Implementation notes: amd64, genji154, crypto_hash/essence512

Computer: genji154
Architecture: amd64
CPU ID: GenuineIntel-00050671-bfebfbff
SUPERCOP version: 20170228
Operation: crypto_hash
Primitive: essence512

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
67470	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20170226	20170105
67509	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20170226	20170105
72943	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20170226	20170105
75478	? ? ?	? ? ?	`gcc`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
75972	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
76206	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
76219	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
76271	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
79326	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20170226	20170105
83577	? ? ?	? ? ?	`gcc`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
83590	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
83811	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
83811	? ? ?	? ? ?	`gcc`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
84110	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20170226	20170105
84123	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20170226	20170105
86242	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
86255	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
86268	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20170226	20170105
87295	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20170226	20170105
87308	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
87308	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87334	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20170226	20170105
87477	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20170226	20170105
87490	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87503	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87581	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87672	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
87685	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20170226	20170105
87802	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
87854	? ? ?	? ? ?	`gcc`	`gcc_-O3_-fomit-frame-pointer`	20170226	20170105
87854	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
87906	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
88062	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
88127	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
88231	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
88361	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
88374	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
88530	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
88829	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
97903	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20170226	20170105
97994	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20170226	20170105
98787	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99099	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99151	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20170226	20170105
99164	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99294	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20170226	20170105
99294	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20170226	20170105
99320	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99385	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
99463	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
99502	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20170226	20170105
101179	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20170226	20170105
101270	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20170226	20170105
101842	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20170226	20170105
103818	? ? ?	? ? ?	`gcc`	`gcc_-O2_-fomit-frame-pointer`	20170226	20170105
104000	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
104143	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
104390	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20170226	20170105
104754	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20170226	20170105
104910	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
105027	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
105300	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20170226	20170105
105300	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20170226	20170105
105339	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20170226	20170105
105625	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
106041	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
106080	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
106080	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106093	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
106093	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106093	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106093	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106106	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
106119	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20170226	20170105
106132	? ? ?	? ? ?	`gcc`	`gcc_-Os_-fomit-frame-pointer`	20170226	20170105
106145	? ? ?	? ? ?	`gcc`	`gcc_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
106184	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20170226	20170105
106262	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20170226	20170105
106275	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20170226	20170105
107835	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
107874	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20170226	20170105
108212	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20170226	20170105
108498	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20170226	20170105
108745	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
108758	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
109200	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
109213	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
109252	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
109252	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
109642	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
109681	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
119587	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
119600	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
119717	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
122239	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
122356	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
123149	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20170226	20170105
123292	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20170226	20170105
127322	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20170226	20170105
127335	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20170226	20170105
128076	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20170226	20170105
128648	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
129038	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20170226	20170105
129064	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20170226	20170105
129168	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20170226	20170105
129233	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
129363	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
129363	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
129415	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
129480	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
130858	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
130884	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
132080	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20170226	20170105
132496	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
132600	? ? ?	? ? ?	`gcc`	`gcc_-O_-fomit-frame-pointer`	20170226	20170105
132639	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O_-fomit-frame-pointer`	20170226	20170105
138723	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
138788	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
466570	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops`	20170226	20170105
468585	? ? ?	? ? ?	`gcc`	`cc`	20170226	20170105
468897	? ? ?	? ? ?	`gcc`	`gcc`	20170226	20170105

Test failure

Implementation: crypto_hash/essence512/gcc
Compiler: icc

error 111
crypto_hash is nondeterministic

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
icc	gcc
icc -no-vec	gcc
icc -xMIC-AVX512 -O2 -fomit-frame-pointer	gcc
icc -xMIC-AVX512 -O3 -fomit-frame-pointer	gcc

Compiler output

Implementation: crypto_hash/essence512/gcc
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments

essence_L_tables.c: In file included from essence_L_tables.c:12:
essence_L_tables.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
essence_L_tables.c: #ifndef _ESSENCE_API_H_
essence_L_tables.c: ^~~~~~~~~~~~~~~
essence_L_tables.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
essence_L_tables.c: #define _ESSENCE_H_API_
essence_L_tables.c: ^~~~~~~~~~~~~~~
essence_L_tables.c: _ESSENCE_API_H_
essence_L_tables.c: 1 warning generated.
essence_api.c: In file included from essence_api.c:11:
essence_api.c: In file included from ./essence.h:11:
essence_api.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
essence_api.c: #ifndef _ESSENCE_API_H_
essence_api.c: ^~~~~~~~~~~~~~~
essence_api.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
essence_api.c: #define _ESSENCE_H_API_
essence_api.c: ^~~~~~~~~~~~~~~
essence_api.c: _ESSENCE_API_H_
essence_api.c: 1 warning generated.
essence_compress_256.c: In file included from essence_compress_256.c:11:
essence_compress_256.c: In file included from ./essence.h:11:
essence_compress_256.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
essence_compress_256.c: #ifndef _ESSENCE_API_H_
essence_compress_256.c: ^~~~~~~~~~~~~~~
essence_compress_256.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
essence_compress_256.c: #define _ESSENCE_H_API_
essence_compress_256.c: ^~~~~~~~~~~~~~~
essence_compress_256.c: _ESSENCE_API_H_
essence_compress_256.c: 1 warning generated.
essence_compress_256_dual.c: In file included from essence_compress_256_dual.c:11:
essence_compress_256_dual.c: In file included from ./essence.h:11:
essence_compress_256_dual.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
essence_compress_256_dual.c: #ifndef _ESSENCE_API_H_
essence_compress_256_dual.c: ^~~~~~~~~~~~~~~
essence_compress_256_dual.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
essence_compress_256_dual.c: #define _ESSENCE_H_API_
essence_compress_256_dual.c: ^~~~~~~~~~~~~~~
essence_compress_256_dual.c: _ESSENCE_API_H_
essence_compress_256_dual.c: 1 warning generated.
essence_compress_512.c: In file included from essence_compress_512.c:10:
essence_compress_512.c: In file included from ./essence.h:11:
essence_compress_512.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
essence_compress_512.c: #ifndef _ESSENCE_API_H_
essence_compress_512.c: ^~~~~~~~~~~~~~~
essence_compress_512.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
essence_compress_512.c: #define _ESSENCE_H_API_
essence_compress_512.c: ^~~~~~~~~~~~~~~
essence_compress_512.c: _ESSENCE_API_H_
essence_compress_512.c: 1 warning generated.
hash.c: In file included from hash.c:2:
hash.c: ./essence_api.h:13:9: warning: '_ESSENCE_API_H_' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
hash.c: #ifndef _ESSENCE_API_H_
hash.c: ^~~~~~~~~~~~~~~
hash.c: ./essence_api.h:14:9: note: '_ESSENCE_H_API_' is defined here; did you mean '_ESSENCE_API_H_'?
hash.c: #define _ESSENCE_H_API_
hash.c: ^~~~~~~~~~~~~~~
hash.c: _ESSENCE_API_H_
hash.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 10, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -Qunused-arguments	gcc
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments	gcc
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	gcc
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer -Qunused-arguments	gcc
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments	gcc
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments	gcc
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	gcc
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	gcc
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	gcc
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	gcc