Implementation notes: amd64, cherry, crypto_kem/lac192

Computer: cherry
Microarchitecture: amd64; Silvermont (406c4)
Architecture: amd64
CPU ID: GenuineIntel-000406c4-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_kem
Primitive: lac192

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
4124400	17150 18600 300	31899 19492 1976	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
4174934	22619 18600 300	38165 19500 1976	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
4206539	19292 18600 300	34635 19492 1976	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
4207578	27028 18600 300	43605 19500 1976	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
4513011	26073 18624 324	43506 19508 2040	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
4670383	19122 18624 324	35178 19508 2040	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
5221632	14878 18624 324	29530 19500 2008	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
7589851	29014 18600 300	45149 19500 1976	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
8280165	27878 0 60	45106 876 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
11383571	25815 0 60	42373 892 1720	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
11679588	21685 0 60	37189 892 1720	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
13599393	16205 0 60	30899 884 1720	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
15640647	27729 0 60	43829 892 1720	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
18969429	18432 0 60	35114 876 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
19500787	18047 0 60	33946 876 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122
21061631	18135 0 60	33491 884 1720	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20230530	20221122
22097836	13909 0 60	28378 868 1752	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20230530	20221122

Checksum failure

Implementation: T:opt
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

ec0bf71001731dea9af39da465c1a4f2d5fb272bb2bff1017a23306198cbd7ea

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

bin-lwe.c: bin-lwe.c:91:10: error: always_inline function '_mm256_set_epi16' requires target feature 'avx', but would be inlined into function 'poly_mul' that is compiled without support for 'avx'
bin-lwe.c: tmp_one=_mm256_set_epi16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:91:10: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:103:9: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'poly_mul' that is compiled without support for 'avx'
bin-lwe.c: tmp2 =_mm256_setzero_si256();
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:103:9: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:106:11: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'poly_mul' that is compiled without support for 'avx'
bin-lwe.c: tmp0 = _mm256_loadu_si256((__m256i *)(v_p+j));
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:106:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:107:11: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'poly_mul' that is compiled without support for 'avx'
bin-lwe.c: tmp1 = _mm256_loadu_si256((__m256i *)(s+j));
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:107:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:108:11: error: always_inline function '_mm256_maddubs_epi16' requires target feature 'avx2', but would be inlined into function 'poly_mul' that is compiled without support for 'avx2'
bin-lwe.c: tmp0 = _mm256_maddubs_epi16(tmp0, tmp1);
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:108:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:109:11: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'poly_mul' that is compiled without support for 'avx2'
bin-lwe.c: tmp2 = _mm256_add_epi16(tmp2, tmp0);
bin-lwe.c: ^
bin-lwe.c: bin-lwe.c:109:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
bin-lwe.c: bin-lwe.c:111:11: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'poly_mul' that is compiled without support for 'avx'
bin-lwe.c: ...

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:avx2

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

bin-lwe.c: bin-lwe.c: In function 'poly_mul':
bin-lwe.c: bin-lwe.c:91:9: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
bin-lwe.c: 91 | tmp_one=_mm256_set_epi16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
bin-lwe.c: | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bin-lwe.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
bin-lwe.c: from bin-lwe.c:1:
bin-lwe.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1266:1: error: inlining failed in call to 'always_inline' '_mm256_set_epi16': target specific option mismatch
bin-lwe.c: 1266 | _mm256_set_epi16 (short __q15, short __q14, short __q13, short __q12,
bin-lwe.c: | ^~~~~~~~~~~~~~~~
bin-lwe.c: bin-lwe.c:91:10: note: called from here
bin-lwe.c: 91 | tmp_one=_mm256_set_epi16(1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1);
bin-lwe.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bin-lwe.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
bin-lwe.c: from bin-lwe.c:1:
bin-lwe.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1235:1: error: inlining failed in call to 'always_inline' '_mm256_setzero_si256': target specific option mismatch
bin-lwe.c: 1235 | _mm256_setzero_si256 (void)
bin-lwe.c: | ^~~~~~~~~~~~~~~~~~~~
bin-lwe.c: bin-lwe.c:103:9: note: called from here
bin-lwe.c: 103 | tmp2 =_mm256_setzero_si256();
bin-lwe.c: | ^~~~~~~~~~~~~~~~~~~~~~
bin-lwe.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:53,
bin-lwe.c: from bin-lwe.c:1:
bin-lwe.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avx2intrin.h:112:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi16': target specific option mismatch
bin-lwe.c: 112 | _mm256_add_epi16 (__m256i __A, __m256i __B)
bin-lwe.c: | ^~~~~~~~~~~~~~~~
bin-lwe.c: ...

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2