Implementation notes: amd64, samba, crypto_dh/k277taa

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_dh
Primitive: k277taa

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
182625	40683 0 0	63187 852 1760	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
184634	40683 0 0	63499 852 1792	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
185517	40747 0 0	60299 852 1728	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
197247	22893 0 0	43573 812 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
198515	24125 0 0	46965 812 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
200224	20203 0 0	40541 844 1792	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
221870	20421 0 0	39269 804 1760	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
229191	21534 0 0	41613 812 1792	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107

Compiler output

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

dh.c: In file included from dh.c:6:
dh.c: ./ffa.h:123:12: error: '__builtin_ia32_palignr128' needs target feature ssse3
dh.c: a_01 = _mm_alignr_epi8(a_02, a_01, 8);
dh.c: ^
dh.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/tmmintrin.h:152:13: note: expanded from macro '_mm_alignr_epi8'
dh.c: ((__m128i)__builtin_ia32_palignr128((__v16qi)(__m128i)(a), \
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./ffa.h:132:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: FFA_RED_277_STP(a,P,m,t_00,mul);
dh.c: ^
dh.c: ./ffa.h:110:5: note: expanded from macro 'FFA_RED_277_STP'
dh.c: ffa_red_277_stp(A##_00,A##_01,A##_02,P##_00,P##_01,P##_02,\
dh.c: ^
dh.c: ./ffa.h:90:12: note: expanded from macro 'ffa_red_277_stp'
dh.c: m_00 = _mm_clmulepi64_si128(mul, P_00, 0x00);\
dh.c: ^
dh.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/__wmmintrin_pclmul.h:45:13: note: expanded from macro '_mm_clmulepi64_si128'
dh.c: ((__m128i)__builtin_ia32_pclmulqdq128((__v2di)(__m128i)(X), \
dh.c: ^
dh.c: In file included from dh.c:6:
dh.c: ./ffa.h:132:5: error: '__builtin_ia32_pclmulqdq128' needs target feature pclmul
dh.c: ./ffa.h:110:5: note: expanded from macro 'FFA_RED_277_STP'
dh.c: ffa_red_277_stp(A##_00,A##_01,A##_02,P##_00,P##_01,P##_02,\
dh.c: ^
dh.c: ...

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

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