Implementation notes: amd64, samba, crypto_encode/953x2115round

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_encode
Primitive: 953x2115round

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1174	3040 0 0	16427 844 960	`avx`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20230530
1203	3020 0 0	16341 804 960	`avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
1213	2368 0 0	15459 844 928	`avx`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20230530
1213	1639 0 0	12837 804 960	`avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
1218	1659 0 0	11739 844 896	`avx`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20230530
1264	1589 0 0	11448 780 928	`avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
1335	1431 0 0	12317 836 960	`avx`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20230530
1426	891 0 0	16907 844 928	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
1451	891 0 0	17203 844 960	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
1489	1646 0 0	17437 804 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
1590	351 0 0	15299 844 896	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
1689	1722 0 0	12540 796 960	`avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
3114	117 0 0	13123 844 896	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
3196	110 0 0	13925 836 960	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
3229	207 0 0	13877 804 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
3263	204 0 0	12584 780 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
3931	201 0 0	13500 796 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -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_953x2115round_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x = _mm256_loadu_si256((__m256i *) (reading+0));
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:35:10: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x2 = _mm256_loadu_si256((__m256i *) (reading+16));
encode.c: ^
encode.c: encode.c:35:10: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:36:31: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:36:31: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:36:9: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: x = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:36:9: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:37:33: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx'
encode.c: x2 = _mm256_mulhrs_epi16(x2,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:37:33: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:37:10: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c: x2 = _mm256_mulhrs_epi16(x2,_mm256_set1_epi16(10923));
encode.c: ^
encode.c: encode.c:37:10: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:38:28: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_953x2115round_avx_constbranchindex' that is compiled without support for 'avx2'
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