Here is another x86:
uname -a
Linux pichou 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:04:05 UTC 2012
i686 i686 i386 GNU/Linux
cat /proc/cpuinfo
model name : Intel(R) Atom(TM) CPU N450 @ 1.66GHz
gcc -v
Utilisation des specs internes.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.6/lto-wrapper
Target: i686-linux-gnu
Configuré avec: ../src/configure -v --with-pkgversion='Ubuntu/Linaro
4.6.3-1ubuntu5' --with-bugurl=file:///usr/share/doc/gcc-4.6/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--program-suffix=-4.6 --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++/4.6
--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
--enable-targets=all --disable-werror --with-arch-32=i686
--with-tune=generic --enable-checking=release --build=i686-linux-gnu
--host=i686-linux-gnu --target=i686-linux-gnu
Modèle de thread: posix
gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)
./config.guess
atom-pc-linux-gnu
./tuneup
Parameters for ./mpn/x86/k7/gmp-mparam.h
Using: CPU cycle counter, supplemented by microsecond getrusage()
speed_precision 1000000, speed_unittime 6.00e-10 secs, CPU freq 1667.00 MHz
DEFAULT_MAX_SIZE 1000, fft_max_size 50000
/* Generated by tuneup.c, 2012-10-25, gcc 4.6 */
#define MUL_KARATSUBA_THRESHOLD 20
#define MUL_TOOM3_THRESHOLD 131
#define MUL_TOOM4_THRESHOLD 200
#define MUL_TOOM8H_THRESHOLD 327
#define SQR_BASECASE_THRESHOLD 0 /* always (native) */
#define SQR_KARATSUBA_THRESHOLD 39
#define SQR_TOOM3_THRESHOLD 132
#define SQR_TOOM4_THRESHOLD 315
#define SQR_TOOM8_THRESHOLD 372
#define POWM_THRESHOLD 110
#define HGCD_THRESHOLD 37
#define GCD_DC_THRESHOLD 77
#define GCDEXT_DC_THRESHOLD 951
#define JACOBI_BASE_METHOD 2
#define USE_PREINV_DIVREM_1 1 /* native */
#define USE_PREINV_MOD_1 1 /* native */
#define DIVREM_2_THRESHOLD 5
#define DIVEXACT_1_THRESHOLD 0 /* always (native) */
#define MODEXACT_1_ODD_THRESHOLD 0 /* always (native) */
#define MOD_1_1_THRESHOLD 37
#define MOD_1_2_THRESHOLD 38
#define MOD_1_3_THRESHOLD 40
#define DIVREM_HENSEL_QR_1_THRESHOLD 996
#define RSH_DIVREM_HENSEL_QR_1_THRESHOLD 996
#define DIVREM_EUCLID_HENSEL_THRESHOLD 52
#define ROOTREM_THRESHOLD 6
#define GET_STR_DC_THRESHOLD 13
#define GET_STR_PRECOMPUTE_THRESHOLD 24
#define SET_STR_DC_THRESHOLD 254
#define SET_STR_PRECOMPUTE_THRESHOLD 254
#define MUL_FFT_FULL_THRESHOLD 2240
#define SQR_FFT_FULL_THRESHOLD 2752
#define MULLOW_BASECASE_THRESHOLD 4
#define MULLOW_DC_THRESHOLD 50
#define MULLOW_MUL_THRESHOLD 458
#define MULHIGH_BASECASE_THRESHOLD 6
#define MULHIGH_DC_THRESHOLD 36
#define MULHIGH_MUL_THRESHOLD 2937
#define MULMOD_2EXPM1_THRESHOLD 20
#define FAC_UI_THRESHOLD 1024
#define DC_DIV_QR_THRESHOLD 100
#define DC_DIVAPPR_Q_N_THRESHOLD 233
#define INV_DIV_QR_THRESHOLD 465
#define INV_DIVAPPR_Q_N_THRESHOLD 233
#define DC_DIV_Q_THRESHOLD 233
#define INV_DIV_Q_THRESHOLD 2914
#define DC_DIVAPPR_Q_THRESHOLD 225
#define INV_DIVAPPR_Q_THRESHOLD 5624
#define DC_BDIV_QR_THRESHOLD 278
#define DC_BDIV_Q_THRESHOLD 162
/* fft_tuning -- autogenerated by tune-fft */
#define FFT_TAB \
{ { 4, 3 }, { 3, 2 }, { 2, 1 }, { 1, 1 }, { 1, 0 } }
#define MULMOD_TAB \
{ 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1 }
#define FFT_N_NUM 15
#define FFT_MULMOD_2EXPP1_CUTOFF 128
/* Tuneup completed successfully, took 788 seconds */
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