Test results for amd64, shoe, crypto_core/aes256decrypt

[Page version: 20260421 01:42:04]

Measurements for amd64, shoe, crypto_core Test results for amd64, shoe, crypto_core Test results for crypto_core/aes256decrypt

Computer: shoe
Microarchitecture: amd64; Broadwell+AES (306d4)
Architecture: amd64
CPU ID: GenuineIntel-000306d4-bfebfbff
SUPERCOP version: 20260330
Operation: crypto_core
Primitive: aes256decrypt

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
306	647 0 0	25022 1232 1432	`dolbeau/aesenc-int`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
306	647 0 0	25262 1232 1464	`dolbeau/aesenc-int`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
310	647 0 0	20660 1224 1432	`dolbeau/aesenc-int`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
322	675 0 0	24690 1200 1528	`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
324	1134 0 0	21932 1224 1432	`dolbeau/aesenc-int`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
328	722 0 0	21325 1176 1496	`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
330	702 0 0	22369 1192 1528	`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
332	745 0 0	22682 1200 1528	`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
668	7441 0 0	29434 1200 1528	`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
673	11575 0 0	33562 1200 1528	`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
676	5488 0 0	26125 1176 1496	`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
678	11498 0 0	35910 1232 1432	`T:dolbeau/std-4rt-nodk`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
685	11493 0 0	34454 1232 1432	`T:dolbeau/std-4rt-nodk`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
686	7436 0 0	31482 1200 1528	`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
696	7552 0 0	28189 1176 1496	`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
702	11498 0 0	36150 1232 1464	`T:dolbeau/std-4rt-nodk`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
704	7463 0 0	29185 1192 1528	`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
710	11623 0 0	32253 1176 1496	`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
717	5384 0 0	28342 1232 1432	`T:dolbeau/std-1rt-nodk`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
718	11575 0 0	35610 1200 1528	`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
719	5473 0 0	27201 1192 1528	`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
722	5414 0 0	29450 1200 1528	`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
722	11646 0 0	33377 1192 1528	`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
728	5457 0 0	27450 1200 1528	`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
758	11831 0 0	32660 1224 1432	`T:dolbeau/std-4rt-nodk`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
760	7501 0 0	32134 1232 1464	`T:dolbeau/std-2rt-nodk`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
762	7501 0 0	31894 1232 1432	`T:dolbeau/std-2rt-nodk`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
770	7497 0 0	30470 1232 1432	`T:dolbeau/std-2rt-nodk`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
772	5508 0 0	29894 1232 1432	`T:dolbeau/std-1rt-nodk`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
775	5508 0 0	30134 1232 1464	`T:dolbeau/std-1rt-nodk`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
812	5562 0 0	25596 1224 1432	`T:dolbeau/std-1rt-nodk`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
824	11747 0 0	31804 1224 1432	`T:dolbeau/std-4rt-nodk`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
831	7613 0 0	27644 1224 1432	`T:dolbeau/std-2rt-nodk`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
915	138 0 0	22301 1232 1496	`T:openssl`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
917	140 0 0	23376 1248 1432	`T:openssl`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
918	138 0 0	24381 1232 1496	`T:openssl`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
920	140 0 0	21214 1240 1432	`T:openssl`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
924	140 0 0	20454 1240 1432	`T:openssl`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
927	140 0 0	20960 1208 1496	`T:openssl`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
930	139 0 0	22020 1224 1496	`T:openssl`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
932	140 0 0	25056 1248 1464	`T:openssl`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
933	140 0 0	24784 1248 1432	`T:openssl`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1041	7967 0 0	28804 1224 1432	`T:dolbeau/std-2rt-nodk`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1174	5855 0 0	26692 1224 1432	`T:dolbeau/std-1rt-nodk`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
453161	9278 0 0	33338 1200 1528	`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
552443	5512 0 0	30182 1232 1464	`ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
566586	5672 0 0	28630 1232 1432	`ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
570663	3208 0 0	27590 1232 1432	`ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
990282	2249 0 0	24202 1200 1528	`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1040591	2170 0 0	23857 1192 1528	`ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1072142	2126 0 0	22204 1224 1432	`ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1232727	1964 0 0	22589 1176 1496	`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217
1564206	2656 0 0	23500 1224 1432	`ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall`	20260302	20260217

Compiler output

core.c: core.c:72:16: error: always_inline function '_mm_aesimc_si128' requires target feature 'aes', but would be inlined into function 'aes256ni_setkey_decrypt' that is compiled without support for 'aes'
core.c:     rkeys[i] = _mm_aesimc_si128(tkeys[14-i]);
core.c:                ^
core.c: core.c:43:3: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
core.c:   BLOCK1(0x01);
core.c:   ^
core.c: core.c:24:11: note: expanded from macro 'BLOCK1'
core.c:   temp1 = _mm_aeskeygenassist_si128(temp2, IMM); \
core.c:           ^
core.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
core.c:   (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
core.c:            ^
core.c: core.c:44:3: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
core.c:   BLOCK2(0x01);
core.c:   ^
core.c: core.c:34:11: note: expanded from macro 'BLOCK2'
core.c:   temp1 = _mm_aeskeygenassist_si128(temp0, IMM); \
core.c:           ^
core.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/__wmmintrin_aes.h:136:12: note: expanded from macro '_mm_aeskeygenassist_si128'
core.c:   (__m128i)__builtin_ia32_aeskeygenassist128((__v2di)(__m128i)(C), (int)(R))
core.c:            ^
core.c: core.c:46:3: error: '__builtin_ia32_aeskeygenassist128' needs target feature aes
core.c:   BLOCK1(0x02);
core.c:   ^
core.c: core.c:24:11: note: expanded from macro 'BLOCK1'
core.c: ...

Number of similar (implementation,compiler) pairs: 1, namely:

Implementation	Compiler
`dolbeau/aesenc-int`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

core.c: core.c: In function 'aes256ni_setkey_decrypt':
core.c: core.c:70: warning: ignoring '#pragma unroll ' [-Wunknown-pragmas]
core.c:    70 | #pragma unroll(13)
core.c:       |
core.c: core.c: In function 'aes256ni_decrypt':
core.c: core.c:80: warning: ignoring '#pragma unroll ' [-Wunknown-pragmas]
core.c:    80 | #pragma unroll(13)
core.c:       |

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

Implementation	Compiler
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

core.c: In file included from core.c:9:
core.c: stdaes-common.h:548:21: warning: 'KT3' defined but not used [-Wunused-variable]
core.c:   548 | static unsigned int KT3[256] = KT0Data;
core.c:       |                     ^~~
core.c: stdaes-common.h:541:21: warning: 'KT2' defined but not used [-Wunused-variable]
core.c:   541 | static unsigned int KT2[256] = KT0Data;
core.c:       |                     ^~~
core.c: stdaes-common.h:534:21: warning: 'KT1' defined but not used [-Wunused-variable]
core.c:   534 | static unsigned int KT1[256] = KT0Data;
core.c:       |                     ^~~
core.c: stdaes-common.h:450:21: warning: 'RT3' defined but not used [-Wunused-variable]
core.c:   450 | static unsigned int RT3[256] = { RT };
core.c:       |                     ^~~
core.c: stdaes-common.h:443:21: warning: 'RT2' defined but not used [-Wunused-variable]
core.c:   443 | static unsigned int RT2[256] = { RT };
core.c:       |                     ^~~
core.c: stdaes-common.h:436:21: warning: 'RT1' defined but not used [-Wunused-variable]
core.c:   436 | static unsigned int RT1[256] = { RT };
core.c:       |                     ^~~
core.c: stdaes-common.h:108:21: warning: 'FT3' defined but not used [-Wunused-variable]
core.c:   108 | static unsigned int FT3[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:100:21: warning: 'FT2' defined but not used [-Wunused-variable]
core.c:   100 | static unsigned int FT2[256] = { FT };
core.c:       |                     ^~~
core.c: ...

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

Implementation	Compiler
`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-1rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

core.c: In file included from core.c:9:
core.c: stdaes-common.h:548:21: warning: 'KT3' defined but not used [-Wunused-variable]
core.c:   548 | static unsigned int KT3[256] = KT0Data;
core.c:       |                     ^~~
core.c: stdaes-common.h:541:21: warning: 'KT2' defined but not used [-Wunused-variable]
core.c:   541 | static unsigned int KT2[256] = KT0Data;
core.c:       |                     ^~~
core.c: stdaes-common.h:450:21: warning: 'RT3' defined but not used [-Wunused-variable]
core.c:   450 | static unsigned int RT3[256] = { RT };
core.c:       |                     ^~~
core.c: stdaes-common.h:443:21: warning: 'RT2' defined but not used [-Wunused-variable]
core.c:   443 | static unsigned int RT2[256] = { RT };
core.c:       |                     ^~~
core.c: stdaes-common.h:108:21: warning: 'FT3' defined but not used [-Wunused-variable]
core.c:   108 | static unsigned int FT3[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:100:21: warning: 'FT2' defined but not used [-Wunused-variable]
core.c:   100 | static unsigned int FT2[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:92:21: warning: 'FT1' defined but not used [-Wunused-variable]
core.c:    92 | static unsigned int FT1[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:84:21: warning: 'FT0' defined but not used [-Wunused-variable]
core.c:    84 | static unsigned int FT0[256] = { FT };
core.c:       |                     ^~~

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

Implementation	Compiler
`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-2rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

core.c: In file included from core.c:9:
core.c: stdaes-common.h:108:21: warning: 'FT3' defined but not used [-Wunused-variable]
core.c:   108 | static unsigned int FT3[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:100:21: warning: 'FT2' defined but not used [-Wunused-variable]
core.c:   100 | static unsigned int FT2[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:92:21: warning: 'FT1' defined but not used [-Wunused-variable]
core.c:    92 | static unsigned int FT1[256] = { FT };
core.c:       |                     ^~~
core.c: stdaes-common.h:84:21: warning: 'FT0' defined but not used [-Wunused-variable]
core.c:    84 | static unsigned int FT0[256] = { FT };
core.c:       |                     ^~~

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

Implementation	Compiler
`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:dolbeau/std-4rt-nodk`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Passed TIMECOP

TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 17, namely:

Implementation	Compiler
`dolbeau/aesenc-int`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`dolbeau/aesenc-int`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`dolbeau/aesenc-int`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`dolbeau/aesenc-int`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`dolbeau/aesenc-int`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`