[jp@jp-x220]% uname -a
Linux jp-x220 3.5-trunk-amd64 #1 SMP Debian 3.5.5-1~experimental.1 x86_64
GNU/Linux
[jp@jp-x220]% cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 42
model name : Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz
...
[jp@jp-x220]% gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 4.7.2-4'
--with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs
--enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.7 --enable-shared --enable-linker-build-id
--with-system-zlib --libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7
--libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-debug --enable-libstdcxx-time=yes
--enable-gnu-unique-object --enable-plugin --enable-objc-gc
--with-arch-32=i586 --with-tune=generic --enable-checking=release
--build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 4.7.2 (Debian 4.7.2-4)
[jp@jp-x220]% ./configure --prefix=$LOCAL --enable-gmpcompat --enable-cxx
[jp@jp-x220]% ./config.guess
sandybridge-unknown-linux-gnu
[jp@jp-x220]% make tune
...
Parameters for ./mpn/x86_64/sandybridge/gmp-mparam.h
Using: CPU cycle counter, supplemented by microsecond getrusage()
speed_precision 1000000, speed_unittime 1.25e-09 secs, CPU freq 800.00 MHz
DEFAULT_MAX_SIZE 1000, fft_max_size 50000
/* Generated by tuneup.c, 2012-10-24, gcc 4.7 */
#define MUL_KARATSUBA_THRESHOLD 16
#define MUL_TOOM3_THRESHOLD 105
#define MUL_TOOM4_THRESHOLD 244
#define MUL_TOOM8H_THRESHOLD 327
#define SQR_BASECASE_THRESHOLD 0 /* always (native) */
#define SQR_KARATSUBA_THRESHOLD 31
#define SQR_TOOM3_THRESHOLD 101
#define SQR_TOOM4_THRESHOLD 256
#define SQR_TOOM8_THRESHOLD 333
#define POWM_THRESHOLD 138
#define HGCD_THRESHOLD 75
#define GCD_DC_THRESHOLD 2797
#define GCDEXT_DC_THRESHOLD 1788
#define JACOBI_BASE_METHOD 1
#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 7
#define MOD_1_3_THRESHOLD 23
#define DIVREM_HENSEL_QR_1_THRESHOLD 29
#define RSH_DIVREM_HENSEL_QR_1_THRESHOLD 5
#define DIVREM_EUCLID_HENSEL_THRESHOLD 146
#define ROOTREM_THRESHOLD 6
#define GET_STR_DC_THRESHOLD 17
#define GET_STR_PRECOMPUTE_THRESHOLD 23
#define SET_STR_DC_THRESHOLD 6915
#define SET_STR_PRECOMPUTE_THRESHOLD 7939
#define MUL_FFT_FULL_THRESHOLD 3008
#define SQR_FFT_FULL_THRESHOLD 3520
#define MULLOW_BASECASE_THRESHOLD 7
#define MULLOW_DC_THRESHOLD 30
#define MULLOW_MUL_THRESHOLD 4525
#define MULHIGH_BASECASE_THRESHOLD 10
#define MULHIGH_DC_THRESHOLD 27
#define MULHIGH_MUL_THRESHOLD 2966
#define MULMOD_2EXPM1_THRESHOLD 20
#define FAC_UI_THRESHOLD 1590
#define DC_DIV_QR_THRESHOLD 100
#define DC_DIVAPPR_Q_N_THRESHOLD 90
#define INV_DIV_QR_THRESHOLD 465
#define INV_DIVAPPR_Q_N_THRESHOLD 90
#define DC_DIV_Q_THRESHOLD 136
#define INV_DIV_Q_THRESHOLD 5581
#define DC_DIVAPPR_Q_THRESHOLD 100
#define INV_DIVAPPR_Q_THRESHOLD 12502
#define DC_BDIV_QR_THRESHOLD 100
#define DC_BDIV_Q_THRESHOLD 44
/* fft_tuning -- autogenerated by tune-fft */
#define FFT_TAB \
{ { 4, 3 }, { 3, 2 }, { 3, 2 }, { 2, 1 }, { 1, 0 } }
#define MULMOD_TAB \
{ 4, 3, 4, 4, 4, 3, 3, 3, 3, 2, 2, 3, 2, 2, 2, 2, 2, 1, 1 }
#define FFT_N_NUM 19
#define FFT_MULMOD_2EXPP1_CUTOFF 128
/* Tuneup completed successfully, took 125 seconds */
--
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