Implementation notes: amd64, h8atom, crypto_encode/761xfreeze3

Computer: h8atom
Architecture: amd64
CPU ID: GenuineIntel-00030661-bfebfbff
SUPERCOP version: 20200618
Operation: crypto_encode
Primitive: 761xfreeze3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3556	1439 0 0	13382 776 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200410	20200409
5306	647 0 0	12217 776 728	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200410	20200409
6055	679 0 0	11017 776 728	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200410	20200409
6069	679 0 0	11017 776 728	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200410	20200409
6069	679 0 0	12361 776 728	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200410	20200409
12306	96 0 0	8663 768 728	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200410	20200409
12992	107 0 0	9773 768 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200410	20200409
13755	95 0 0	9001 752 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200410	20200409
13776	105 0 0	9805 768 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200410	20200409

Compiler output

Implementation: avx
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encode.c: encode.c:15:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: __m256i x = _mm256_loadu_si256((__m256i *) r);
encode.c: ^
encode.c: encode.c:16:19: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:16:41: error: always_inline function '_mm256_set1_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:17:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: x = _mm256_sub_epi16(x,y);
encode.c: ^
encode.c: encode.c:18:11: error: always_inline function '_mm256_add_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: y = _mm256_add_epi16(y,y);
encode.c: ^
encode.c: encode.c:19:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: x = _mm256_sub_epi16(x,y);
encode.c: ^
encode.c: encode.c:20:20: error: always_inline function '_mm256_undefined_si256' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: __m128i x0 = _mm256_extractf128_si256(x,0);
encode.c: ^
encode.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/avxintrin.h:4857:14: note: expanded from macro '_mm256_extractf128_si256'
encode.c: (__v4di)(_mm256_undefined_si256()), \
encode.c: ^
encode.c: encode.c:21:20: error: always_inline function '_mm256_undefined_si256' requires target feature 'xsave', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'xsave'
encode.c: ...

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

Implementation: avx
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encode.c: encode.c:15:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'sse4.2'
encode.c: __m256i x = _mm256_loadu_si256((__m256i *) r);
encode.c: ^
encode.c: encode.c:16:19: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'avx2'
encode.c: __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:16:41: error: always_inline function '_mm256_set1_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'sse4.2'
encode.c: __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:17:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'avx2'
encode.c: x = _mm256_sub_epi16(x,y);
encode.c: ^
encode.c: encode.c:18:11: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'avx2'
encode.c: y = _mm256_add_epi16(y,y);
encode.c: ^
encode.c: encode.c:19:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'avx2'
encode.c: x = _mm256_sub_epi16(x,y);
encode.c: ^
encode.c: encode.c:20:20: error: always_inline function '_mm256_undefined_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'sse4.2'
encode.c: __m128i x0 = _mm256_extractf128_si256(x,0);
encode.c: ^
encode.c: /usr/lib/llvm-6.0/lib/clang/6.0.0/include/avxintrin.h:4857:14: note: expanded from macro '_mm256_extractf128_si256'
encode.c: (__v4di)(_mm256_undefined_si256()), \
encode.c: ^
encode.c: encode.c:21:20: error: always_inline function '_mm256_undefined_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_761xfreeze3_avx' that is compiled without support for 'sse4.2'
encode.c: ...

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

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

Compiler output

Implementation: avx
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encode.c: encode.c: In function 'crypto_encode_761xfreeze3_avx':
encode.c: encode.c:15:15: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
encode.c: __m256i x = _mm256_loadu_si256((__m256i *) r);
encode.c: ^
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encode.c: from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:523:1: error: inlining failed in call to always_inline '_mm256_extractf128_si256': target specific option mismatch
encode.c: _mm256_extractf128_si256 (__m256i __X, const int __N)
encode.c: ^~~~~~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:21:15: note: called from here
encode.c: __m128i x1 = _mm256_extractf128_si256(x,1);
encode.c: ^~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
encode.c: from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:523:1: error: inlining failed in call to always_inline '_mm256_extractf128_si256': target specific option mismatch
encode.c: _mm256_extractf128_si256 (__m256i __X, const int __N)
encode.c: ^~~~~~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:20:15: note: called from here
encode.c: __m128i x0 = _mm256_extractf128_si256(x,0);
encode.c: ^~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
encode.c: from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:808:1: error: inlining failed in call to always_inline '_mm256_sub_epi16': target specific option mismatch
encode.c: _mm256_sub_epi16 (__m256i __A, __m256i __B)
encode.c: ^~~~~~~~~~~~~~~~
encode.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx