Implementation notes: amd64, genji154, crypto_hash/essence384

Computer: genji154
Architecture: amd64
CPU ID: GenuineIntel-00050671-bfebfbff
SUPERCOP version: 20170228
Operation: crypto_hash
Primitive: essence384

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
67275	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20170226	20170105
67275	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20170226	20170105
72839	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20170226	20170105
75283	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
75517	? ? ?	? ? ?	`gcc`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
75907	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
75920	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
76076	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
76193	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
79300	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20170226	20170105
83382	? ? ?	? ? ?	`gcc`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
83460	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
83538	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
83616	? ? ?	? ? ?	`gcc`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
84084	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20170226	20170105
84188	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20170226	20170105
86177	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
86294	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
86554	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20170226	20170105
87139	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20170226	20170105
87178	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20170226	20170105
87191	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20170226	20170105
87230	? ? ?	? ? ?	`gcc`	`gcc_-O3_-fomit-frame-pointer`	20170226	20170105
87334	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87347	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
87399	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87555	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
87750	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
87828	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
87893	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
87958	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20170226	20170105
87984	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
87997	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
88166	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
88270	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
88439	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
88543	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
88621	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
88725	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
89271	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
97682	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20170226	20170105
97877	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20170226	20170105
98683	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99060	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99125	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20170226	20170105
99190	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20170226	20170105
99255	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99281	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20170226	20170105
99359	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
99541	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
99723	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20170226	20170105
99762	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
100997	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20170226	20170105
101023	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20170226	20170105
101660	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20170226	20170105
103688	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
103831	? ? ?	? ? ?	`gcc`	`gcc_-O2_-fomit-frame-pointer`	20170226	20170105
103987	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
104429	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20170226	20170105
104585	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20170226	20170105
104884	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
105131	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20170226	20170105
105157	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
105209	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20170226	20170105
105352	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20170226	20170105
105651	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
105924	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20170226	20170105
105950	? ? ?	? ? ?	`gcc`	`gcc_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
105963	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
105976	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
105976	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
105989	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106002	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
106015	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
106028	? ? ?	? ? ?	`gcc`	`gcc_-Os_-fomit-frame-pointer`	20170226	20170105
106028	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
106106	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
106106	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20170226	20170105
106119	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20170226	20170105
106171	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20170226	20170105
107705	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20170226	20170105
107718	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
107796	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20170226	20170105
108472	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20170226	20170105
108524	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
108537	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
108953	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
108953	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
109057	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
109213	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
109486	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
109577	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
119314	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
119496	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
122096	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
122200	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
122941	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20170226	20170105
123071	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20170226	20170105
127049	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20170226	20170105
127283	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20170226	20170105
128063	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20170226	20170105
128336	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
128648	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
128882	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20170226	20170105
128908	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20170226	20170105
129168	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20170226	20170105
129194	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
129389	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
129545	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
129831	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
130650	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
130767	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
131963	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20170226	20170105
132457	? ? ?	? ? ?	`gcc`	`gcc_-O_-fomit-frame-pointer`	20170226	20170105
132457	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O_-fomit-frame-pointer`	20170226	20170105
132535	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
138541	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
138580	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
466518	? ? ?	? ? ?	`gcc`	`cc`	20170226	20170105
468143	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops`	20170226	20170105
470561	? ? ?	? ? ?	`gcc`	`gcc`	20170226	20170105

Test failure

Implementation: crypto_hash/essence384/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/essence384/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