Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

/* Skylake gmp-mparam.h -- Compiler/machine parameter header file.

Copyright 2019 Free Software Foundation, Inc.

This file is part of the GNU MP Library.

The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of either:

  * the GNU Lesser General Public License as published by the Free
    Software Foundation; either version 3 of the License, or (at your
    option) any later version.

or

  * the GNU General Public License as published by the Free Software
    Foundation; either version 2 of the License, or (at your option) any
    later version.

or both in parallel, as here.

The GNU MP Library 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 General Public License
for more details.

You should have received copies of the GNU General Public License and the
GNU Lesser General Public License along with the GNU MP Library.  If not,
see https://www.gnu.org/licenses/.  */

#define GMP_LIMB_BITS 64
#define GMP_LIMB_BYTES 8

/* Disable use of slow functions.  FIXME: We should disable lib inclusion.  */
#undef HAVE_NATIVE_mpn_mul_2
#undef HAVE_NATIVE_mpn_addmul_2

/* 3600-4000 MHz Intel Xeon E3-1270v5 Skylake */
/* FFT tuning limit = 465,990,371 */
/* Generated by tuneup.c, 2019-10-18, gcc 8.3 */
/* FFT_TABLEs merged with a new run, 2020-09-25, fft_max_size 1000000000 */

#define MOD_1_NORM_THRESHOLD                 0  /* always */
#define MOD_1_UNNORM_THRESHOLD               0  /* always */
#define MOD_1N_TO_MOD_1_1_THRESHOLD          4
#define MOD_1U_TO_MOD_1_1_THRESHOLD          3
#define MOD_1_1_TO_MOD_1_2_THRESHOLD        13
#define MOD_1_2_TO_MOD_1_4_THRESHOLD        32
#define PREINV_MOD_1_TO_MOD_1_THRESHOLD      9
#define USE_PREINV_DIVREM_1                  1  /* native */
#define DIV_QR_1_NORM_THRESHOLD              1
#define DIV_QR_1_UNNORM_THRESHOLD        MP_SIZE_T_MAX  /* never */
#define DIV_QR_2_PI2_THRESHOLD              41
#define DIVEXACT_1_THRESHOLD                 0  /* always (native) */
#define BMOD_1_TO_MOD_1_THRESHOLD           20

#define DIV_1_VS_MUL_1_PERCENT             473

#define MUL_TOOM22_THRESHOLD                26
#define MUL_TOOM33_THRESHOLD                73
#define MUL_TOOM44_THRESHOLD               208
#define MUL_TOOM6H_THRESHOLD               300
#define MUL_TOOM8H_THRESHOLD               406

#define MUL_TOOM32_TO_TOOM43_THRESHOLD      73
#define MUL_TOOM32_TO_TOOM53_THRESHOLD     153
#define MUL_TOOM42_TO_TOOM53_THRESHOLD     137
#define MUL_TOOM42_TO_TOOM63_THRESHOLD     151
#define MUL_TOOM43_TO_TOOM54_THRESHOLD     106

#define SQR_BASECASE_THRESHOLD               0  /* always (native) */
#define SQR_TOOM2_THRESHOLD                 32
#define SQR_TOOM3_THRESHOLD                117
#define SQR_TOOM4_THRESHOLD                336
#define SQR_TOOM6_THRESHOLD                426
#define SQR_TOOM8_THRESHOLD                547

#define MULMID_TOOM42_THRESHOLD             46

#define MULMOD_BNM1_THRESHOLD               15
#define SQRMOD_BNM1_THRESHOLD               17

#define MUL_FFT_MODF_THRESHOLD             404  /* k = 5 */
#define MUL_FFT_TABLE3                                      \
  { {    404, 5}, {     21, 6}, {     11, 5}, {     23, 6}, \
    {     12, 5}, {     25, 6}, {     28, 7}, {     15, 6}, \
    {     31, 7}, {     21, 8}, {     11, 7}, {     25, 8}, \
    {     13, 7}, {     28, 8}, {     15, 7}, {     32, 8}, \
    {     17, 7}, {     35, 8}, {     19, 7}, {     39, 8}, \
    {     21, 9}, {     11, 8}, {     23, 7}, {     47, 8}, \
    {     27, 9}, {     15, 8}, {     35, 9}, {     19, 8}, \
    {     41, 9}, {     23, 8}, {     49, 9}, {     27,10}, \
    {     15, 9}, {     39, 8}, {     79, 9}, {     43,10}, \
    {     23, 9}, {     55,11}, {     15,10}, {     31, 9}, \
    {     71,10}, {     39, 9}, {     83,10}, {     47, 9}, \
    {     99,10}, {     55,11}, {     31,10}, {     79,11}, \
    {     47,10}, {    103,12}, {     31,11}, {     63,10}, \
    {    135,11}, {     79,10}, {    167,11}, {     95,10}, \
    {    191, 9}, {    383,10}, {    199,11}, {    111,12}, \
    {     63,11}, {    127,10}, {    255, 9}, {    511,10}, \
    {    271, 9}, {    543,11}, {    143,10}, {    287, 9}, \
    {    575,11}, {    159,12}, {     95,11}, {    191,10}, \
    {    383,13}, {     63,12}, {    127,11}, {    255,10}, \
    {    511,11}, {    271,10}, {    543,11}, {    287,10}, \
    {    575,11}, {    303,12}, {    159,11}, {    319,10}, \
    {    639,11}, {    335,10}, {    671,11}, {    351,10}, \
    {    703,12}, {    191,11}, {    383,10}, {    767,11}, \
    {    415,12}, {    223,11}, {    447,13}, {    127,12}, \
    {    255,11}, {    543,12}, {    287,11}, {    607,12}, \
    {    319,11}, {    671,12}, {    351,11}, {    703,13}, \
    {    191,12}, {    383,11}, {    767,12}, {    415,11}, \
    {    831,12}, {    479,14}, {    127,13}, {    255,12}, \
    {    543,11}, {   1087,12}, {    607,13}, {    319,12}, \
    {    671,11}, {   1343,12}, {    703,13}, {    383,12}, \
    {    831,13}, {    447,12}, {    959,13}, {    511,12}, \
    {   1087,13}, {    575,12}, {   1151,13}, {    639,12}, \
    {   1343,13}, {    703,14}, {    383,13}, {    767,12}, \
    {   1535,13}, {    831,12}, {   1727,13}, {    959,14}, \
    {    511,13}, {   1087,12}, {   2175,13}, {   1151,14}, \
    {    639,13}, {   1343,12}, {   2687,13}, {   1407,14}, \
    {    767,13}, {   1599,12}, {   3199,13}, {   1663,14}, \
    {    895,13}, {   1791,15}, {    511,14}, {   1023,13}, \
    {   2175,14}, {   1151,13}, {   2431,12}, {   4863,14}, \
    {   1279,13}, {   2687,14}, {   1407,13}, {   2815,15}, \
    {    767,14}, {   1535,13}, {   3199,14}, {   1663,13}, \
    {   3455,12}, {   6911,14}, {   1791,16}, {    511,15}, \
    {   1023,14}, {   2175,13}, {   4351,14}, {   2431,13}, \
    {   4863,15}, {   1279,14}, {   2943,13}, {   5887,15}, \
    {   1535,14}, {   3455,13}, {   6911,15}, {   1791,14}, \
    {   3839,13}, {   7679,16}, {   1023,15}, {   2047,14}, \
    {   4223,15}, {   2303,14}, {   4863,15}, {   2559,14}, \
    {   5247,15}, {   2815,14}, {   5887,16}, {   1535,15}, \
    {   3327,14}, {   6911,15}, {   3839,14}, {   7679,17}, \
    {   1023,16}, {   2047,15}, {   4351,14}, {   8703,15}, \
    {   4863,16}, {   2559,15}, {   5887,14}, {  11775,16}, \
    {   3071,15}, {   6911,16}, {   3583,15}, {   7679,14}, \
    {  15359,15}, {   7935,17}, {   2047,16}, {   4095,15}, \
    {   8703,16}, {   4607,15}, {   9983,14}, {  19967,16}, \
    {   5631,15}, {  11775,17}, {   3071,16}, \
    {   7679,15}, {  15359,18}, {   2047,17}, {   4095,16}, \
    {   9727,15}, {  19967,17}, {   5119,16}, {  11775,15}, \
    {  24063,17}, {   6143,16}, {  12799,17}, {   7167,16}, \
    {  65536,17}, { 131072,18}, { 262144,19}, { 524288,20}, \
    {1048576,21}, {2097152,22}, {4194304,23}, {8388608,24} }
#define MUL_FFT_TABLE3_SIZE 239
#define MUL_FFT_THRESHOLD                 6272

#define SQR_FFT_MODF_THRESHOLD             400  /* k = 5 */
#define SQR_FFT_TABLE3                                      \
  { {    400, 5}, {     25, 6}, {     13, 5}, {     27, 6}, \
    {     29, 7}, {     15, 6}, {     31, 7}, {     28, 8}, \
    {     15, 7}, {     32, 8}, {     17, 7}, {     35, 8}, \
    {     19, 7}, {     39, 8}, {     27, 9}, {     15, 8}, \
    {     33, 9}, {     19, 8}, {     39, 9}, {     23, 8}, \
    {     47, 9}, {     27,10}, {     15, 9}, {     39,10}, \
    {     23, 9}, {     51,11}, {     15,10}, {     31, 9}, \
    {     67,10}, {     39, 9}, {     79,10}, {     55,11}, \
    {     31,10}, {     79,11}, {     47,10}, {     95,12}, \
    {     31,11}, {     63,10}, {    135,11}, {     79,10}, \
    {    159, 9}, {    319,11}, {     95,12}, {     63,11}, \
    {    127,10}, {    255, 9}, {    511,10}, {    271,11}, \
    {    143,10}, {    287, 9}, {    575,10}, {    303,11}, \
    {    159,10}, {    319,12}, {     95,10}, {    383,13}, \
    {     63,12}, {    127,11}, {    255,10}, {    511,11}, \
    {    271,10}, {    543,11}, {    287,10}, {    575,11}, \
    {    303,10}, {    607,12}, {    159,11}, {    319,10}, \
    {    639,11}, {    335,10}, {    671,11}, {    351,10}, \
    {    703,11}, {    367,10}, {    735,11}, {    383,10}, \
    {    767,11}, {    415,10}, {    831,12}, {    223,11}, \
    {    479,13}, {    127,12}, {    255,11}, {    543,12}, \
    {    287,11}, {    607,12}, {    319,11}, {    671,12}, \
    {    351,11}, {    735,12}, {    383,11}, {    799,12}, \
    {    415,11}, {    831,12}, {    479,14}, {    127,13}, \
    {    255,12}, {    511,11}, {   1023,12}, {    607,13}, \
    {    319,12}, {    735,13}, {    383,12}, {    831,13}, \
    {    447,12}, {    959,13}, {    511,12}, {   1023,13}, \
    {    575,12}, {   1151,13}, {    639,12}, {   1279,13}, \
    {    703,12}, {   1407,14}, {    383,13}, {    767,12}, \
    {   1535,13}, {    831,12}, {   1727,13}, {    895,12}, \
    {   1791,13}, {    959,14}, {    511,13}, {   1087,12}, \
    {   2175,13}, {   1151,14}, {    639,13}, {   1343,12}, \
    {   2687,13}, {   1407,14}, {    767,13}, {   1599,12}, \
    {   3199,13}, {   1663,14}, {    895,13}, {   1791,15}, \
    {    511,14}, {   1023,13}, {   2175,14}, {   1151,13}, \
    {   2431,12}, {   4863,14}, {   1279,13}, {   2687,14}, \
    {   1407,15}, {    767,14}, {   1535,13}, {   3199,14}, \
    {   1663,13}, {   3455,14}, {   1791,16}, {    511,15}, \
    {   1023,14}, {   2431,13}, {   4863,15}, {   1279,14}, \
    {   2943,13}, {   5887,15}, {   1535,14}, {   3455,15}, \
    {   1791,14}, {   3839,16}, {   1023,15}, {   2047,14}, \
    {   4223,15}, {   2303,14}, {   4863,15}, {   2559,14}, \
    {   5119,15}, {   2815,14}, {   5887,16}, {   1535,15}, \
    {   3071,14}, {   6143,15}, {   3327,14}, {   6911,15}, \
    {   3839,17}, {   1023,16}, {   2047,15}, {   4863,16}, \
    {   2559,15}, {   5887,14}, {  11775,16}, {   3071,15}, \
    {   6911,16}, {   3583,15}, {   7679,14}, {  15359,17}, \
    {   2047,16}, {   4095,15}, {   8191,16}, {   4607,15}, \
    {   9983,14}, {  19967,16}, {   5631,15}, {  11775,17}, \
    {   3071,16}, {   7679,15}, {  15359,18}, {   2047,17}, \
    {   4095,16}, {   9727,15}, {  19967,17}, {   5119,16}, \
    {  11775,15}, {  23551,17}, {   6143,16}, {  12799,17}, \
    {   7167,16}, {  65536,17}, { 131072,18}, { 262144,19}, \
    { 524288,20}, {1048576,21}, {2097152,22}, {4194304,23}, \
    {8388608,24} }
#define SQR_FFT_TABLE3_SIZE 217
#define SQR_FFT_THRESHOLD                 4224

#define MULLO_BASECASE_THRESHOLD             0  /* always */
#define MULLO_DC_THRESHOLD                  79
#define MULLO_MUL_N_THRESHOLD            11278
#define SQRLO_BASECASE_THRESHOLD            10
#define SQRLO_DC_THRESHOLD                 109
#define SQRLO_SQR_THRESHOLD               8207

#define DC_DIV_QR_THRESHOLD                 55
#define DC_DIVAPPR_Q_THRESHOLD             179
#define DC_BDIV_QR_THRESHOLD                82
#define DC_BDIV_Q_THRESHOLD                166

#define INV_MULMOD_BNM1_THRESHOLD           50
#define INV_NEWTON_THRESHOLD               170
#define INV_APPR_THRESHOLD                 171

#define BINV_NEWTON_THRESHOLD              294
#define REDC_1_TO_REDC_2_THRESHOLD          33
#define REDC_2_TO_REDC_N_THRESHOLD          59

#define MU_DIV_QR_THRESHOLD               1528
#define MU_DIVAPPR_Q_THRESHOLD            1589
#define MUPI_DIV_QR_THRESHOLD               62
#define MU_BDIV_QR_THRESHOLD              1470
#define MU_BDIV_Q_THRESHOLD               1597

#define POWM_SEC_TABLE  2,8,191,452,904

#define GET_STR_DC_THRESHOLD                12
#define GET_STR_PRECOMPUTE_THRESHOLD        19
#define SET_STR_DC_THRESHOLD               898
#define SET_STR_PRECOMPUTE_THRESHOLD      1670

#define FAC_DSC_THRESHOLD                  474
#define FAC_ODD_THRESHOLD                    0  /* always */

#define MATRIX22_STRASSEN_THRESHOLD         16
#define HGCD2_DIV1_METHOD                    5  /* 3.85% faster than 3 */
#define HGCD_THRESHOLD                      64
#define HGCD_APPR_THRESHOLD                 60
#define HGCD_REDUCE_THRESHOLD             2681
#define GCD_DC_THRESHOLD                   618
#define GCDEXT_DC_THRESHOLD                321
#define JACOBI_BASE_METHOD                   1  /* 12.01% faster than 4 */

/* Tuneup completed successfully, took 213784 seconds */