Implementation notes: amd64, gcc123, crypto_core/inv3sntrup1277

Computer: gcc123
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20220213
Operation: crypto_core
Primitive: inv3sntrup1277

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
14110712	5385 0 0	18937 836 944	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
40392411	2927 0 0	17642 812 944	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
40449960	2927 0 0	17642 812 944	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
40481861	3323 0 0	19738 812 944	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
52675795	6377 0 0	20746 812 912	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210530	20210529
83906278	684 0 0	11856 804 912	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210529	20210529
128681352	860 0 0	12814 820 944	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
131851915	832 0 0	12654 820 944	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529
148539176	710 0 0	11386 804 944	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210529	20210529

Compiler output

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

r3_recip.c: r3_recip.c:488:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:488:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:39:17: error: always_inline function '_mm256_unpacklo_epi32' requires target feature 'avx2', but would be inlined into function 'vec256_frombits' that is compiled without support for 'avx2'
r3_recip.c: vec256 c0 = _mm256_unpacklo_epi32(b0,b1); /* 0 1 2 3 32 33 34 35 4 5 6 7 36 37 38 39 ... 55 */
r3_recip.c: ^
r3_recip.c: r3_recip.c:40:17: error: always_inline function '_mm256_unpackhi_epi32' requires target feature 'avx2', but would be inlined into function 'vec256_frombits' that is compiled without support for 'avx2'
r3_recip.c: vec256 c1 = _mm256_unpackhi_epi32(b0,b1); /* 8 9 10 11 40 41 42 43 ... 63 */
r3_recip.c: ^
r3_recip.c: r3_recip.c:41:17: error: always_inline function '_mm256_unpacklo_epi32' requires target feature 'avx2', but would be inlined into function 'vec256_frombits' that is compiled without support for 'avx2'
r3_recip.c: vec256 c2 = _mm256_unpacklo_epi32(b2,b3);
r3_recip.c: ^
r3_recip.c: r3_recip.c:42:17: error: always_inline function '_mm256_unpackhi_epi32' requires target feature 'avx2', but would be inlined into function 'vec256_frombits' that is compiled without support for 'avx2'
r3_recip.c: vec256 c3 = _mm256_unpackhi_epi32(b2,b3);
r3_recip.c: ^
r3_recip.c: r3_recip.c:43:17: error: always_inline function '_mm256_unpacklo_epi32' requires target feature 'avx2', but would be inlined into function 'vec256_frombits' that is compiled without support for 'avx2'
r3_recip.c: ...

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

r3_recip.c: r3_recip.c:488:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:488:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F0[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:36: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:493:49: warning: implicit conversion from 'long' to 'int' changes value from 2147483648 to -2147483648 [-Wconstant-conversion]
r3_recip.c: F1[4] = _mm256_set_epi32(0,0,0,0,2147483648,0,2147483648,0);
r3_recip.c: ~~~~~~~~~~~~~~~~ ^~~~~~~~~~
r3_recip.c: r3_recip.c:484:11: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: F0[0] = _mm256_set_epi32(0,0,0,0,0,0,0,1);
r3_recip.c: ^
r3_recip.c: r3_recip.c:485:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: F0[1] = _mm256_set1_epi32(0);
r3_recip.c: ^
r3_recip.c: r3_recip.c:486:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: F0[2] = _mm256_set1_epi32(0);
r3_recip.c: ^
r3_recip.c: r3_recip.c:487:11: error: always_inline function '_mm256_set1_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: F0[3] = _mm256_set1_epi32(0);
r3_recip.c: ^
r3_recip.c: r3_recip.c:488:11: error: always_inline function '_mm256_set_epi32' requires target feature 'avx', but would be inlined into function 'crypto_core_inv3sntrup1277_avx_constbranchindex' that is compiled without support for 'avx'
r3_recip.c: ...

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

r3_recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
r3_recip.c: from r3_recip.c:3:
r3_recip.c: r3_recip.c: In function 'vec256_frombits':
r3_recip.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:597:1: error: inlining failed in call to always_inline '_mm256_shuffle_epi32': target specific option mismatch
r3_recip.c: _mm256_shuffle_epi32 (__m256i __A, const int __mask)
r3_recip.c: ^~~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c:69:9: note: called from here
r3_recip.c: h = _mm256_shuffle_epi32(h,0xd8);
r3_recip.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
r3_recip.c: from r3_recip.c:3:
r3_recip.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:1068:1: error: inlining failed in call to always_inline '_mm256_permute4x64_epi64': target specific option mismatch
r3_recip.c: _mm256_permute4x64_epi64 (__m256i __X, const int __M)
r3_recip.c: ^~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c:68:9: note: called from here
r3_recip.c: h = _mm256_permute4x64_epi64(h,0xd8);
r3_recip.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/8/include/immintrin.h:43,
r3_recip.c: from r3_recip.c:3:
r3_recip.c: /usr/lib/gcc/x86_64-linux-gnu/8/include/avx2intrin.h:588:1: error: inlining failed in call to always_inline '_mm256_shuffle_epi8': target specific option mismatch
r3_recip.c: _mm256_shuffle_epi8 (__m256i __X, __m256i __Y)
r3_recip.c: ^~~~~~~~~~~~~~~~~~~
r3_recip.c: r3_recip.c:67:9: note: called from here
r3_recip.c: h = _mm256_shuffle_epi8(h,TRANSPOSE);
r3_recip.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
r3_recip.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