Implementation notes: amd64, hedera, crypto_sign/rainbow1aclassic363232

Computer: hedera
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20210326
Operation: crypto_sign
Primitive: rainbow1aclassic363232

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
176914	147231 8 0	174085 932 1848	`T:ssse3`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
177692	140062 8 0	185640 916 1792	`T:ssse3`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
182904	113015 8 0	161696 916 1792	`T:ssse3`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
183585	113015 8 0	161696 916 1792	`T:ssse3`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
209885	86845 8 0	136309 932 1848	`T:ssse3`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
211910	84852 8 0	132894 908 1792	`T:ssse3`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
226213	87180 8 0	136045 932 1848	`T:ssse3`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
283871	47533 8 0	102421 924 1816	`T:ssse3`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
331054	136721 0 0	197965 924 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
351779	104112 0 0	165376 908 1792	`T:amd64`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
357986	196866 0 0	257925 924 1848	`T:amd64`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
378236	97726 0 0	158160 908 1792	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
383207	114783 0 0	177040 908 1792	`T:amd64`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
385083	107180 0 0	167760 908 1792	`T:amd64`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
385979	107180 0 0	167760 908 1792	`T:amd64`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
458982	61530 0 0	120462 900 1792	`T:amd64`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
460576	83043 0 0	143013 924 1848	`T:amd64`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
491231	101054 0 0	159600 908 1792	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
491671	101054 0 0	159600 908 1792	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
493653	108312 0 0	168680 908 1792	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
510934	87409 0 0	147205 924 1848	`T:amd64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
699611	53266 0 0	113253 924 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
708219	51731 0 0	110614 900 1792	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210128	20210114
759918	54183 0 0	113973 924 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
788406	28965 0 0	88101 916 1816	`T:amd64`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114
1190364	26116 0 0	85117 916 1816	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210128	20210114

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blas_matrix_avx2.c: blas_matrix_avx2.c:40:9: error: always_inline function '_mm256_shuffle_epi8' requires target feature 'avx2', but would be inlined into function 'gf16mat_prod_16_multab_avx2' that is compiled without support for 'avx2'
blas_matrix_avx2.c: rl ^= _mm256_shuffle_epi8( mt , inp&mask_f );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: blas_matrix_avx2.c:41:9: error: always_inline function '_mm256_shuffle_epi8' requires target feature 'avx2', but would be inlined into function 'gf16mat_prod_16_multab_avx2' that is compiled without support for 'avx2'
blas_matrix_avx2.c: rh ^= _mm256_shuffle_epi8( mt , _mm256_srli_epi16(_mm256_andnot_si256(mask_f,inp),4) );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: blas_matrix_avx2.c:41:35: error: always_inline function '_mm256_srli_epi16' requires target feature 'avx2', but would be inlined into function 'gf16mat_prod_16_multab_avx2' that is compiled without support for 'avx2'
blas_matrix_avx2.c: rh ^= _mm256_shuffle_epi8( mt , _mm256_srli_epi16(_mm256_andnot_si256(mask_f,inp),4) );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: blas_matrix_avx2.c:41:53: error: always_inline function '_mm256_andnot_si256' requires target feature 'avx2', but would be inlined into function 'gf16mat_prod_16_multab_avx2' that is compiled without support for 'avx2'
blas_matrix_avx2.c: rh ^= _mm256_shuffle_epi8( mt , _mm256_srli_epi16(_mm256_andnot_si256(mask_f,inp),4) );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: blas_matrix_avx2.c:44:19: error: always_inline function '_mm256_slli_epi16' requires target feature 'avx2', but would be inlined into function 'gf16mat_prod_16_multab_avx2' that is compiled without support for 'avx2'
blas_matrix_avx2.c: __m256i r = rl ^ _mm256_slli_epi16( rh , 4 );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: blas_matrix_avx2.c:46:15: error: '__builtin_ia32_extract128i256' needs target feature avx2
blas_matrix_avx2.c: __m128i r1 = _mm256_extracti128_si256( r , 1 );
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/avx2intrin.h:844:12: note: expanded from macro '_mm256_extracti128_si256'
blas_matrix_avx2.c: (__m128i)__builtin_ia32_extract128i256((__v4di)(__m256i)(V), (int)(M))
blas_matrix_avx2.c: ^
blas_matrix_avx2.c: 6 errors generated.

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

Compiler	Implementations
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

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blas_comm.c: In file included from blas_comm.c:6:
blas_comm.c: In file included from ./blas.h:25:
blas_comm.c: ./blas_avx2.h:88:17: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'gf256v_add_avx2' that is compiled without support for 'avx'
blas_comm.c: __m256i inp = _mm256_loadu_si256( (__m256i*) (a+i*32) );
blas_comm.c: ^
blas_comm.c: ./blas_avx2.h:89:17: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'gf256v_add_avx2' that is compiled without support for 'avx'
blas_comm.c: __m256i out = _mm256_loadu_si256( (__m256i*) (accu_b+i*32) );
blas_comm.c: ^
blas_comm.c: ./blas_avx2.h:91:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'avx', but would be inlined into function 'gf256v_add_avx2' that is compiled without support for 'avx'
blas_comm.c: _mm256_storeu_si256( (__m256i*) (accu_b+i*32) , out );
blas_comm.c: ^
blas_comm.c: 3 errors generated.

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

blas_matrix_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
blas_matrix_avx2.c: from gf16_avx2.h:22,
blas_matrix_avx2.c: from blas_matrix_avx2.c:9:
blas_matrix_avx2.c: gf16_avx2.h: In function 'tbl32_gf16_log':
blas_matrix_avx2.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:588:1: error: inlining failed in call to always_inline '_mm256_shuffle_epi8': target specific option mismatch
blas_matrix_avx2.c: _mm256_shuffle_epi8 (__m256i __X, __m256i __Y)
blas_matrix_avx2.c: ^~~~~~~~~~~~~~~~~~~
blas_matrix_avx2.c: In file included from blas_matrix_avx2.c:9:
blas_matrix_avx2.c: gf16_avx2.h:45:9: note: called from here
blas_matrix_avx2.c: return _mm256_shuffle_epi8(tab_l,a);
blas_matrix_avx2.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
blas_matrix_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
blas_matrix_avx2.c: from gf16_avx2.h:22,
blas_matrix_avx2.c: from blas_matrix_avx2.c:9:
blas_matrix_avx2.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:588:1: error: inlining failed in call to always_inline '_mm256_shuffle_epi8': target specific option mismatch
blas_matrix_avx2.c: _mm256_shuffle_epi8 (__m256i __X, __m256i __Y)
blas_matrix_avx2.c: ^~~~~~~~~~~~~~~~~~~
blas_matrix_avx2.c: In file included from blas_matrix_avx2.c:9:
blas_matrix_avx2.c: gf16_avx2.h:45:9: note: called from here
blas_matrix_avx2.c: return _mm256_shuffle_epi8(tab_l,a);
blas_matrix_avx2.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

Compiler	Implementations
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

Compiler output

Implementation: T:ssse3
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blas_matrix_ref.c: In file included from blas_matrix_ref.c:6:
blas_matrix_ref.c: In file included from ./blas.h:25:
blas_matrix_ref.c: In file included from ./blas_sse.h:16:
blas_matrix_ref.c: ./gf16_sse.h:34:9: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'linear_transform_8x8_128b' that is compiled without support for 'ssse3'
blas_matrix_ref.c: return _mm_shuffle_epi8(tab_l,v&mask_f)^_mm_shuffle_epi8(tab_h,_mm_srli_epi16(v,4)&mask_f);
blas_matrix_ref.c: ^
blas_matrix_ref.c: ./gf16_sse.h:34:42: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'linear_transform_8x8_128b' that is compiled without support for 'ssse3'
blas_matrix_ref.c: return _mm_shuffle_epi8(tab_l,v&mask_f)^_mm_shuffle_epi8(tab_h,_mm_srli_epi16(v,4)&mask_f);
blas_matrix_ref.c: ^
blas_matrix_ref.c: 2 errors generated.

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ssse3

Namespace violations

Implementation: T:amd64
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 18, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:amd64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:amd64
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:amd64
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:amd64
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:amd64
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:amd64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:amd64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:amd64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:amd64
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref

Namespace violations

Implementation: T:ssse3
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blas_comm.o gf256v_is_zero T
blas_comm.o gf256v_set_zero T
blas_matrix.o gf16mat_inv_32x32 T
blas_matrix.o gf16mat_prod T
blas_matrix.o gf16mat_solve_linear_eq_32x32 T
blas_matrix.o gf256mat_inv_32x32 T
blas_matrix.o gf256mat_inv_36x36 T
blas_matrix.o gf256mat_prod T
blas_matrix.o gf256mat_solve_linear_eq_48x48 T
blas_matrix.o gf256mat_solve_linear_eq_64x64 T
blas_matrix_ref.o gf16mat_inv_32x32_ref T
blas_matrix_ref.o gf16mat_prod_ref T
blas_matrix_ref.o gf16mat_solve_linear_eq_32x32_ref T
blas_matrix_ref.o gf256mat_inv_32x32_ref T
blas_matrix_ref.o gf256mat_inv_36x36_ref T
blas_matrix_ref.o gf256mat_prod_ref T
blas_matrix_ref.o gf256mat_solve_linear_eq_48x48_ref T
blas_matrix_ref.o gf256mat_solve_linear_eq_64x64_ref T
blas_matrix_sse.o gf16mat_inv_32x32_sse T
blas_matrix_sse.o gf16mat_prod_16_sse T
blas_matrix_sse.o gf16mat_prod_add_multab_sse T
blas_matrix_sse.o gf16mat_prod_multab_sse T
blas_matrix_sse.o gf16mat_prod_sse T
blas_matrix_sse.o gf16mat_solve_linear_eq_32x32_sse T
blas_matrix_sse.o gf256mat_inv_32x32_sse T
blas_matrix_sse.o gf256mat_inv_36x36_sse T
blas_matrix_sse.o gf256mat_prod_add_multab_sse T
blas_matrix_sse.o gf256mat_prod_add_sse T
blas_matrix_sse.o gf256mat_prod_multab_sse T
blas_matrix_sse.o gf256mat_prod_sse T
blas_matrix_sse.o gf256mat_solve_linear_eq_48x48_sse T
blas_matrix_sse.o gf256mat_solve_linear_eq_64x64_sse T
gf16.o __gf16_exp R
gf16.o __gf16_inv R
gf16.o __gf16_log R
gf16.o __gf16_mul D
gf16.o __gf16_mulx2 R
gf16.o __gf16_squ R
gf16.o __gf16_squ_sl4 R
gf16.o __gf16_squ_x8 R
gf16.o __gf256_mul R
gf16.o __mask_0x55 R
gf16.o __mask_16 R
gf16.o __mask_low R
parallel_matrix_op.o UpperTrianglize T
parallel_matrix_op.o batch_2trimat_madd_gf16 T
parallel_matrix_op.o batch_2trimat_madd_gf256 T
parallel_matrix_op.o batch_bmatTr_madd_gf16 T
parallel_matrix_op.o batch_bmatTr_madd_gf256 T
parallel_matrix_op.o batch_matTr_madd_gf16 T
parallel_matrix_op.o batch_matTr_madd_gf256 T
parallel_matrix_op.o batch_mat_madd_gf16 T
parallel_matrix_op.o batch_mat_madd_gf256 T
parallel_matrix_op.o batch_quad_recmat_eval_gf16 T
parallel_matrix_op.o batch_quad_recmat_eval_gf256 T
parallel_matrix_op.o batch_quad_trimat_eval_gf16 T
parallel_matrix_op.o batch_quad_trimat_eval_gf256 T
parallel_matrix_op.o batch_trimatTr_madd_gf16 T
parallel_matrix_op.o batch_trimatTr_madd_gf256 T
parallel_matrix_op.o batch_trimat_madd_gf16 T
parallel_matrix_op.o batch_trimat_madd_gf256 T
parallel_matrix_op_sse.o batch_2trimat_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_2trimat_madd_multab_gf256_sse T
parallel_matrix_op_sse.o batch_bmatTr_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_bmatTr_madd_multab_gf256_sse T
parallel_matrix_op_sse.o batch_matTr_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_matTr_madd_multab_gf256_sse T
parallel_matrix_op_sse.o batch_mat_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_mat_madd_multab_gf256_sse T
parallel_matrix_op_sse.o batch_quad_trimat_eval_multab_gf16_sse T
parallel_matrix_op_sse.o batch_quad_trimat_eval_multab_gf256_sse T
parallel_matrix_op_sse.o batch_trimatTr_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_trimatTr_madd_multab_gf256_sse T
parallel_matrix_op_sse.o batch_trimat_madd_multab_gf16_sse T
parallel_matrix_op_sse.o batch_trimat_madd_multab_gf256_sse T
rainbow_keypair.o cpk_to_pk T
rainbow_keypair.o generate_compact_keypair_cyclic T
rainbow_keypair.o generate_keypair T
rainbow_keypair.o generate_keypair_cyclic T
rainbow_keypair.o generate_secretkey T
rainbow_keypair.o generate_secretkey_cyclic T
rainbow_keypair.o sk_to_pk T
rainbow_keypair_computation.o calculate_Q_from_F T
rainbow_keypair_computation.o calculate_Q_from_F_cyclic T
rainbow_keypair_computation.o crypto_core T
rainbow_keypair_computation.o extcpk_to_pk T
rainbow_keypair_computation_simd.o calculate_F_from_Q_simd T
rainbow_keypair_computation_simd.o calculate_Q_from_F_cyclic_simd T
rainbow_keypair_computation_simd.o calculate_Q_from_F_simd T
rainbow_publicmap.o rainbow_publicmap T
rainbow_publicmap.o rainbow_publicmap_cpk T
rainbow_simd.o rainbow_sign T
rainbow_simd.o rainbow_sign_cyclic T
rainbow_simd.o rainbow_verify T
rainbow_simd.o rainbow_verify_cyclic T
rng.o AES256_CTR_DRBG_Update T
rng.o AES256_ECB T
rng.o DRBG_ctx C
rng.o handleErrors T
rng.o randombytes_init T
rng.o randombytes_init_with_state T
rng.o randombytes_with_state T
rng.o seedexpander T
rng.o seedexpander_init T
utils.o byte_fdump T
utils.o byte_fget T
utils.o byte_from_binfile T
utils.o byte_from_file T
utils.o byte_read_file T
utils_hash.o hash_msg T
utils_prng.o prng_gen T
utils_prng.o prng_set T

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ssse3
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ssse3
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ssse3
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ssse3
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ssse3
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ssse3
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ssse3
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ssse3