Implementation notes: amd64, firefly, crypto_encode/256x2

Computer: firefly
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20201130
Operation: crypto_encode
Primitive: 256x2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
23	334 0 0	12478 816 768	`avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
46	216 0 0	10983 792 744	`avx`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
46	216 0 0	11887 792 744	`avx`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
46	216 0 0	10983 792 744	`avx`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
46	216 0 0	9421 784 728	`avx`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
46	290 0 0	10461 808 768	`avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
46	287 0 0	10309 808 768	`avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
46	287 0 0	9453 792 768	`avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
920	108 0 0	9309 784 728	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
943	130 0 0	12262 816 768	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
989	122 0 0	10261 808 768	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
989	106 0 0	9237 792 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
1081	155 0 0	10919 792 744	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
1081	155 0 0	11823 792 744	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
1081	155 0 0	10919 792 744	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
1104	113 0 0	10109 808 768	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
1541	148 0 0	11311 792 728	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130

Compiler output

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

encode.c: encode.c:7:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a0 = _mm256_loadu_si256(0+(__m256i *) v);
encode.c: ^
encode.c: encode.c:8:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a1 = _mm256_loadu_si256(1+(__m256i *) v);
encode.c: ^
encode.c: encode.c:9:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a2 = _mm256_loadu_si256(2+(__m256i *) v);
encode.c: ^
encode.c: encode.c:10:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a3 = _mm256_loadu_si256(3+(__m256i *) v);
encode.c: ^
encode.c: encode.c:11:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a4 = _mm256_loadu_si256(4+(__m256i *) v);
encode.c: ^
encode.c: encode.c:12:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a5 = _mm256_loadu_si256(5+(__m256i *) v);
encode.c: ^
encode.c: encode.c:13:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a6 = _mm256_loadu_si256(6+(__m256i *) v);
encode.c: ^
encode.c: encode.c:14:16: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' that is compiled without support for 'sse4.2'
encode.c: __m256i a7 = _mm256_loadu_si256(7+(__m256i *) v);
encode.c: ^
encode.c: encode.c:15:20: error: always_inline function '_mm256_set1_epi8' requires target feature 'sse4.2', but would be inlined into function 'crypto_encode_256x2_avx_constbranchindex' 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