Implementation notes: amd64, scw1b63b1, crypto_decode/653x1541

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_decode
Primitive: 653x1541

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
12114	2150 0 0	11043 776 728	`int16`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
12318	2302 0 0	12121 784 728	`int16`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
12318	2302 0 0	12945 784 728	`int16`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
12318	2302 0 0	12121 784 728	`int16`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
12706	3908 0 0	15932 808 800	`int16`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
12736	2111 0 0	11947 800 800	`int16`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
12936	2301 0 0	13017 784 728	`int16`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
12970	2099 0 0	10871 784 768	`int16`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
14074	2125 0 0	11811 800 800	`int16`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
18018	3619 0 0	15644 808 800	`portable`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
18028	2645 0 0	12491 800 800	`portable`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
20038	2891 0 0	12713 784 728	`portable`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
20038	2891 0 0	13537 784 728	`portable`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
20038	2891 0 0	12713 784 728	`portable`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
20050	2707 0 0	11619 776 728	`portable`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
20628	2890 0 0	13609 784 728	`portable`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
40946	1530 0 0	13556 808 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
42320	2032 0 0	11873 784 728	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
42326	2032 0 0	12697 784 728	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
42344	2032 0 0	11873 784 728	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
43396	1262 0 0	11115 800 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
43652	1590 0 0	10407 784 768	`portable`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
43836	1743 0 0	11451 800 800	`portable`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
44574	1166 0 0	10059 776 728	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
44852	2078 0 0	12817 784 728	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
50662	1058 0 0	9807 784 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
51298	1259 0 0	10939 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:213:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'xsave'
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R5[i]);
decode.c: ^
decode.c: decode.c:214:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_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:226:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'xsave'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: decode.c:227:10: error: always_inline function '_mm256_unpackhi_epi16' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'xsave'
decode.c: ...
decode.c: _mm256_storeu_si256((__m256i *) (&R3[2*i]),C0);
decode.c: ^
decode.c: decode.c:288:5: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'xsave'
decode.c: _mm256_storeu_si256((__m256i *) (16+&R3[2*i]),C1);
decode.c: ^
decode.c: decode.c:313:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'xsave'
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R3[i]);
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:213:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_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:214:10: error: always_inline function '_mm256_cvtepu8_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_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:226:10: error: always_inline function '_mm256_unpacklo_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'sse4.2'
decode.c: B0 = _mm256_unpacklo_epi16(A0,A1);
decode.c: ^
decode.c: decode.c:227:10: error: always_inline function '_mm256_unpackhi_epi16' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'sse4.2'
decode.c: ...
decode.c: _mm256_storeu_si256((__m256i *) (&R3[2*i]),C0);
decode.c: ^
decode.c: decode.c:288:5: error: always_inline function '_mm256_storeu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'sse4.2'
decode.c: _mm256_storeu_si256((__m256i *) (16+&R3[2*i]),C1);
decode.c: ^
decode.c: decode.c:313:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'crypto_decode_653x1541_avx' that is compiled without support for 'sse4.2'
decode.c: A2 = A0 = _mm256_loadu_si256((__m256i *) &R3[i]);
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