Implementation notes: amd64, scw1b63b1, crypto_decode/761x4591

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_decode
Primitive: 761x4591

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
16432	2583 0 0	12409 784 728	`int16`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
16432	2583 0 0	13233 784 728	`int16`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
16576	2430 0 0	11331 776 728	`int16`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
16590	2583 0 0	12409 784 728	`int16`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
16684	3050 0 0	15076 808 800	`int16`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
16702	2412 0 0	12259 800 800	`int16`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
16768	2416 0 0	11191 784 768	`int16`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
17346	2582 0 0	13305 784 728	`int16`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
17424	2436 0 0	12123 800 800	`int16`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
20630	3000 0 0	12843 800 800	`portable`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
20670	3874 0 0	15900 808 800	`portable`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
23120	3013 0 0	11923 776 728	`portable`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
23122	3208 0 0	13033 784 728	`portable`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
23128	3208 0 0	13857 784 728	`portable`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
23128	3208 0 0	13033 784 728	`portable`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
23472	3207 0 0	13929 784 728	`portable`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
47018	1335 0 0	13364 808 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
48952	2017 0 0	12681 784 728	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
48978	2017 0 0	11857 784 728	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
49000	2017 0 0	11857 784 728	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
49376	1258 0 0	11099 800 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
49654	1893 0 0	11611 800 800	`portable`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
50714	1731 0 0	10551 784 768	`portable`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
51714	2093 0 0	12833 784 728	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
52738	1166 0 0	10059 776 728	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
59094	1058 0 0	9807 784 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
59922	1255 0 0	10923 800 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017

Compiler output

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

decode.c: decode.c:259:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R5[i]);
decode.c: ^
decode.c: decode.c:260:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: S0 = _mm256_cvtepu8_epi16(_mm_loadu_si128((__m128i *) (s+i)));
decode.c: ^
decode.c: decode.c:272:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: decode.c:273:10: error: always_inline function '_mm256_unpackhi_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: ...
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R3[i]);
decode.c: ^
decode.c: decode.c:340:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: S0 = _mm256_cvtepu8_epi16(_mm_loadu_si128((__m128i *) (s+i)));
decode.c: ^
decode.c: decode.c:354:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'xsave'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: fatal error: too many errors emitted, stopping now [-ferror-limit=]
decode.c: 20 errors generated.

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

decode.c: decode.c:259:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R5[i]);
decode.c: ^
decode.c: decode.c:260:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: S0 = _mm256_cvtepu8_epi16(_mm_loadu_si128((__m128i *) (s+i)));
decode.c: ^
decode.c: decode.c:272:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: decode.c:273:10: error: always_inline function '_mm256_unpackhi_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: ...
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R3[i]);
decode.c: ^
decode.c: decode.c:340:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: S0 = _mm256_cvtepu8_epi16(_mm_loadu_si128((__m128i *) (s+i)));
decode.c: ^
decode.c: decode.c:354:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_761x4591_avx' that is compiled without support for 'sse4.2'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: fatal error: too many errors emitted, stopping now [-ferror-limit=]
decode.c: 20 errors generated.

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

decode.c: decode.c: In function ‘add’:
decode.c: decode.c:21:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
decode.c: {
decode.c: ^
decode.c: decode.c: In function ‘signedshiftrightconst’:
decode.c: decode.c:35:23: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
decode.c: static inline __m256i signedshiftrightconst(__m256i x,int16 y)
decode.c: ^~~~~~~~~~~~~~~~~~~~~
decode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:43:0,
decode.c: from decode.c:3:
decode.c: decode.c: In function ‘add’:
decode.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avx2intrin.h:112:1: error: inlining failed in call to always_inline ‘_mm256_add_epi16’: target specific option mismatch
decode.c: _mm256_add_epi16 (__m256i __A, __m256i __B)
decode.c: ^~~~~~~~~~~~~~~~
decode.c: decode.c:22:10: note: called from here
decode.c: return _mm256_add_epi16(x,y);
decode.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