Implementation notes: amd64, speed2supercop, crypto_core/aes256decrypt

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_core
Primitive: aes256decrypt
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
204678 0 015510 792 776dolbeau/aesenc-intclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
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204678 0 011646 792 760dolbeau/aesenc-intclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
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70811596 0 025254 792 760T:dolbeau/std-4rt-nodkclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
7167474 0 018540 744 832T:dolbeau/std-2rt-nodkgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
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7285533 0 016797 752 832T:dolbeau/std-1rt-nodkgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
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7727605 0 022438 792 776T:dolbeau/std-2rt-nodkclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
7765550 0 016526 792 760T:dolbeau/std-1rt-nodkclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
7767605 0 022630 792 776T:dolbeau/std-2rt-nodkclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
7807636 0 021286 792 760T:dolbeau/std-2rt-nodkclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
8045611 0 017447 784 856T:dolbeau/std-1rt-nodkclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
8167706 0 019543 784 856T:dolbeau/std-2rt-nodkclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
82411782 0 023607 784 856T:dolbeau/std-4rt-nodkclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1360140 0 015360 808 776T:opensslclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1364140 0 015168 808 776T:opensslclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1364140 0 011304 808 760T:opensslclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1364140 0 012177 800 856T:opensslclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1364140 0 013984 808 760T:opensslclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1368139 0 011413 776 832T:opensslgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1372136 0 011614 784 832T:opensslgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1372136 0 013598 784 832T:opensslgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
1376138 0 010345 760 800T:opensslgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
3017284351 0 017990 792 760refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
5020445039 0 018309 752 832refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
5551204180 0 019190 792 776refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
5777403400 0 018230 792 776refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
8560082336 0 013310 792 760refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
9080402629 0 014343 784 856refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
9157082552 0 013805 752 832refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
10277921951 0 011952 728 800refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625
10286042222 0 013268 744 832refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070120240625

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-16/lib/clang/16/include/__wmmintrin_aes.h:136:13: 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-16/lib/clang/16/include/__wmmintrin_aes.h:136:13: 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:
ImplementationCompiler
dolbeau/aesenc-intclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))

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:
ImplementationCompiler
dolbeau/aesenc-intgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

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:
ImplementationCompiler
T:dolbeau/std-1rt-nodkgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-1rt-nodkgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-1rt-nodkgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-1rt-nodkgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

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:
ImplementationCompiler
T:dolbeau/std-2rt-nodkgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-2rt-nodkgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-2rt-nodkgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-2rt-nodkgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

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:
ImplementationCompiler
T:dolbeau/std-4rt-nodkgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-4rt-nodkgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-4rt-nodkgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:dolbeau/std-4rt-nodkgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

Compiler output


core.c: core.c:12:3: warning: 'AES_set_decrypt_key' is deprecated [-Wdeprecated-declarations]
core.c:   AES_set_decrypt_key(k,256,&kexp);
core.c:   ^
core.c: /usr/include/openssl/aes.h:53:1: note: 'AES_set_decrypt_key' has been explicitly marked deprecated here
core.c: OSSL_DEPRECATEDIN_3_0
core.c: ^
core.c: /usr/include/openssl/macros.h:194:49: note: expanded from macro 'OSSL_DEPRECATEDIN_3_0'
core.c: #   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
core.c:                                                 ^
core.c: /usr/include/openssl/macros.h:62:52: note: expanded from macro 'OSSL_DEPRECATED'
core.c: #     define OSSL_DEPRECATED(since) __attribute__((deprecated))
core.c:                                                    ^
core.c: core.c:13:3: warning: 'AES_decrypt' is deprecated [-Wdeprecated-declarations]
core.c:   AES_decrypt(in,out,&kexp);
core.c:   ^
core.c: /usr/include/openssl/aes.h:59:1: note: 'AES_decrypt' has been explicitly marked deprecated here
core.c: OSSL_DEPRECATEDIN_3_0
core.c: ^
core.c: /usr/include/openssl/macros.h:194:49: note: expanded from macro 'OSSL_DEPRECATEDIN_3_0'
core.c: #   define OSSL_DEPRECATEDIN_3_0                OSSL_DEPRECATED(3.0)
core.c:                                                 ^
core.c: /usr/include/openssl/macros.h:62:52: note: expanded from macro 'OSSL_DEPRECATED'
core.c: #     define OSSL_DEPRECATED(since) __attribute__((deprecated))
core.c:                                                    ^
core.c: 2 warnings generated.

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:opensslclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opensslclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opensslclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opensslclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opensslclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))

Compiler output


core.c: core.c: In function 'crypto_core_aes256decrypt_openssl_timingleaks':
core.c: core.c:12:3: warning: 'AES_set_decrypt_key' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
core.c:    12 |   AES_set_decrypt_key(k,256,&kexp);
core.c:       |   ^~~~~~~~~~~~~~~~~~~
core.c: In file included from core.c:1:
core.c: /usr/include/openssl/aes.h:54:5: note: declared here
core.c:    54 | int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
core.c:       |     ^~~~~~~~~~~~~~~~~~~
core.c: core.c:13:3: warning: 'AES_decrypt' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
core.c:    13 |   AES_decrypt(in,out,&kexp);
core.c:       |   ^~~~~~~~~~~
core.c: /usr/include/openssl/aes.h:60:6: note: declared here
core.c:    60 | void AES_decrypt(const unsigned char *in, unsigned char *out,
core.c:       |      ^~~~~~~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
T:opensslgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:opensslgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:opensslgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:opensslgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

Compiler output


core.c: core.c:55:17: warning: unused variable 'result' [-Wunused-variable]
core.c:   unsigned char result;
core.c:                 ^
core.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))

Compiler output


core.c: core.c: In function 'bytesub':
core.c: core.c:55:17: warning: unused variable 'result' [-Wunused-variable]
core.c:    55 |   unsigned char result;
core.c:       |                 ^~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

Passed TIMECOP


TIMECOP iterations: 1

Number of similar (implementation,compiler) pairs: 17, namely:
ImplementationCompiler
dolbeau/aesenc-intclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
dolbeau/aesenc-intclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
dolbeau/aesenc-intclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
dolbeau/aesenc-intclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
dolbeau/aesenc-intgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
dolbeau/aesenc-intgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)