Implementation notes: amd64, devoptimis, crypto_hashblocks/sha256

Computer: devoptimis
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20190910
Operation: crypto_hashblocks
Primitive: sha256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
27459	11666 0 0	20689 752 776	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
28295	11630 0 0	23670 776 808	`inplace`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
28465	11713 0 0	23718 776 808	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
28489	11710 0 0	21501 768 808	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
50388	11662 0 0	21573 768 808	`inplace`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
53428	11522 0 0	20545 752 776	`inplace`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
62176	11627 0 0	21453 768 808	`inplace`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910
63126	12009 0 0	21893 768 808	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191003	20190910

Compiler output

Implementation: dolbeau/amd64-sha
Security model: unknown
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/7/include/immintrin.h:77:0,
blocks.c: from blocks.c:37:
blocks.c: blocks.c: In function 'crypto_hashblocks_sha256_dolbeau_amd64_sha':
blocks.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/shaintrin.h:87:1: error: inlining failed in call to always_inline '_mm_sha256rnds2_epu32': target specific option mismatch
blocks.c: _mm_sha256rnds2_epu32 (__m128i __A, __m128i __B, __m128i __C)
blocks.c: ^~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:146:6: note: called from here
blocks.c: s0 = _mm_sha256rnds2_epu32(x0, s1, h1)
blocks.c: ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:188:3: note: in expansion of macro 'DO16ROUNDS'
blocks.c: DO16ROUNDS(j0, j1, j2, j3, cc, cd, ce, cf);
blocks.c: ^~~~~~~~~~
blocks.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:77:0,
blocks.c: from blocks.c:37:
blocks.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/shaintrin.h:87:1: error: inlining failed in call to always_inline '_mm_sha256rnds2_epu32': target specific option mismatch
blocks.c: _mm_sha256rnds2_epu32 (__m128i __A, __m128i __B, __m128i __C)
blocks.c: ^~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:144:6: note: called from here
blocks.c: s1 = _mm_sha256rnds2_epu32(x1, x0, h1); \
blocks.c: ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.c: blocks.c:188:3: note: in expansion of macro 'DO16ROUNDS'
blocks.c: DO16ROUNDS(j0, j1, j2, j3, cc, cd, ce, cf);
blocks.c: ^~~~~~~~~~
blocks.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:77:0,
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