Implementation notes: x86, h3neo, crypto_sign/pass769

Computer: h3neo
Architecture: x86
CPU ID: AuthenticAMD-00100f63-078bfbff
SUPERCOP version: 20170105
Operation: crypto_sign
Primitive: pass769
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
3615888? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016111420161009
3615914? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016111420161009
3618875? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium4_-O_-fomit-frame-pointer2016111420161009
3634704? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016111420161009
3641407? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016111420161009
3671908? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6_-O2_-fomit-frame-pointer2016111420161009
3675273? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6_-O3_-fomit-frame-pointer2016111420161009
3679900? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016111420161009
3684226? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016111420161009
3715342? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k8_-O2_-fomit-frame-pointer2016111420161009
3742457? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium_-O2_-fomit-frame-pointer2016111420161009
3754452? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6_-O3_-fomit-frame-pointer2016111420161009
3758064? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=prescott_-O2_-fomit-frame-pointer2016111420161009
3768764? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016111420161009
3769684? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=nocona_-O3_-fomit-frame-pointer2016111420161009
3774296? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-mmx_-O3_-fomit-frame-pointer2016111420161009
3774464? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=prescott_-O3_-fomit-frame-pointer2016111420161009
3784913? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016111420161009
3788642? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-mmx_-O2_-fomit-frame-pointer2016111420161009
3793324? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium_-O3_-fomit-frame-pointer2016111420161009
3795375? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium_-O2_-fomit-frame-pointer2016111420161009
3796775? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-3_-O3_-fomit-frame-pointer2016111420161009
3799844? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=athlon_-O2_-fomit-frame-pointer2016111420161009
3802128? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-2_-O3_-fomit-frame-pointer2016111420161009
3806727? ? ?? ? ?ref-karatsubagcc_-m32_-march=k8_-O2_-fomit-frame-pointer2016111420161009
3814880? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=nocona_-O2_-fomit-frame-pointer2016111420161009
3815026? ? ?? ? ?ref-karatsubagcc_-m32_-march=prescott_-O3_-fomit-frame-pointer2016111420161009
3816286? ? ?? ? ?ref-karatsubagcc_-m32_-march=nocona_-O3_-fomit-frame-pointer2016111420161009
3816390? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=athlon_-O_-fomit-frame-pointer2016111420161009
3818739? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-2_-O2_-fomit-frame-pointer2016111420161009
3820308? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016111420161009
3821003? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6_-O2_-fomit-frame-pointer2016111420161009
3822544? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016111420161009
3828582? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-3_-O2_-fomit-frame-pointer2016111420161009
3833004? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium_-O3_-fomit-frame-pointer2016111420161009
3834200? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016111420161009
3851556? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-O3_-fomit-frame-pointer2016111420161009
3854801? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6_-O_-fomit-frame-pointer2016111420161009
3866193? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-O2_-fomit-frame-pointer2016111420161009
3866222? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016111420161009
3866349? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016111420161009
3866785? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016111420161009
3890659? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016111420161009
3890739? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k8_-O_-fomit-frame-pointer2016111420161009
3898312? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium_-O_-fomit-frame-pointer2016111420161009
3899917? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-2_-O_-fomit-frame-pointer2016111420161009
3910889? ? ?? ? ?ref-karatsubagcc_-m32_-march=i386_-O3_-fomit-frame-pointer2016111420161009
3919112? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016111420161009
3919999? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-3_-O_-fomit-frame-pointer2016111420161009
3925562? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i386_-O2_-fomit-frame-pointer2016111420161009
3927817? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-m_-O3_-fomit-frame-pointer2016111420161009
3930614? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016111420161009
3934623? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium2_-O3_-fomit-frame-pointer2016111420161009
3936496? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016111420161009
3937299? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium3_-O3_-fomit-frame-pointer2016111420161009
3940957? ? ?? ? ?ref-karatsubagcc_-m32_-march=i386_-O2_-fomit-frame-pointer2016111420161009
3941068? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium3_-O_-fomit-frame-pointer2016111420161009
3946822? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i486_-O3_-fomit-frame-pointer2016111420161009
3947697? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium2_-O_-fomit-frame-pointer2016111420161009
3950251? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016111420161009
3954909? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentiumpro_-O2_-fomit-frame-pointer2016111420161009
3954936? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-m_-O2_-fomit-frame-pointer2016111420161009
3956544? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i486_-O2_-fomit-frame-pointer2016111420161009
3962388? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium2_-O2_-fomit-frame-pointer2016111420161009
3964509? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-O_-fomit-frame-pointer2016111420161009
3970646? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=barcelona_-O_-fomit-frame-pointer2016111420161009
3987010? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=prescott_-O_-fomit-frame-pointer2016111420161009
3995820? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium_-O_-fomit-frame-pointer2016111420161009
3996728? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016111420161009
3996810? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentiumpro_-O3_-fomit-frame-pointer2016111420161009
4002401? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-mmx_-O_-fomit-frame-pointer2016111420161009
4003468? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium4_-O_-fomit-frame-pointer2016111420161009
4028914? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium3_-O2_-fomit-frame-pointer2016111420161009
4030493? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=nocona_-O_-fomit-frame-pointer2016111420161009
4031380? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium4_-O3_-fomit-frame-pointer2016111420161009
4052100? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-O2_-fomit-frame-pointer2016111420161009
4056824? ? ?? ? ?ref-karatsubagcc_-m32_-march=native_-mtune=native_-O2_-fomit-frame-pointer2016111420161009
4058953? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i386_-O3_-fomit-frame-pointer2016111420161009
4060056? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4_-O2_-fomit-frame-pointer2016111420161009
4065205? ? ?? ? ?ref-karatsubagcc_-m32_-march=native_-mtune=native_-O_-fomit-frame-pointer2016111420161009
4074543? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-O_-fomit-frame-pointer2016111420161009
4078525? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4.1_-O_-fomit-frame-pointer2016111420161009
4082791? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4_-O_-fomit-frame-pointer2016111420161009
4091760? ? ?? ? ?ref-karatsubagcc_-m32_-march=corei7_-O2_-fomit-frame-pointer2016111420161009
4094256? ? ?? ? ?ref-karatsubagcc_-m32_-O_-fomit-frame-pointer2016111420161009
4094370? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i386_-O_-fomit-frame-pointer2016111420161009
4098991? ? ?? ? ?ref-karatsubagcc_-m32_-march=barcelona_-O2_-fomit-frame-pointer2016111420161009
4102262? ? ?? ? ?ref-karatsubagcc_-m32_-O2_-fomit-frame-pointer2016111420161009
4114475? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2016111420161009
4127268? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i486_-O_-fomit-frame-pointer2016111420161009
4128412? ? ?? ? ?ref-karatsubagcc_-m32_-march=corei7_-O_-fomit-frame-pointer2016111420161009
4146123? ? ?? ? ?ref-karatsubagcc_-m32_-O3_-fomit-frame-pointer2016111420161009
4166972? ? ?? ? ?ref-karatsubagcc_-m32_-march=athlon_-O2_-fomit-frame-pointer2016111420161009
4173173? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6_-O_-fomit-frame-pointer2016111420161009
4180871? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-3_-O_-fomit-frame-pointer2016111420161009
4203901? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-2_-O_-fomit-frame-pointer2016111420161009
4206365? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium3_-O_-fomit-frame-pointer2016111420161009
4209977? ? ?? ? ?ref-karatsubagcc_-m32_-march=i386_-O_-fomit-frame-pointer2016111420161009
4228130? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentiumpro_-O_-fomit-frame-pointer2016111420161009
4229610? ? ?? ? ?ref-karatsubagcc_-m32_-march=i486_-O_-fomit-frame-pointer2016111420161009
4244862? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium4_-O2_-fomit-frame-pointer2016111420161009
4253893? ? ?? ? ?ref-karatsubagcc_-m32_-march=nocona_-O2_-fomit-frame-pointer2016111420161009
4262716? ? ?? ? ?ref-karatsubagcc_-m32_-march=prescott_-O2_-fomit-frame-pointer2016111420161009
4269091? ? ?? ? ?ref-karatsubagcc_-m32_-march=i486_-O3_-fomit-frame-pointer2016111420161009
4304399? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-m_-O_-fomit-frame-pointer2016111420161009
4317669? ? ?? ? ?ref-karatsubagcc_-m32_-march=i486_-O2_-fomit-frame-pointer2016111420161009
4375846? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium2_-O_-fomit-frame-pointer2016111420161009
4681210? ? ?? ? ?ref-karatsubagcc_-m32_-march=barcelona_-O_-fomit-frame-pointer2016111420161009
4719838? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016111420161009
4735104? ? ?? ? ?ref-karatsubagcc_-m32_-march=barcelona_-O3_-fomit-frame-pointer2016111420161009
4767902? ? ?? ? ?ref-karatsubagcc_-m32_-march=native_-mtune=native_-O3_-fomit-frame-pointer2016111420161009
4782599? ? ?? ? ?ref-karatsubagcc_-m32_-march=nocona_-O_-fomit-frame-pointer2016111420161009
4784392? ? ?? ? ?ref-karatsubagcc_-m32_-march=athlon_-O_-fomit-frame-pointer2016111420161009
4793119? ? ?? ? ?ref-karatsubagcc_-m32_-march=k8_-O_-fomit-frame-pointer2016111420161009
4798755? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k8_-O3_-fomit-frame-pointer2016111420161009
4802828? ? ?? ? ?ref-karatsubagcc_-m32_-march=prescott_-O_-fomit-frame-pointer2016111420161009
4864863? ? ?? ? ?ref-karatsubagcc_-m32_-march=k8_-O3_-fomit-frame-pointer2016111420161009
4930542? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=athlon_-O3_-fomit-frame-pointer2016111420161009
4956875? ? ?? ? ?ref-karatsubagcc_-m32_-march=athlon_-O3_-fomit-frame-pointer2016111420161009
6796751? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016111420161009
6816203? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016111420161009
6821534? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6_-Os_-fomit-frame-pointer2016111420161009
6905189? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k6_-Os_-fomit-frame-pointer2016111420161009
6930778? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-3_-Os_-fomit-frame-pointer2016111420161009
6957824? ? ?? ? ?ref-karatsubagcc_-m32_-march=k6-2_-Os_-fomit-frame-pointer2016111420161009
7343638? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016111420161009
7383544? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016111420161009
7418103? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=nocona_-Os_-fomit-frame-pointer2016111420161009
7429007? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016111420161009
7430591? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=prescott_-Os_-fomit-frame-pointer2016111420161009
7459055? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium_-Os_-fomit-frame-pointer2016111420161009
7462339? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016111420161009
7630294? ? ?? ? ?ref-karatsubagcc_-m32_-march=nocona_-Os_-fomit-frame-pointer2016111420161009
7701158? ? ?? ? ?ref-karatsubagcc_-m32_-march=prescott_-Os_-fomit-frame-pointer2016111420161009
7701376? ? ?? ? ?ref-karatsubagcc_-m32_-march=i486_-Os_-fomit-frame-pointer2016111420161009
7732591? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium4_-Os_-fomit-frame-pointer2016111420161009
7811956? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium_-Os_-fomit-frame-pointer2016111420161009
7819375? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-mmx_-Os_-fomit-frame-pointer2016111420161009
8002075? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i386_-Os_-fomit-frame-pointer2016111420161009
8040609? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=i486_-Os_-fomit-frame-pointer2016111420161009
8134988? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016111420161009
8157318? ? ?? ? ?ref-karatsubagcc_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016111420161009
8198645? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium2_-Os_-fomit-frame-pointer2016111420161009
8204616? ? ?? ? ?ref-karatsubagcc_-m32_-march=native_-mtune=native_-Os_-fomit-frame-pointer2016111420161009
8206976? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-Os_-fomit-frame-pointer2016111420161009
8210295? ? ?? ? ?ref-karatsubagcc_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016111420161009
8210659? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4_-Os_-fomit-frame-pointer2016111420161009
8223677? ? ?? ? ?ref-karatsubagcc_-m32_-Os_-fomit-frame-pointer2016111420161009
8225271? ? ?? ? ?ref-karatsubagcc_-m32_-march=athlon_-Os_-fomit-frame-pointer2016111420161009
8242234? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=barcelona_-Os_-fomit-frame-pointer2016111420161009
8246384? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=k8_-Os_-fomit-frame-pointer2016111420161009
8255890? ? ?? ? ?ref-karatsubagcc_-m32_-march=k8_-Os_-fomit-frame-pointer2016111420161009
8267143? ? ?? ? ?ref-karatsubagcc_-m32_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2016111420161009
8269900? ? ?? ? ?ref-karatsubagcc_-m32_-march=corei7_-Os_-fomit-frame-pointer2016111420161009
8279374? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentiumpro_-Os_-fomit-frame-pointer2016111420161009
8318394? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium3_-Os_-fomit-frame-pointer2016111420161009
8377389? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=athlon_-Os_-fomit-frame-pointer2016111420161009
8385891? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-march=pentium-m_-Os_-fomit-frame-pointer2016111420161009
8485958? ? ?? ? ?ref-karatsubagcc_-funroll-loops_-m32_-Os_-fomit-frame-pointer2016111420161009
8517351? ? ?? ? ?ref-karatsubagcc_-m32_-march=i386_-Os_-fomit-frame-pointer2016111420161009

Test failure

Implementation: crypto_sign/pass769/ref-karatsuba
Compiler: gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 10, namely:
CompilerImplementations
gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core-avx-i -O -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core-avx2 -O -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=core2 -O3 -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=corei7-avx -O -fomit-frame-pointer ref-karatsuba
gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer ref-karatsuba