Implementation notes: x86, samba, crypto_stream/cryptmtv3

Computer: samba
Architecture: x86
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20190803
Operation: crypto_stream
Primitive: cryptmtv3

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
6402	`e/v3`	`gcc -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190706	20190110
6408	`e/v3`	`gcc -funroll-loops -m32 -march=barcelona -O3 -fomit-frame-pointer`	20190706	20190110
6415	`e/v3`	`gcc -funroll-loops -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190706	20190110
6451	`e/v3`	`gcc -funroll-loops -m32 -march=nocona -O2 -fomit-frame-pointer`	20190706	20190110
6452	`e/v3`	`gcc -funroll-loops -m32 -march=k8 -O3 -fomit-frame-pointer`	20190706	20190110
6452	`e/v3`	`gcc -funroll-loops -m32 -march=prescott -O2 -fomit-frame-pointer`	20190706	20190110
6469	`e/v3`	`gcc -m32 -march=k8 -O3 -fomit-frame-pointer`	20190706	20190110
6482	`e/v3`	`gcc -funroll-loops -m32 -march=nocona -O3 -fomit-frame-pointer`	20190706	20190110
6484	`e/v3`	`gcc -funroll-loops -m32 -march=prescott -O3 -fomit-frame-pointer`	20190706	20190110
6492	`e/v3`	`gcc -funroll-loops -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190706	20190110
6494	`e/v3`	`gcc -funroll-loops -m32 -march=k8 -O2 -fomit-frame-pointer`	20190706	20190110
6516	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190706	20190110
6552	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190706	20190110
6554	`e/v3`	`gcc -funroll-loops -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190706	20190110
6563	`e/v3`	`gcc -funroll-loops -m32 -march=prescott -O -fomit-frame-pointer`	20190706	20190110
6577	`e/v3`	`gcc -m32 -march=core-avx-i -O2 -fomit-frame-pointer`	20190706	20190110
6579	`e/v3`	`gcc -m32 -march=corei7 -O2 -fomit-frame-pointer`	20190706	20190110
6585	`e/v3`	`gcc -m32 -march=corei7 -O3 -fomit-frame-pointer`	20190706	20190110
6591	`e/v3`	`gcc -funroll-loops -m32 -march=nocona -O -fomit-frame-pointer`	20190706	20190110
6597	`e/v3`	`gcc -m32 -march=corei7-avx -O2 -fomit-frame-pointer`	20190706	20190110
6605	`e/v3`	`gcc -m32 -march=corei7-avx -O3 -fomit-frame-pointer`	20190706	20190110
6613	`e/v3`	`gcc -m32 -march=core-avx-i -O3 -fomit-frame-pointer`	20190706	20190110
6625	`e/v3`	`gcc -funroll-loops -m32 -march=pentium4 -O -fomit-frame-pointer`	20190706	20190110
6627	`e/v3`	`gcc -funroll-loops -m32 -march=barcelona -O -fomit-frame-pointer`	20190706	20190110
6647	`e/v3`	`gcc -funroll-loops -m32 -march=k8 -O -fomit-frame-pointer`	20190706	20190110
6661	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-m -O -fomit-frame-pointer`	20190706	20190110
6670	`e/v3`	`gcc -m32 -march=native -mtune=native -O3 -fomit-frame-pointer`	20190706	20190110
6678	`e/v3`	`gcc -m32 -march=native -mtune=native -O2 -fomit-frame-pointer`	20190706	20190110
6685	`e/v3`	`gcc -m32 -march=core-avx2 -O2 -fomit-frame-pointer`	20190706	20190110
6693	`e/v3`	`gcc -m32 -march=core-avx2 -O3 -fomit-frame-pointer`	20190706	20190110
6780	`e/v3`	`gcc -m32 -march=corei7 -O -fomit-frame-pointer`	20190706	20190110
6821	`e/v3`	`gcc -m32 -march=core-avx2 -O -fomit-frame-pointer`	20190706	20190110
6825	`e/v3`	`gcc -m32 -march=native -mtune=native -O -fomit-frame-pointer`	20190706	20190110
6826	`e/v3`	`gcc -m32 -march=corei7 -Os -fomit-frame-pointer`	20190706	20190110
6829	`e/v3`	`gcc -m32 -march=corei7-avx -Os -fomit-frame-pointer`	20190706	20190110
6833	`e/v3`	`gcc -m32 -march=corei7-avx -O -fomit-frame-pointer`	20190706	20190110
6834	`e/v3`	`gcc -m32 -march=core-avx-i -Os -fomit-frame-pointer`	20190706	20190110
6835	`e/v3`	`gcc -m32 -march=core-avx-i -O -fomit-frame-pointer`	20190706	20190110
6839	`e/v3`	`gcc -m32 -march=nocona -O2 -fomit-frame-pointer`	20190706	20190110
6851	`e/v3`	`gcc -m32 -march=prescott -O2 -fomit-frame-pointer`	20190706	20190110
6867	`e/v3`	`gcc -m32 -march=core2 -O2 -fomit-frame-pointer`	20190706	20190110
6867	`e/v3`	`gcc -m32 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20190706	20190110
6869	`e/v3`	`gcc -m32 -march=core-avx2 -Os -fomit-frame-pointer`	20190706	20190110
6869	`e/v3`	`gcc -m32 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20190706	20190110
6869	`e/v3`	`gcc -m32 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20190706	20190110
6875	`e/v3`	`gcc -m32 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20190706	20190110
6875	`e/v3`	`gcc -m32 -march=native -mtune=native -Os -fomit-frame-pointer`	20190706	20190110
6881	`e/v3`	`gcc -m32 -march=core2 -O3 -fomit-frame-pointer`	20190706	20190110
6883	`e/v3`	`gcc -m32 -march=pentium4 -O3 -fomit-frame-pointer`	20190706	20190110
6889	`e/v3`	`gcc -m32 -march=prescott -O3 -fomit-frame-pointer`	20190706	20190110
6907	`e/v3`	`gcc -m32 -march=barcelona -O2 -fomit-frame-pointer`	20190706	20190110
6911	`e/v3`	`gcc -m32 -march=k8 -O2 -fomit-frame-pointer`	20190706	20190110
6916	`e/v3`	`gcc -m32 -march=pentium4 -O2 -fomit-frame-pointer`	20190706	20190110
6921	`e/v3`	`gcc -m32 -march=pentium-m -O2 -fomit-frame-pointer`	20190706	20190110
6922	`e/v3`	`gcc -m32 -march=nocona -O3 -fomit-frame-pointer`	20190706	20190110
6994	`e/v3`	`gcc -m32 -march=core2 -O -fomit-frame-pointer`	20190706	20190110
6998	`e/v3`	`gcc -m32 -march=pentium-m -O3 -fomit-frame-pointer`	20190706	20190110
7000	`e/v3`	`gcc -m32 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20190706	20190110
7006	`e/v3`	`gcc -m32 -march=core2 -msse4 -O -fomit-frame-pointer`	20190706	20190110
7006	`e/v3`	`gcc -m32 -march=prescott -O -fomit-frame-pointer`	20190706	20190110
7008	`e/v3`	`gcc -m32 -march=nocona -O -fomit-frame-pointer`	20190706	20190110
7085	`e/v3`	`gcc -m32 -march=pentium4 -O -fomit-frame-pointer`	20190706	20190110
7093	`e/v3`	`gcc -m32 -march=barcelona -O -fomit-frame-pointer`	20190706	20190110
7097	`e/v3`	`gcc -m32 -march=k8 -O -fomit-frame-pointer`	20190706	20190110
7121	`e/v3`	`gcc -funroll-loops -m32 -march=barcelona -Os -fomit-frame-pointer`	20190706	20190110
7156	`e/v3`	`gcc -m32 -march=core2 -msse4 -Os -fomit-frame-pointer`	20190706	20190110
7157	`e/v3`	`gcc -m32 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20190706	20190110
7160	`e/v3`	`gcc -m32 -march=pentium-m -O -fomit-frame-pointer`	20190706	20190110
7175	`e/v3`	`gcc -funroll-loops -m32 -march=nocona -Os -fomit-frame-pointer`	20190706	20190110
7182	`e/v3`	`gcc -funroll-loops -m32 -march=prescott -Os -fomit-frame-pointer`	20190706	20190110
7182	`e/v3`	`gcc -m32 -march=nocona -Os -fomit-frame-pointer`	20190706	20190110
7188	`e/v3`	`gcc -m32 -march=barcelona -Os -fomit-frame-pointer`	20190706	20190110
7197	`e/v3`	`gcc -m32 -march=prescott -Os -fomit-frame-pointer`	20190706	20190110
7202	`e/v3`	`gcc -funroll-loops -m32 -march=k8 -Os -fomit-frame-pointer`	20190706	20190110
7205	`e/v3`	`gcc -funroll-loops -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190706	20190110
7209	`e/v3`	`gcc -m32 -march=pentium4 -Os -fomit-frame-pointer`	20190706	20190110
7237	`e/v3`	`gcc -m32 -march=core2 -Os -fomit-frame-pointer`	20190706	20190110
7246	`e/v3`	`gcc -m32 -march=k8 -Os -fomit-frame-pointer`	20190706	20190110
7339	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190706	20190110
7359	`e/v3`	`gcc -m32 -march=pentium-m -Os -fomit-frame-pointer`	20190706	20190110
8443	`e/v3`	`gcc -funroll-loops -m32 -O2 -fomit-frame-pointer`	20190706	20190110
8458	`e/v3`	`gcc -funroll-loops -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190706	20190110
8474	`e/v3`	`gcc -funroll-loops -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190706	20190110
8502	`e/v3`	`gcc -funroll-loops -m32 -march=athlon -O2 -fomit-frame-pointer`	20190706	20190110
8508	`e/v3`	`gcc -m32 -march=k6 -O3 -fomit-frame-pointer`	20190706	20190110
8510	`e/v3`	`gcc -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190706	20190110
8518	`e/v3`	`gcc -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190706	20190110
8584	`e/v3`	`gcc -funroll-loops -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190706	20190110
8593	`e/v3`	`gcc -m32 -O3 -fomit-frame-pointer`	20190706	20190110
8603	`e/v3`	`gcc -funroll-loops -m32 -O3 -fomit-frame-pointer`	20190706	20190110
8603	`e/v3`	`gcc -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190706	20190110
8606	`e/v3`	`gcc -funroll-loops -m32 -march=k6 -O3 -fomit-frame-pointer`	20190706	20190110
8629	`e/v3`	`gcc -funroll-loops -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190706	20190110
8631	`e/v3`	`gcc -funroll-loops -m32 -march=pentium2 -O3 -fomit-frame-pointer`	20190706	20190110
8635	`e/v3`	`gcc -funroll-loops -m32 -march=k6 -O2 -fomit-frame-pointer`	20190706	20190110
8641	`e/v3`	`gcc -funroll-loops -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190706	20190110
8643	`e/v3`	`gcc -m32 -march=pentiumpro -O3 -fomit-frame-pointer`	20190706	20190110
8665	`e/v3`	`gcc -funroll-loops -m32 -march=k6-2 -O3 -fomit-frame-pointer`	20190706	20190110
8665	`e/v3`	`gcc -funroll-loops -m32 -march=k6-3 -O3 -fomit-frame-pointer`	20190706	20190110
8669	`e/v3`	`gcc -m32 -march=athlon -O3 -fomit-frame-pointer`	20190706	20190110
8680	`e/v3`	`gcc -funroll-loops -m32 -march=athlon -O3 -fomit-frame-pointer`	20190706	20190110
8689	`e/v3`	`gcc -funroll-loops -m32 -O -fomit-frame-pointer`	20190706	20190110
8718	`e/v3`	`gcc -funroll-loops -m32 -march=athlon -O -fomit-frame-pointer`	20190706	20190110
8766	`e/v3`	`gcc -funroll-loops -m32 -march=i486 -O -fomit-frame-pointer`	20190706	20190110
8773	`e/v3`	`gcc -funroll-loops -m32 -march=i386 -O -fomit-frame-pointer`	20190706	20190110
8804	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190706	20190110
8805	`e/v3`	`gcc -funroll-loops -m32 -march=pentium2 -O -fomit-frame-pointer`	20190706	20190110
8810	`e/v3`	`gcc -funroll-loops -m32 -march=k6 -O -fomit-frame-pointer`	20190706	20190110
8813	`e/v3`	`gcc -funroll-loops -m32 -march=k6-3 -O -fomit-frame-pointer`	20190706	20190110
8844	`e/v3`	`gcc -funroll-loops -m32 -march=k6-2 -O -fomit-frame-pointer`	20190706	20190110
8857	`e/v3`	`gcc -funroll-loops -m32 -march=pentium -O -fomit-frame-pointer`	20190706	20190110
8917	`e/v3`	`gcc -funroll-loops -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190706	20190110
8957	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190706	20190110
8980	`e/v3`	`gcc -funroll-loops -m32 -march=pentium -O2 -fomit-frame-pointer`	20190706	20190110
9028	`e/v3`	`gcc -m32 -march=pentium -O3 -fomit-frame-pointer`	20190706	20190110
9064	`e/v3`	`gcc -funroll-loops -m32 -march=i386 -O2 -fomit-frame-pointer`	20190706	20190110
9065	`e/v3`	`gcc -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190706	20190110
9082	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-mmx -O3 -fomit-frame-pointer`	20190706	20190110
9091	`e/v3`	`gcc -funroll-loops -m32 -march=pentium -O3 -fomit-frame-pointer`	20190706	20190110
9101	`e/v3`	`gcc -m32 -march=i486 -O3 -fomit-frame-pointer`	20190706	20190110
9109	`e/v3`	`gcc -m32 -march=i386 -O3 -fomit-frame-pointer`	20190706	20190110
9115	`e/v3`	`gcc -funroll-loops -m32 -march=i486 -O2 -fomit-frame-pointer`	20190706	20190110
9135	`e/v3`	`gcc -funroll-loops -m32 -march=i486 -O3 -fomit-frame-pointer`	20190706	20190110
9168	`e/v3`	`gcc -funroll-loops -m32 -march=i386 -O3 -fomit-frame-pointer`	20190706	20190110
10028	`e/v3`	`gcc -m32 -march=athlon -O2 -fomit-frame-pointer`	20190706	20190110
10076	`e/v3`	`gcc -m32 -O2 -fomit-frame-pointer`	20190706	20190110
10117	`e/v3`	`gcc -m32 -march=pentium2 -O2 -fomit-frame-pointer`	20190706	20190110
10177	`e/v3`	`gcc -m32 -march=pentiumpro -O2 -fomit-frame-pointer`	20190706	20190110
10343	`e/v3`	`gcc -m32 -march=k6-3 -O2 -fomit-frame-pointer`	20190706	20190110
10346	`e/v3`	`gcc -m32 -march=k6-2 -O2 -fomit-frame-pointer`	20190706	20190110
10346	`e/v3`	`gcc -m32 -march=k6 -O2 -fomit-frame-pointer`	20190706	20190110
10516	`e/v3`	`gcc -m32 -O -fomit-frame-pointer`	20190706	20190110
10547	`e/v3`	`gcc -m32 -march=pentium-mmx -O2 -fomit-frame-pointer`	20190706	20190110
10553	`e/v3`	`gcc -m32 -march=pentium -O2 -fomit-frame-pointer`	20190706	20190110
10592	`e/v3`	`gcc -m32 -march=pentium -O -fomit-frame-pointer`	20190706	20190110
10595	`e/v3`	`gcc -m32 -march=pentium-mmx -O -fomit-frame-pointer`	20190706	20190110
10629	`e/v3`	`gcc -m32 -march=k6-3 -O -fomit-frame-pointer`	20190706	20190110
10631	`e/v3`	`gcc -m32 -march=k6-2 -O -fomit-frame-pointer`	20190706	20190110
10664	`e/v3`	`gcc -m32 -march=i486 -O -fomit-frame-pointer`	20190706	20190110
10691	`e/v3`	`gcc -m32 -march=athlon -O -fomit-frame-pointer`	20190706	20190110
10699	`e/v3`	`gcc -m32 -march=pentiumpro -O -fomit-frame-pointer`	20190706	20190110
10726	`e/v3`	`gcc -m32 -march=k6 -O -fomit-frame-pointer`	20190706	20190110
10732	`e/v3`	`gcc -m32 -march=pentium2 -O -fomit-frame-pointer`	20190706	20190110
10748	`e/v3`	`gcc -m32 -march=i486 -O2 -fomit-frame-pointer`	20190706	20190110
10754	`e/v3`	`gcc -m32 -march=i386 -O -fomit-frame-pointer`	20190706	20190110
10790	`e/v3`	`gcc -m32 -march=i386 -O2 -fomit-frame-pointer`	20190706	20190110
11444	`e/v3`	`gcc -m32 -Os -fomit-frame-pointer`	20190706	20190110
11466	`e/v3`	`gcc -m32 -march=athlon -Os -fomit-frame-pointer`	20190706	20190110
11500	`e/v3`	`gcc -funroll-loops -m32 -Os -fomit-frame-pointer`	20190706	20190110
11537	`e/v3`	`gcc -funroll-loops -m32 -march=athlon -Os -fomit-frame-pointer`	20190706	20190110
11574	`e/v3`	`gcc -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190706	20190110
11582	`e/v3`	`gcc -m32 -march=pentium -Os -fomit-frame-pointer`	20190706	20190110
11599	`e/v3`	`gcc -funroll-loops -m32 -march=pentium-mmx -Os -fomit-frame-pointer`	20190706	20190110
11613	`e/v3`	`gcc -funroll-loops -m32 -march=pentium -Os -fomit-frame-pointer`	20190706	20190110
11706	`e/v3`	`gcc -m32 -march=k6 -Os -fomit-frame-pointer`	20190706	20190110
11710	`e/v3`	`gcc -funroll-loops -m32 -march=k6 -Os -fomit-frame-pointer`	20190706	20190110
11727	`e/v3`	`gcc -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190706	20190110
11732	`e/v3`	`gcc -funroll-loops -m32 -march=i386 -Os -fomit-frame-pointer`	20190706	20190110
11744	`e/v3`	`gcc -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190706	20190110
11754	`e/v3`	`gcc -m32 -march=i486 -Os -fomit-frame-pointer`	20190706	20190110
11757	`e/v3`	`gcc -funroll-loops -m32 -march=k6-3 -Os -fomit-frame-pointer`	20190706	20190110
11787	`e/v3`	`gcc -funroll-loops -m32 -march=i486 -Os -fomit-frame-pointer`	20190706	20190110
11795	`e/v3`	`gcc -funroll-loops -m32 -march=k6-2 -Os -fomit-frame-pointer`	20190706	20190110
11806	`e/v3`	`gcc -m32 -march=i386 -Os -fomit-frame-pointer`	20190706	20190110
12187	`e/v3`	`gcc -funroll-loops -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190706	20190110
12205	`e/v3`	`gcc -m32 -march=pentium2 -Os -fomit-frame-pointer`	20190706	20190110
12219	`e/v3`	`gcc -funroll-loops -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190706	20190110
12230	`e/v3`	`gcc -m32 -march=pentiumpro -Os -fomit-frame-pointer`	20190706	20190110

Compiler output

Implementation: crypto_stream/cryptmtv3/e/v3
Compiler: gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer

cryptmt-v3.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/xmmintrin.h:1252:0,
cryptmt-v3.c: from /home/djb/supercop-20190110/supercop-data/samba/x86/include/ecrypt-config.h:302,
cryptmt-v3.c: from e/cryptmt-v3.c:9,
cryptmt-v3.c: from cryptmt-v3.c:2:
cryptmt-v3.c: e/sse2.c: In function '_mm_recursion':
cryptmt-v3.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/emmintrin.h:1291:1: error: inlining failed in call to always_inline '_mm_xor_si128': target specific option mismatch
cryptmt-v3.c: _mm_xor_si128 (__m128i __A, __m128i __B)
cryptmt-v3.c: ^~~~~~~~~~~~~
cryptmt-v3.c: In file included from e/cryptmt-v3.c:66:0,
cryptmt-v3.c: from cryptmt-v3.c:2:
cryptmt-v3.c: e/sse2.c:39:7: note: called from here
cryptmt-v3.c: c = _mm_xor_si128(c, a);
cryptmt-v3.c: ~~^~~~~~~~~~~~~~~~~~~~~
cryptmt-v3.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/xmmintrin.h:1252:0,
cryptmt-v3.c: from /home/djb/supercop-20190110/supercop-data/samba/x86/include/ecrypt-config.h:302,
cryptmt-v3.c: from e/cryptmt-v3.c:9,
cryptmt-v3.c: from cryptmt-v3.c:2:
cryptmt-v3.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/emmintrin.h:1291:1: error: inlining failed in call to always_inline '_mm_xor_si128': target specific option mismatch
cryptmt-v3.c: _mm_xor_si128 (__m128i __A, __m128i __B)
cryptmt-v3.c: ^~~~~~~~~~~~~
cryptmt-v3.c: In file included from e/cryptmt-v3.c:66:0,
cryptmt-v3.c: from cryptmt-v3.c:2:
cryptmt-v3.c: e/sse2.c:38:7: note: called from here
cryptmt-v3.c: c = _mm_xor_si128(c, b);
cryptmt-v3.c: ~~^~~~~~~~~~~~~~~~~~~~~
cryptmt-v3.c: ...

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
gcc -funroll-loops -m32 -march=pentium3 -O2 -fomit-frame-pointer	e/v3
gcc -funroll-loops -m32 -march=pentium3 -O3 -fomit-frame-pointer	e/v3
gcc -funroll-loops -m32 -march=pentium3 -O -fomit-frame-pointer	e/v3
gcc -funroll-loops -m32 -march=pentium3 -Os -fomit-frame-pointer	e/v3
gcc -m32 -march=pentium3 -O2 -fomit-frame-pointer	e/v3
gcc -m32 -march=pentium3 -O3 -fomit-frame-pointer	e/v3
gcc -m32 -march=pentium3 -O -fomit-frame-pointer	e/v3
gcc -m32 -march=pentium3 -Os -fomit-frame-pointer	e/v3