Implementation notes: amd64, genji154, crypto_hash/essence256

Computer: genji154
Architecture: amd64
CPU ID: GenuineIntel-00050671-bfebfbff
SUPERCOP version: 20170228
Operation: crypto_hash
Primitive: essence256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
114140	? ? ?	? ? ?	`gcc`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
114205	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
114387	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx2_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
114426	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
114686	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-march=x86-64_-mcpu=core-avx2_-mavx2_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
114725	? ? ?	? ? ?	`gcc`	`clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
116961	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer`	20170226	20170105
117234	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer`	20170226	20170105
121849	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O3_-fomit-frame-pointer`	20170226	20170105
122434	? ? ?	? ? ?	`gcc`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20170410	20170228
122447	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
122655	? ? ?	? ? ?	`gcc`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
122824	? ? ?	? ? ?	`gcc`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20170410	20170228
129831	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20170226	20170105
129831	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20170226	20170105
133211	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
133627	? ? ?	? ? ?	`gcc`	`gcc_-O3_-fomit-frame-pointer`	20170226	20170105
133692	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
134446	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer`	20170226	20170105
134953	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
134966	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20170226	20170105
135122	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
135226	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
135603	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20170226	20170105
135629	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
135642	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20170226	20170105
136149	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
136162	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
136240	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20170226	20170105
136695	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
137761	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O3_-fomit-frame-pointer`	20170226	20170105
137904	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
137956	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20170226	20170105
137969	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer`	20170226	20170105
137982	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer`	20170226	20170105
138164	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
138229	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
138359	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
138450	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
138489	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20170226	20170105
146887	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
146913	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
147056	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
147082	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
147082	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20170226	20170105
147186	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
150774	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer`	20170226	20170105
151307	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer`	20170226	20170105
152776	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-Os_-fomit-frame-pointer`	20170226	20170105
154219	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20170226	20170105
154401	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20170226	20170105
162877	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
163345	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
165230	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20170226	20170105
165477	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20170226	20170105
165711	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
166803	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
166920	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
169923	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O2_-fomit-frame-pointer`	20170226	20170105
170638	? ? ?	? ? ?	`gcc`	`gcc_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
170638	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
170768	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20170226	20170105
170846	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
170963	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
170963	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer`	20170226	20170105
171093	? ? ?	? ? ?	`gcc`	`gcc_-Os_-fomit-frame-pointer`	20170226	20170105
172458	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20170226	20170105
172510	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20170226	20170105
172523	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
172562	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20170226	20170105
172679	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20170226	20170105
173953	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
174200	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
175695	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
175747	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20170226	20170105
175760	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20170226	20170105
176098	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20170226	20170105
177814	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer`	20170226	20170105
178464	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer`	20170226	20170105
178620	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer`	20170226	20170105
182507	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
183040	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
184496	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer`	20170226	20170105
184964	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O2_-fomit-frame-pointer`	20170226	20170105
185029	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20170226	20170105
185224	? ? ?	? ? ?	`gcc`	`gcc_-O2_-fomit-frame-pointer`	20170226	20170105
186082	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
186277	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20170226	20170105
186342	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer`	20170226	20170105
188045	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20170226	20170105
188058	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer`	20170226	20170105
188175	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer`	20170226	20170105
200616	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20170226	20170105
200616	? ? ?	? ? ?	`gcc`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20170226	20170105
201851	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
201890	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
202267	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
202345	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer`	20170226	20170105
202410	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx2_-O_-fomit-frame-pointer`	20170226	20170105
202566	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20170226	20170105
203255	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
203528	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20170226	20170105
204893	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
205218	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20170226	20170105
209664	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
209937	? ? ?	? ? ?	`gcc`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20170226	20170105
210392	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer`	20170226	20170105
211094	? ? ?	? ? ?	`gcc`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
211354	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20170226	20170105
213317	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer`	20170226	20170105
213395	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer`	20170226	20170105
213460	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20170226	20170105
217620	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=corei7_-O_-fomit-frame-pointer`	20170226	20170105
221962	? ? ?	? ? ?	`gcc`	`gcc_-O_-fomit-frame-pointer`	20170226	20170105
222066	? ? ?	? ? ?	`gcc`	`gcc_-m64_-O_-fomit-frame-pointer`	20170226	20170105
222768	? ? ?	? ? ?	`gcc`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20170226	20170105
231400	? ? ?	? ? ?	`gcc`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
231543	? ? ?	? ? ?	`gcc`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20170226	20170105
799773	? ? ?	? ? ?	`gcc`	`gcc_-funroll-loops`	20170226	20170105
801073	? ? ?	? ? ?	`gcc`	`gcc`	20170226	20170105
802594	? ? ?	? ? ?	`gcc`	`cc`	20170226	20170105

Test failure

Implementation: crypto_hash/essence256/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/essence256/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