On Friday, March 28, 2014 12:18:34 PM UTC, Bill Hart wrote:
>
> This is now all the tuning values for x86_64 one, with the exception of
> ivybridge, piledriver and haswell. But these are still pretty rare so I'm
> not really expecting anyone to give values for those.
>
Ivy Bridge is rare? Isn't pretty much every intel desktop chip sold last
year ivy bridge? I get the following on my i7-3770K:
./tuneup
Parameters for ./mpn/x86_64/sandybridge/ivybridge/gmp-mparam.h
Using: CPU cycle counter, supplemented by microsecond getrusage()
speed_precision 1000000, speed_unittime 2.44e-10 secs, CPU freq 4099.92 MHz
DEFAULT_MAX_SIZE 1000, fft_max_size 50000
/* Generated by tuneup.c, 2014-03-28, gcc 4.8 */
#define MUL_KARATSUBA_THRESHOLD 16
#define MUL_TOOM3_THRESHOLD 109
#define MUL_TOOM4_THRESHOLD 244
#define MUL_TOOM8H_THRESHOLD 327
#define SQR_BASECASE_THRESHOLD 0 /* always (native) */
#define SQR_KARATSUBA_THRESHOLD 29
#define SQR_TOOM3_THRESHOLD 169
#define SQR_TOOM4_THRESHOLD 244
#define SQR_TOOM8_THRESHOLD 375
#define POWM_THRESHOLD 956
#define DIVREM_1_NORM_THRESHOLD MP_SIZE_T_MAX /* never */
#define DIVREM_1_UNNORM_THRESHOLD MP_SIZE_T_MAX /* never */
#define MOD_1_NORM_THRESHOLD 0 /* always */
#define MOD_1_UNNORM_THRESHOLD 0 /* always */
#define USE_PREINV_DIVREM_1 1 /* native */
#define USE_PREINV_MOD_1 1
#define DIVEXACT_1_THRESHOLD 0 /* always */
#define MODEXACT_1_ODD_THRESHOLD 0 /* always (native) */
#define MOD_1_1_THRESHOLD 7
#define MOD_1_2_THRESHOLD 12
#define MOD_1_3_THRESHOLD 13
#define DIVREM_HENSEL_QR_1_THRESHOLD 7
#define RSH_DIVREM_HENSEL_QR_1_THRESHOLD 3
#define DIVREM_EUCLID_HENSEL_THRESHOLD 10
#define MUL_FFT_FULL_THRESHOLD 3904
#define SQR_FFT_FULL_THRESHOLD 2880
#define MULLOW_BASECASE_THRESHOLD 6
#define MULLOW_DC_THRESHOLD 12
#define MULLOW_MUL_THRESHOLD 369
#define MULHIGH_BASECASE_THRESHOLD 9
#define MULHIGH_DC_THRESHOLD 27
#define MULHIGH_MUL_THRESHOLD 3436
#define MULMOD_2EXPM1_THRESHOLD 20
#define SB_DIVAPPR_Q_SMALL_THRESHOLD 0 /* always */
#define SB_DIV_QR_SMALL_THRESHOLD 0 /* always */
#define DC_DIV_QR_THRESHOLD 20
#define INV_DIV_QR_THRESHOLD 2089
#define INV_DIVAPPR_Q_N_THRESHOLD 20
#define DC_DIV_Q_THRESHOLD 40
#define INV_DIV_Q_THRESHOLD 1470
#define DC_DIVAPPR_Q_THRESHOLD 46
#define INV_DIVAPPR_Q_THRESHOLD 15352
#define DC_BDIV_QR_THRESHOLD 26
#define DC_BDIV_Q_THRESHOLD 40
#define ROOTREM_THRESHOLD 6
#define MATRIX22_STRASSEN_THRESHOLD 19
#define HGCD_THRESHOLD 77
#define HGCD_APPR_THRESHOLD 50
#define HGCD_REDUCE_THRESHOLD 6852
#define GCD_DC_THRESHOLD 465
#define GCDEXT_DC_THRESHOLD 345
#define JACOBI_BASE_METHOD 1
#define GET_STR_DC_THRESHOLD 12
#define GET_STR_PRECOMPUTE_THRESHOLD 21
#define SET_STR_DC_THRESHOLD 890
#define SET_STR_PRECOMPUTE_THRESHOLD 2093
#define FAC_DSC_THRESHOLD 537
#define FAC_ODD_THRESHOLD 25
/* fft_tuning -- autogenerated by tune-fft */
#define FFT_TAB \
{ { 4, 3 }, { 4, 3 }, { 3, 2 }, { 2, 1 }, { 1, 0 } }
#define MULMOD_TAB \
{ 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 3, 3, 2, 2, 2, 2, 1, 1 }
#define FFT_N_NUM 19
#define FFT_MULMOD_2EXPP1_CUTOFF 128
/* Tuneup completed successfully, took 75 seconds */
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