Implementation notes: amd64, h6sandy, crypto_hashblocks/sha256

Computer: h6sandy
Microarchitecture: amd64; Sandy Bridge (206a7)
Architecture: amd64
CPU ID: GenuineIntel-000206a7-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_hashblocks
Primitive: sha256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
28659	12161 0 0	24203 844 896	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28679	12161 0 0	22515 844 896	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28694	12161 0 0	26147 844 896	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28708	12156 0 0	22157 836 896	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28772	12263 0 0	22611 844 896	`inplace`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28780	12257 0 0	22253 836 896	`inplace`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28803	12263 0 0	26243 844 896	`inplace`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
28952	12263 0 0	24299 844 896	`inplace`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
31713	11398 0 0	21440 780 928	`inplace`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
31964	11516 0 0	21568 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
32168	11566 0 0	24181 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
32615	11171 0 0	22565 804 960	`inplace`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
32874	11377 0 0	22741 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
33145	11721 0 0	24371 844 896	`inplace`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
33153	11619 0 0	24259 844 896	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
33198	11791 0 0	24437 804 960	`inplace`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
34419	11802 0 0	22924 796 960	`inplace`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
35132	11846 0 0	22924 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212

Compiler output

Implementation: dolbeau/amd64-sha
Security model: constbranchindex
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: DO16ROUNDS(i0, i1, i2, i3, c0, c1, c2, c3);
blocks.c: ^
blocks.c: blocks.c:129:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: x1 = _mm_sha256rnds2_epu32(s1, s0, h0); \
blocks.c: ^
blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: blocks.c:131:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: x0 = _mm_sha256rnds2_epu32(s0, x1, h0); \
blocks.c: ^
blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: blocks.c:134:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: s1 = _mm_sha256rnds2_epu32(x1, x0, h1); \
blocks.c: ^
blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: blocks.c:136:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: s0 = _mm_sha256rnds2_epu32(x0, s1, h1); \
blocks.c: ^
blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: blocks.c:139:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: x1 = _mm_sha256rnds2_epu32(s1, s0, h0); \
blocks.c: ^
blocks.c: blocks.c:176:3: error: always_inline function '_mm_sha256rnds2_epu32' requires target feature 'sha', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'sha'
blocks.c: blocks.c:141:8: note: expanded from macro 'DO16ROUNDS'
blocks.c: x0 = _mm_sha256rnds2_epu32(s0, x1, h0); \
blocks.c: ...

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/amd64-sha
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/amd64-sha
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/amd64-sha
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/amd64-sha

Compiler output

Implementation: dolbeau/amd64-sha
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

blocks.c: blocks.c:85:7: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'ssse3'
blocks.c: d0 = _mm_shuffle_epi8(d0, vperm);
blocks.c: ^
blocks.c: blocks.c:86:7: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'ssse3'
blocks.c: d1 = _mm_shuffle_epi8(d1, vperm);
blocks.c: ^
blocks.c: blocks.c:97:7: error: '__builtin_ia32_palignr128' needs target feature ssse3
blocks.c: d0 = _mm_alignr_epi8(d0, d1, 0x08);
blocks.c: ^
blocks.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/tmmintrin.h:152:13: note: expanded from macro '_mm_alignr_epi8'
blocks.c: ((__m128i)__builtin_ia32_palignr128((__v16qi)(__m128i)(a), \
blocks.c: ^
blocks.c: blocks.c:98:7: error: '__builtin_ia32_pblendw128' needs target feature sse4.1
blocks.c: d1 = _mm_blend_epi16(d1, s0, 0xf0);
blocks.c: ^
blocks.c: /usr/lib/llvm-14/lib/clang/14.0.0/include/smmintrin.h:520:14: note: expanded from macro '_mm_blend_epi16'
blocks.c: ((__m128i) __builtin_ia32_pblendw128 ((__v8hi)(__m128i)(V1), \
blocks.c: ^
blocks.c: blocks.c:113:8: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'ssse3'
blocks.c: i0 = _mm_shuffle_epi8(i0, vperm);
blocks.c: ^
blocks.c: blocks.c:114:8: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'ssse3'
blocks.c: i1 = _mm_shuffle_epi8(i1, vperm);
blocks.c: ^
blocks.c: blocks.c:115:8: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex' that is compiled without support for 'ssse3'
blocks.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/amd64-sha

Compiler output

Implementation: dolbeau/amd64-sha
Security model: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

blocks.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:97,
blocks.c: from blocks.c:37:
blocks.c: blocks.c: In function 'crypto_hashblocks_sha256_dolbeau_amd64_sha_constbranchindex':
blocks.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/shaintrin.h:87:1: error: inlining failed in call to 'always_inline' '_mm_sha256rnds2_epu32': target specific option mismatch
blocks.c: 87 | _mm_sha256rnds2_epu32 (__m128i __A, __m128i __B, __m128i __C)
blocks.c: | ^~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:146:22: note: called from here
blocks.c: 146 | s0 = _mm_sha256rnds2_epu32(x0, s1, h1)
blocks.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:188:17: note: in expansion of macro 'DO16ROUNDS'
blocks.c: 188 | DO16ROUNDS(j0, j1, j2, j3, cc, cd, ce, cf);
blocks.c: | ^~~~~~~~~~
blocks.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:97,
blocks.c: from blocks.c:37:
blocks.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/shaintrin.h:87:1: error: inlining failed in call to 'always_inline' '_mm_sha256rnds2_epu32': target specific option mismatch
blocks.c: 87 | _mm_sha256rnds2_epu32 (__m128i __A, __m128i __B, __m128i __C)
blocks.c: | ^~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:144:22: note: called from here
blocks.c: 144 | s1 = _mm_sha256rnds2_epu32(x1, x0, h1); \
blocks.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:188:17: note: in expansion of macro 'DO16ROUNDS'
blocks.c: 188 | DO16ROUNDS(j0, j1, j2, j3, cc, cd, ce, cf);
blocks.c: | ^~~~~~~~~~
blocks.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:97,
blocks.c: from blocks.c:37:
blocks.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/amd64-sha
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/amd64-sha
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/amd64-sha
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/amd64-sha