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      1 /* gmp-mparam.h -- Compiler/machine parameter header file.
      2 
      3 Copyright 2019 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 /* 900MHz Itanium2 (olympic.gmplib.org) */
     35 /* FFT tuning limit = 59,194,709 */
     36 /* Generated by tuneup.c, 2019-10-13, gcc 4.2 */
     37 
     38 #define MOD_1_1P_METHOD                      2  /* 17.40% faster than 1 */
     39 #define MOD_1_NORM_THRESHOLD                 0  /* always */
     40 #define MOD_1_UNNORM_THRESHOLD               0  /* always */
     41 #define MOD_1N_TO_MOD_1_1_THRESHOLD          8
     42 #define MOD_1U_TO_MOD_1_1_THRESHOLD          6
     43 #define MOD_1_1_TO_MOD_1_2_THRESHOLD        18
     44 #define MOD_1_2_TO_MOD_1_4_THRESHOLD         0  /* never mpn_mod_1s_2p */
     45 #define PREINV_MOD_1_TO_MOD_1_THRESHOLD     13
     46 #define USE_PREINV_DIVREM_1                  1  /* native */
     47 #define DIV_QR_1N_PI1_METHOD                 1  /* 1.35% faster than 2 */
     48 #define DIV_QR_1_NORM_THRESHOLD          MP_SIZE_T_MAX  /* never */
     49 #define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
     50 #define DIV_QR_2_PI2_THRESHOLD              10
     51 #define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
     52 #define BMOD_1_TO_MOD_1_THRESHOLD        MP_SIZE_T_MAX  /* never */
     53 
     54 #define DIV_1_VS_MUL_1_PERCENT             316
     55 
     56 #define MUL_TOOM22_THRESHOLD                47
     57 #define MUL_TOOM33_THRESHOLD                89
     58 #define MUL_TOOM44_THRESHOLD               220
     59 #define MUL_TOOM6H_THRESHOLD               327
     60 #define MUL_TOOM8H_THRESHOLD               454
     61 
     62 #define MUL_TOOM32_TO_TOOM43_THRESHOLD      97
     63 #define MUL_TOOM32_TO_TOOM53_THRESHOLD     153
     64 #define MUL_TOOM42_TO_TOOM53_THRESHOLD     143
     65 #define MUL_TOOM42_TO_TOOM63_THRESHOLD     153
     66 #define MUL_TOOM43_TO_TOOM54_THRESHOLD     226
     67 
     68 #define SQR_BASECASE_THRESHOLD              11
     69 #define SQR_TOOM2_THRESHOLD                 98
     70 #define SQR_TOOM3_THRESHOLD                135
     71 #define SQR_TOOM4_THRESHOLD                272
     72 #define SQR_TOOM6_THRESHOLD                354
     73 #define SQR_TOOM8_THRESHOLD                490
     74 
     75 #define MULMID_TOOM42_THRESHOLD             99
     76 
     77 #define MULMOD_BNM1_THRESHOLD               23
     78 #define SQRMOD_BNM1_THRESHOLD               27
     79 
     80 #define MUL_FFT_MODF_THRESHOLD             840  /* k = 5 */
     81 #define MUL_FFT_TABLE3                                      \
     82   { {    840, 5}, {     30, 6}, {     16, 5}, {     33, 6}, \
     83     {     17, 5}, {     36, 6}, {     35, 7}, {     18, 6}, \
     84     {     37, 7}, {     19, 6}, {     42, 7}, {     37, 8}, \
     85     {     19, 7}, {     43, 8}, {     23, 7}, {     47, 8}, \
     86     {     43, 9}, {     23, 8}, {     51, 9}, {     27, 8}, \
     87     {     57, 9}, {     31, 8}, {     63, 9}, {     35, 8}, \
     88     {     71, 9}, {     43,10}, {     23, 9}, {     55,10}, \
     89     {     31, 9}, {     71,10}, {     39, 9}, {     83,10}, \
     90     {     47, 9}, {     99,10}, {     55,11}, {     31,10}, \
     91     {     87,11}, {     47,10}, {    111,12}, {     31,11}, \
     92     {     63,10}, {    135,11}, {     79,10}, {    167,11}, \
     93     {     95,10}, {    191,11}, {    111,12}, {     63,11}, \
     94     {    143,10}, {    287,11}, {    159,12}, {     95,11}, \
     95     {    207,13}, {     63,12}, {    127,11}, {    271,12}, \
     96     {    159,11}, {    335,10}, {    671,12}, {    191,10}, \
     97     {    799,12}, {    223,13}, {    127,12}, {    287,11}, \
     98     {    607,12}, {    319,11}, {    671,13}, {    191,12}, \
     99     {    383,11}, {    799,10}, {   1599,12}, {    415,11}, \
    100     {    863,14}, {    127,13}, {    255,12}, {    543,11}, \
    101     {   1119,12}, {    607,13}, {    319,12}, {    735,11}, \
    102     {   1471,12}, {    863,13}, {    447,12}, {    927,11}, \
    103     {   1855,12}, {    959,14}, {    255,13}, {    511,12}, \
    104     {   1055,11}, {   2111,12}, {   1119,13}, {    575,12}, \
    105     {   1247,13}, {    639,12}, {   1311,13}, {    703,12}, \
    106     {   1471,13}, {    831,12}, {   1727,13}, {    895,12}, \
    107     {   1791,13}, {    959,15}, {    255,14}, {    511,13}, \
    108     {   1087,12}, {   2239,13}, {   1215,14}, {    639,13}, \
    109     {   1471,14}, {    767,13}, {   1727,14}, {    895,13}, \
    110     {   1855,12}, {   3711,13}, {   1919,15}, {    511,14}, \
    111     {   1023,13}, {   2111,12}, {   4223,13}, {   2175,14}, \
    112     {   1151,13}, {   2495,14}, {   1279,13}, {   2623,14}, \
    113     {   1407,15}, {    767,14}, {   1663,13}, {   3455,14}, \
    114     {   1919,16}, {    511,15}, {   1023,14}, {   2175,13}, \
    115     {   4479,14}, {   2431,15}, {   1279,14}, {   2943,15}, \
    116     {   1535,14}, {   3455,15}, {   1791,14}, {  16384,15}, \
    117     {  32768,16}, {  65536,17}, { 131072,18}, { 262144,19}, \
    118     { 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
    119     {8388608,24} }
    120 #define MUL_FFT_TABLE3_SIZE 149
    121 #define MUL_FFT_THRESHOLD                 8576
    122 
    123 #define SQR_FFT_MODF_THRESHOLD             765  /* k = 5 */
    124 #define SQR_FFT_TABLE3                                      \
    125   { {    765, 5}, {     36, 6}, {     37, 7}, {     19, 6}, \
    126     {     42, 7}, {     43, 8}, {     37, 9}, {     19, 8}, \
    127     {     43, 9}, {     23, 8}, {     49, 9}, {     27, 8}, \
    128     {     57, 9}, {     43,10}, {     23, 9}, {     55,10}, \
    129     {     31, 9}, {     71,10}, {     39, 9}, {     83,10}, \
    130     {     47, 9}, {     99,10}, {     55,11}, {     31,10}, \
    131     {     87,11}, {     47,10}, {    111,12}, {     31,11}, \
    132     {     63,10}, {    135,11}, {     79,10}, {    175,11}, \
    133     {     95,10}, {    199,11}, {    111,12}, {     63,11}, \
    134     {    159,12}, {     95,11}, {    191,10}, {    399,11}, \
    135     {    207,13}, {     63,12}, {    127,10}, {    511, 9}, \
    136     {   1023,10}, {    527,11}, {    271,12}, {    159,10}, \
    137     {    703,12}, {    191,11}, {    399,10}, {    799,11}, \
    138     {    431,12}, {    223,13}, {    127,12}, {    255,11}, \
    139     {    527,10}, {   1055,11}, {    559,12}, {    287,11}, \
    140     {    607,10}, {   1215,11}, {    703,13}, {    191,12}, \
    141     {    383,11}, {    799,12}, {    415,11}, {    863,12}, \
    142     {    447,14}, {    127,13}, {    255,12}, {    511,11}, \
    143     {   1055,12}, {    543,11}, {   1119,12}, {    607,11}, \
    144     {   1215,12}, {    735,13}, {    383,12}, {    799,11}, \
    145     {   1599,12}, {    863,13}, {    447,12}, {    991,14}, \
    146     {    255,13}, {    511,12}, {   1055,11}, {   2111,12}, \
    147     {   1119,13}, {    575,12}, {   1215,13}, {    639,12}, \
    148     {   1311,13}, {    703,12}, {   1407,14}, {    383,13}, \
    149     {    767,12}, {   1599,13}, {    831,12}, {   1727,13}, \
    150     {    895,12}, {   1791,13}, {    959,12}, {   1919,15}, \
    151     {    255,14}, {    511,13}, {   1023,12}, {   2047,13}, \
    152     {   1087,12}, {   2239,13}, {   1151,12}, {   2303,13}, \
    153     {   1215,14}, {    639,13}, {   1279,12}, {   2559,13}, \
    154     {   1471,14}, {    767,13}, {   1727,14}, {    895,13}, \
    155     {   1919,15}, {    511,14}, {   1023,13}, {   2239,14}, \
    156     {   1151,13}, {   2495,14}, {   1279,13}, {   2623,14}, \
    157     {   1407,15}, {    767,14}, {   1663,13}, {   3455,14}, \
    158     {   1919,16}, {    511,15}, {   1023,14}, {   2175,13}, \
    159     {   4479,14}, {   2431,15}, {   1279,14}, {   2943,15}, \
    160     {   1535,14}, {   3455,15}, {   1791,14}, {  16384,15}, \
    161     {  32768,16}, {  65536,17}, { 131072,18}, { 262144,19}, \
    162     { 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
    163     {8388608,24} }
    164 #define SQR_FFT_TABLE3_SIZE 153
    165 #define SQR_FFT_THRESHOLD                 6272
    166 
    167 #define MULLO_BASECASE_THRESHOLD            39
    168 #define MULLO_DC_THRESHOLD                   0  /* never mpn_mullo_basecase */
    169 #define MULLO_MUL_N_THRESHOLD            17050
    170 #define SQRLO_BASECASE_THRESHOLD             0  /* always */
    171 #define SQRLO_DC_THRESHOLD                 134
    172 #define SQRLO_SQR_THRESHOLD              12322
    173 
    174 #define DC_DIV_QR_THRESHOLD                 73
    175 #define DC_DIVAPPR_Q_THRESHOLD             262
    176 #define DC_BDIV_QR_THRESHOLD               111
    177 #define DC_BDIV_Q_THRESHOLD                315
    178 
    179 #define INV_MULMOD_BNM1_THRESHOLD           92
    180 #define INV_NEWTON_THRESHOLD                15
    181 #define INV_APPR_THRESHOLD                  17
    182 
    183 #define BINV_NEWTON_THRESHOLD              280
    184 #define REDC_1_TO_REDC_2_THRESHOLD           0  /* always */
    185 #define REDC_2_TO_REDC_N_THRESHOLD         172
    186 
    187 #define MU_DIV_QR_THRESHOLD               1470
    188 #define MU_DIVAPPR_Q_THRESHOLD            1210
    189 #define MUPI_DIV_QR_THRESHOLD                0  /* always */
    190 #define MU_BDIV_QR_THRESHOLD              1566
    191 #define MU_BDIV_Q_THRESHOLD               1787
    192 
    193 #define POWM_SEC_TABLE  3,22,139,1867
    194 
    195 #define GET_STR_DC_THRESHOLD                14
    196 #define GET_STR_PRECOMPUTE_THRESHOLD        42
    197 #define SET_STR_DC_THRESHOLD              1339
    198 #define SET_STR_PRECOMPUTE_THRESHOLD      3934
    199 
    200 #define FAC_DSC_THRESHOLD                  866
    201 #define FAC_ODD_THRESHOLD                    0  /* always */
    202 
    203 #define MATRIX22_STRASSEN_THRESHOLD         20
    204 #define HGCD2_DIV1_METHOD                    3  /* 13.73% faster than 1 */
    205 #define HGCD_THRESHOLD                     129
    206 #define HGCD_APPR_THRESHOLD                202
    207 #define HGCD_REDUCE_THRESHOLD             4455
    208 #define GCD_DC_THRESHOLD                   658
    209 #define GCDEXT_DC_THRESHOLD                469
    210 #define JACOBI_BASE_METHOD                   2  /* 0.62% faster than 4 */
    211 
    212 /* Tuneup completed successfully, took 199042 seconds */
    213