 0.5 M */ 36 /* Generated by tuneup.c, 2019-09-24, gcc 7.2 */ 37 38 #define MOD_1_NORM_THRESHOLD 0 /* always */ 39 #define MOD_1_UNNORM_THRESHOLD 0 /* always */ 40 #define MOD_1N_TO_MOD_1_1_THRESHOLD 7 41 #define MOD_1U_TO_MOD_1_1_THRESHOLD 6 42 #define MOD_1_1_TO_MOD_1_2_THRESHOLD 11 43 #define MOD_1_2_TO_MOD_1_4_THRESHOLD 22 44 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD 10 45 #define USE_PREINV_DIVREM_1 0 46 #define DIV_QR_1N_PI1_METHOD 2 /* 16.97% faster than 1 */ 47 #define DIV_QR_1_NORM_THRESHOLD 2 48 #define DIV_QR_1_UNNORM_THRESHOLD 1 49 #define DIV_QR_2_PI2_THRESHOLD 9 50 #define DIVEXACT_1_THRESHOLD 0 /* always (native) */ 51 #define BMOD_1_TO_MOD_1_THRESHOLD 34 52 53 #define DIV_1_VS_MUL_1_PERCENT 276 54 55 #define MUL_TOOM22_THRESHOLD 18 56 #define MUL_TOOM33_THRESHOLD 73 57 #define MUL_TOOM44_THRESHOLD 195 58 #define MUL_TOOM6H_THRESHOLD 278 59 #define MUL_TOOM8H_THRESHOLD 406 60 61 #define MUL_TOOM32_TO_TOOM43_THRESHOLD 73 62 #define MUL_TOOM32_TO_TOOM53_THRESHOLD 131 63 #define MUL_TOOM42_TO_TOOM53_THRESHOLD 121 64 #define MUL_TOOM42_TO_TOOM63_THRESHOLD 138 65 #define MUL_TOOM43_TO_TOOM54_THRESHOLD 106 66 67 #define SQR_BASECASE_THRESHOLD 0 /* always (native) */ 68 #define SQR_TOOM2_THRESHOLD 32 69 #define SQR_TOOM3_THRESHOLD 97 70 #define SQR_TOOM4_THRESHOLD 178 71 #define SQR_TOOM6_THRESHOLD 303 72 #define SQR_TOOM8_THRESHOLD 454 73 74 #define MULMID_TOOM42_THRESHOLD 42 75 76 #define MULMOD_BNM1_THRESHOLD 15 77 #define SQRMOD_BNM1_THRESHOLD 19 78 79 #define MUL_FFT_MODF_THRESHOLD 404 /* k = 5 */ 80 #define MUL_FFT_TABLE3 \ 81 { { 404, 5}, { 19, 6}, { 10, 5}, { 21, 6}, \ 82 { 21, 7}, { 11, 6}, { 23, 7}, { 12, 6}, \ 83 { 25, 7}, { 21, 8}, { 11, 7}, { 25, 8}, \ 84 { 13, 7}, { 27, 8}, { 15, 7}, { 31, 8}, \ 85 { 17, 7}, { 35, 8}, { 19, 7}, { 39, 8}, \ 86 { 21, 9}, { 11, 8}, { 27, 9}, { 15, 8}, \ 87 { 35, 9}, { 19, 8}, { 41, 9}, { 23, 8}, \ 88 { 47, 9}, { 27,10}, { 15, 9}, { 39,10}, \ 89 { 23, 9}, { 51,11}, { 15,10}, { 31, 9}, \ 90 { 63,10}, { 39, 9}, { 79,10}, { 47, 9}, \ 91 { 95,11}, { 31,10}, { 63, 9}, { 131,10}, \ 92 { 79,11}, { 47,10}, { 95,12}, { 31,11}, \ 93 { 63,10}, { 127, 9}, { 255,10}, { 135,11}, \ 94 { 79,10}, { 159,11}, { 95, 8}, { 767, 7}, \ 95 { 1599,11}, { 111,12}, { 63,11}, { 127,10}, \ 96 { 255, 9}, { 511,11}, { 143,10}, { 287, 9}, \ 97 { 575,11}, { 159,12}, { 95,11}, { 191,10}, \ 98 { 383,13}, { 8192,14}, { 16384,15}, { 32768,16}, \ 99 { 65536,17}, { 131072,18}, { 262144,19}, { 524288,20}, \ 100 {1048576,21}, {2097152,22}, {4194304,23}, {8388608,24} } 101 #define MUL_FFT_TABLE3_SIZE 80 102 #define MUL_FFT_THRESHOLD 4736 103 104 #define SQR_FFT_MODF_THRESHOLD 340 /* k = 5 */ 105 #define SQR_FFT_TABLE3 \ 106 { { 340, 5}, { 19, 6}, { 10, 5}, { 21, 6}, \ 107 { 21, 7}, { 11, 6}, { 23, 7}, { 21, 8}, \ 108 { 11, 7}, { 25, 8}, { 13, 7}, { 27, 8}, \ 109 { 15, 7}, { 31, 8}, { 21, 9}, { 11, 8}, \ 110 { 27, 9}, { 15, 8}, { 33, 9}, { 19, 8}, \ 111 { 41, 9}, { 23, 8}, { 47, 9}, { 27,10}, \ 112 { 15, 9}, { 39,10}, { 23, 9}, { 47,11}, \ 113 { 15,10}, { 31, 9}, { 67,10}, { 39, 9}, \ 114 { 79,10}, { 47,11}, { 31,10}, { 79,11}, \ 115 { 47,10}, { 95,12}, { 31,11}, { 63,10}, \ 116 { 127, 9}, { 255,11}, { 79, 9}, { 319,11}, \ 117 { 95,10}, { 191,12}, { 63,11}, { 127,10}, \ 118 { 255, 9}, { 511,10}, { 271,11}, { 143,10}, \ 119 { 287, 9}, { 575,10}, { 303, 9}, { 607,10}, \ 120 { 319,12}, { 95,11}, { 191,10}, { 383,13}, \ 121 { 8192,14}, { 16384,15}, { 32768,16}, { 65536,17}, \ 122 { 131072,18}, { 262144,19}, { 524288,20}, {1048576,21}, \ 123 {2097152,22}, {4194304,23}, {8388608,24} } 124 #define SQR_FFT_TABLE3_SIZE 71 125 #define SQR_FFT_THRESHOLD 3264 126 127 #define MULLO_BASECASE_THRESHOLD 3 128 #define MULLO_DC_THRESHOLD 33 129 #define MULLO_MUL_N_THRESHOLD 9174 130 #define SQRLO_BASECASE_THRESHOLD 0 /* always */ 131 #define SQRLO_DC_THRESHOLD 114 132 #define SQRLO_SQR_THRESHOLD 6461 133 134 #define DC_DIV_QR_THRESHOLD 38 135 #define DC_DIVAPPR_Q_THRESHOLD 158 136 #define DC_BDIV_QR_THRESHOLD 48 137 #define DC_BDIV_Q_THRESHOLD 112 138 139 #define INV_MULMOD_BNM1_THRESHOLD 74 140 #define INV_NEWTON_THRESHOLD 132 141 #define INV_APPR_THRESHOLD 131 142 143 #define BINV_NEWTON_THRESHOLD 278 144 #define REDC_1_TO_REDC_2_THRESHOLD 56 145 #define REDC_2_TO_REDC_N_THRESHOLD 0 /* always */ 146 147 #define MU_DIV_QR_THRESHOLD 1142 148 #define MU_DIVAPPR_Q_THRESHOLD 1142 149 #define MUPI_DIV_QR_THRESHOLD 46 150 #define MU_BDIV_QR_THRESHOLD 1142 151 #define MU_BDIV_Q_THRESHOLD 1470 152 153 #define POWM_SEC_TABLE 3,19,117,672,1867 154 155 #define GET_STR_DC_THRESHOLD 11 156 #define GET_STR_PRECOMPUTE_THRESHOLD 18 157 #define SET_STR_DC_THRESHOLD 608 158 #define SET_STR_PRECOMPUTE_THRESHOLD 2405 159 160 #define FAC_DSC_THRESHOLD 164 161 #define FAC_ODD_THRESHOLD 0 /* always */ 162 163 #define MATRIX22_STRASSEN_THRESHOLD 14 164 #define HGCD2_DIV1_METHOD 1 /* 6.88% faster than 3 */ 165 #define HGCD_THRESHOLD 114 166 #define HGCD_APPR_THRESHOLD 118 167 #define HGCD_REDUCE_THRESHOLD 2205 168 #define GCD_DC_THRESHOLD 440 169 #define GCDEXT_DC_THRESHOLD 345 170 #define JACOBI_BASE_METHOD 1 /* 0.74% faster than 4 */ 171