Implementation notes: amd64, r24000, crypto_kem/bikel3

Computer: r24000
Microarchitecture: amd64; Coffee Lake (906ea)
Architecture: amd64
CPU ID: GenuineIntel-000906ea-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: bikel3
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
5391745143364 72 4166533 892 1748T:ches2021clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5393087106755 72 4130029 892 1748T:ches2021clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5397517106755 72 4130029 892 1748T:ches2021clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5433262109583 72 4133280 892 1780T:ches2021gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
659884654884 72 474535 884 1748T:ches2021clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
665954592821 72 4113984 892 1780T:ches2021gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
675299983634 72 4104568 892 1780T:ches2021gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
730244756438 72 476552 884 1748T:ches2021gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
753041838974 64 462277 884 1748T:avx2clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
780246927837 64 451197 884 1748T:avx2clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
784643727837 64 451197 884 1748T:avx2clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
844261369283 64 492872 884 1780T:avx2gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
924568840056 56 463373 876 1748T:aes-ni-and-pclmulclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
1584237845249 64 466096 884 1780T:avx2gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
1669733347108 64 468184 884 1780T:avx2gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
1714257432023 64 452112 876 1748T:avx2gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
1759854228429 56 451837 876 1748T:aes-ni-and-pclmulclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
1767743928429 56 451837 876 1748T:aes-ni-and-pclmulclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
2016918915295 64 435183 876 1748T:avx2clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
2442213486182 56 4109776 876 1780T:aes-ni-and-pclmulgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
2843828830933 56 450976 868 1748T:aes-ni-and-pclmulgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
2918962246692 56 467728 876 1780T:aes-ni-and-pclmulgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
2981323814432 56 434311 868 1748T:aes-ni-and-pclmulclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
3088920244927 56 465736 876 1780T:aes-ni-and-pclmulgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
3439916839957 56 463237 876 1748T:aes-ni-onlyclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
3595562736855 48 460743 924 1748T:portableclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
4236109125785 48 449767 924 1748T:portableclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
4236443525785 48 449767 924 1748T:portableclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
4257846033087 48 456271 924 1748T:portableclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
4272147828330 56 451733 876 1748T:aes-ni-onlyclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
4289248828330 56 451733 876 1748T:aes-ni-onlyclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5307062082126 56 4105720 876 1780T:aes-ni-onlygcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
5312998177601 48 4101883 940 1780T:portablegcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
5499146613806 56 433695 868 1748T:aes-ni-onlyclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5597542928314 48 448979 932 1748T:portablegcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
5678722411657 48 432129 916 1748T:portableclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024011820240107
5701339142639 48 464355 940 1780T:portablegcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
5742324845868 56 466904 876 1780T:aes-ni-onlygcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
5904733044205 56 465008 876 1780T:aes-ni-onlygcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
6068779830619 56 450592 868 1748T:aes-ni-onlygcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107
6241593041275 48 462795 940 1780T:portablegcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024011820240107

Compiler output

Implementation: T:aes-ni-and-pclmul
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
aes.c: aes.c:9:4: error: "This code requries support for AES_NI and SSSE3"
aes.c: # error "This code requries support for AES_NI and SSSE3"
aes.c: ^
aes.c: 1 error generated.

Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-and-pclmul T:aes-ni-only T:avx2 T:avx512 T:avx512-vpclmul T:ches2021

Compiler output

Implementation: T:avx512
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
decode.c: In file included from decode.c:39:
decode.c: ./gf2x.h:22:10: error: always_inline function '_mm512_loadu_si512' requires target feature 'avx512f', but would be inlined into function 'gf2x_mod_add' that is compiled without support for 'avx512f'
decode.c: va = LOAD(&a_qwords[i]);
decode.c: ^
decode.c: ./x86_64_intrinsic.h:40:27: note: expanded from macro 'LOAD'
decode.c: # define LOAD(mem) _mm512_loadu_si512((mem))
decode.c: ^
decode.c: In file included from decode.c:39:
decode.c: ./gf2x.h:23:10: error: always_inline function '_mm512_loadu_si512' requires target feature 'avx512f', but would be inlined into function 'gf2x_mod_add' that is compiled without support for 'avx512f'
decode.c: vb = LOAD(&b_qwords[i]);
decode.c: ^
decode.c: ./x86_64_intrinsic.h:40:27: note: expanded from macro 'LOAD'
decode.c: # define LOAD(mem) _mm512_loadu_si512((mem))
decode.c: ^
decode.c: In file included from decode.c:39:
decode.c: ./gf2x.h:25:5: error: always_inline function '_mm512_storeu_si512' requires target feature 'avx512f', but would be inlined into function 'gf2x_mod_add' that is compiled without support for 'avx512f'
decode.c: STORE(&c_qwords[i], va ^ vb);
decode.c: ^
decode.c: ./x86_64_intrinsic.h:41:27: note: expanded from macro 'STORE'
decode.c: # define STORE(mem, reg) _mm512_storeu_si512((mem), (reg))
decode.c: ^
decode.c: 3 errors generated.

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512-vpclmul
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512-vpclmul
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512-vpclmul
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx512-vpclmul

Compiler output

Implementation: T:avx512
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE
decode.c: In file included from decode.c:39:
decode.c: gf2x.h: In function 'gf2x_mod_add':
decode.c: gf2x.h:22:8: warning: AVX512F vector return without AVX512F enabled changes the ABI [-Wpsabi]
decode.c: 22 | va = LOAD(&a_qwords[i]);
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/9/include/immintrin.h:55,
decode.c: from x86_64_intrinsic.h:20,
decode.c: from defs.h:103,
decode.c: from bike_defs.h:10,
decode.c: from types.h:13,
decode.c: from decode.h:10,
decode.c: from decode.c:37:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/9/include/avx512fintrin.h:6408:1: error: inlining failed in call to always_inline '_mm512_storeu_si512': target specific option mismatch
decode.c: 6408 | _mm512_storeu_si512 (void *__P, __m512i __A)
decode.c: | ^~~~~~~~~~~~~~~~~~~
decode.c: In file included from defs.h:103,
decode.c: from bike_defs.h:10,
decode.c: from types.h:13,
decode.c: from decode.h:10,
decode.c: from decode.c:37:
decode.c: x86_64_intrinsic.h:41:27: note: called from here
decode.c: 41 | # define STORE(mem, reg) _mm512_storeu_si512((mem), (reg))
decode.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
decode.c: gf2x.h:25:5: note: in expansion of macro 'STORE'
decode.c: 25 | STORE(&c_qwords[i], va ^ vb);
decode.c: | ^~~~~
decode.c: ...

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512-vpclmul
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512-vpclmul
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512-vpclmul
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx512-vpclmul

Namespace violations

Implementation: T:aes-ni-and-pclmul
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
aes.o aes256_enc T
aes.o aes256_key_expansion T
aes_ctr_prf.o aes_ctr_prf T
aes_ctr_prf.o init_aes_ctr_prf_state T
decode.o compute_syndrome T
decode.o decode T
error.o bike_errno B
gf2x_inv.o gf2x_mod_inv T
gf2x_ksqr_portable.o k_squaring T
gf2x_mul.o gf2x_mod_mul T
gf2x_mul.o gf2x_mod_sqr_in_place T
gf2x_mul_pclmul.o gf2x_mul_base T
gf2x_mul_pclmul.o gf2x_sqr T
rotate_portable.o rotate_right T
sampling.o generate_error_vector T
sampling.o generate_indices_mod_z T
sampling.o generate_sparse_rep T
sampling.o get_seeds T
sampling.o sample_uniform_r_bits T
sampling.o sample_uniform_r_bits_with_fixed_prf_context T
sampling_portable.o secure_set_bits T
sha.o sha T
utilities.o r_bits_vector_weight T

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-and-pclmul
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-and-pclmul
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-and-pclmul
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-and-pclmul
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-and-pclmul
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-and-pclmul
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-and-pclmul
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-and-pclmul

Namespace violations

Implementation: T:aes-ni-only
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
aes.o aes256_enc T
aes.o aes256_key_expansion T
aes_ctr_prf.o aes_ctr_prf T
aes_ctr_prf.o init_aes_ctr_prf_state T
decode.o compute_syndrome T
decode.o decode T
error.o bike_errno B
gf2x_inv.o gf2x_mod_inv T
gf2x_ksqr_portable.o k_squaring T
gf2x_mul.o gf2x_mod_mul T
gf2x_mul.o gf2x_mod_sqr_in_place T
gf2x_mul_portable.o gf2x_mul_base T
gf2x_mul_portable.o gf2x_sqr T
rotate_portable.o rotate_right T
sampling.o generate_error_vector T
sampling.o generate_indices_mod_z T
sampling.o generate_sparse_rep T
sampling.o get_seeds T
sampling.o sample_uniform_r_bits T
sampling.o sample_uniform_r_bits_with_fixed_prf_context T
sampling_portable.o secure_set_bits T
sha.o sha T
utilities.o r_bits_vector_weight T

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-only
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-only
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-only
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:aes-ni-only
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-only
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-only
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-only
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:aes-ni-only

Namespace violations

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
aes.o aes256_enc T
aes.o aes256_key_expansion T
aes_ctr_prf.o aes_ctr_prf T
aes_ctr_prf.o init_aes_ctr_prf_state T
decode.o compute_syndrome T
decode.o decode T
error.o bike_errno B
gf2x_inv.o gf2x_mod_inv T
gf2x_ksqr_avx2.o generate_map T
gf2x_ksqr_avx2.o k_squaring T
gf2x_mul.o gf2x_mod_mul T
gf2x_mul.o gf2x_mod_sqr_in_place T
gf2x_mul_pclmul.o gf2x_mul_base T
gf2x_mul_pclmul.o gf2x_sqr T
rotate_avx2.o rotate_right T
sampling.o generate_error_vector T
sampling.o generate_indices_mod_z T
sampling.o generate_sparse_rep T
sampling.o get_seeds T
sampling.o sample_uniform_r_bits T
sampling.o sample_uniform_r_bits_with_fixed_prf_context T
sampling_avx2.o secure_set_bits T
sha.o sha T
utilities.o r_bits_vector_weight T

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:avx2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:avx2

Namespace violations

Implementation: T:ches2021
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
decode.o compute_syndrome T
decode.o dump1 T
error.o bike_errno B
gf2x_ksqr_avx2.o generate_map T
rkara3_mul_avx2.o add_shr4 T
rkara3_mul_avx2.o rkara3_mul_24576 T
sampling.o generate_indices_mod_z T
sampling.o sample_uniform_r_bits_with_fixed_prf_context T

Number of similar (compiler,implementation) pairs: 8, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:ches2021
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:ches2021
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:ches2021
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:ches2021
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ches2021
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ches2021
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ches2021
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:ches2021

Namespace violations

Implementation: T:portable
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE
aes_ctr_prf.o aes_ctr_prf T
aes_ctr_prf.o init_aes_ctr_prf_state T
decode.o compute_syndrome T
decode.o decode T
error.o bike_errno B
gf2x_inv.o gf2x_mod_inv T
gf2x_ksqr_portable.o k_squaring T
gf2x_mul.o gf2x_mod_mul T
gf2x_mul.o gf2x_mod_sqr_in_place T
gf2x_mul_portable.o gf2x_mul_base T
gf2x_mul_portable.o gf2x_sqr T
rotate_portable.o rotate_right T
sampling.o generate_error_vector T
sampling.o generate_indices_mod_z T
sampling.o generate_sparse_rep T
sampling.o get_seeds T
sampling.o sample_uniform_r_bits T
sampling.o sample_uniform_r_bits_with_fixed_prf_context T
sampling_portable.o secure_set_bits T
utilities.o r_bits_vector_weight T

Number of similar (compiler,implementation) pairs: 9, namely:
CompilerImplementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:portable
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:portable
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:portable
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:portable
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portable