Implementation notes: amd64, h2atom, crypto_encode/653x1541

Computer: h2atom
Microarchitecture: amd64; Bonnell (106ca)
Architecture: amd64
CPU ID: GenuineIntel-000106ca-bfe9fbff
SUPERCOP version: 20240107
Operation: crypto_encode
Primitive: 653x1541

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
7982	2047 0 0	14458 828 896	`portable`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
10087	2988 0 0	15635 804 960	`portable`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
11142	761 0 0	12235 804 960	`portable`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
11439	1569 0 0	13970 828 896	`portable`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
11528	1035 0 0	12266 828 896	`portable`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
11570	666 0 0	10140 820 896	`portable`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
12419	705 0 0	10558 780 928	`portable`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
13658	805 0 0	11762 796 960	`portable`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
13866	733 0 0	10970 828 896	`portable`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
20532	1482 0 0	13874 828 896	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
20669	902 0 0	12122 828 896	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
23241	1553 0 0	13946 828 896	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
25536	1327 0 0	13955 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
31375	877 0 0	12299 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
32568	573 0 0	10770 828 896	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212
32857	840 0 0	11746 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
34332	781 0 0	10550 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231213	20231212
34959	1053 0 0	10500 820 896	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231213	20231212

Compiler output

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

encode.c: encode.c:34:9: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x = _mm256_loadu_si256((__m256i *) reading);
encode.c: ^
encode.c: encode.c:34:9: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:35:28: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x = _mm256_add_epi16(x,_mm256_set1_epi16(2310));
encode.c: ^
encode.c: encode.c:35:28: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:35:9: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: x = _mm256_add_epi16(x,_mm256_set1_epi16(2310));
encode.c: ^
encode.c: encode.c:35:9: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:36:10: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x &= _mm256_set1_epi16(16383);
encode.c: ^
encode.c: encode.c:36:10: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:37:30: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x = _mm256_mulhi_epi16(x,_mm256_set1_epi16(21846));
encode.c: ^
encode.c: encode.c:37:30: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:37:9: error: always_inline function '_mm256_mulhi_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: x = _mm256_mulhi_epi16(x,_mm256_set1_epi16(21846));
encode.c: ^
encode.c: encode.c:37:9: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:38:13: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_encode_653x1541_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: ...

Number of similar (compiler,implementation) pairs: 5, 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
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx

Compiler output

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

encode.c: encode.c: In function 'crypto_encode_653x1541_avx_constbranchindex':
encode.c: encode.c:34:7: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
encode.c: 34 | x = _mm256_loadu_si256((__m256i *) reading);
encode.c: | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
encode.c: from encode.c:3:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:536:1: error: inlining failed in call to 'always_inline' '_mm256_extract_epi32': target specific option mismatch
encode.c: 536 | _mm256_extract_epi32 (__m256i __X, int const __N)
encode.c: | ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:49:29: note: called from here
encode.c: 49 | *((uint32 *) (out+4)) = _mm256_extract_epi32(x,6);
encode.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
encode.c: from encode.c:3:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:536:1: error: inlining failed in call to 'always_inline' '_mm256_extract_epi32': target specific option mismatch
encode.c: 536 | _mm256_extract_epi32 (__m256i __X, int const __N)
encode.c: | ^~~~~~~~~~~~~~~~~~~~
encode.c: encode.c:48:29: note: called from here
encode.c: 48 | *((uint32 *) (out+0)) = _mm256_extract_epi32(x,4);
encode.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:43,
encode.c: from encode.c:3:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avxintrin.h:530:1: error: inlining failed in call to 'always_inline' '_mm256_extractf128_si256': target specific option mismatch
encode.c: 530 | _mm256_extractf128_si256 (__m256i __X, const int __N)
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