Implementation notes: amd64, trident, crypto_kem/lotus128

Computer: trident
Microarchitecture: amd64; Core 2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: lotus128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1456610	39508 0 8	59152 860 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
2012655	30556 0 8	50136 860 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
2398014	41826 0 8	61187 876 1720	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
2510975	47611 0 8	68075 876 1720	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
2628935	24504 0 8	43787 876 1720	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
2665771	47765 0 8	67883 876 1720	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
2738190	28568 0 8	48923 876 1720	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
2746192	28753 0 8	48859 876 1720	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
4277529	11318 0 8	28729 868 1720	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
5771386	11277 0 8	29289 868 1720	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
6197175	8774 0 8	26657 868 1720	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
6206951	8178 0 8	25505 868 1720	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240102	20231212
10798896	12134 0 8	30936 860 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
11393766	9102 0 8	27824 860 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
11881369	7341 0 8	24448 852 1752	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
12650590	10224 0 8	28528 860 1784	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
12776478	8112 0 8	26312 860 1784	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212
13983180	9436 0 8	26592 852 1752	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240102	20231212

Compiler output

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

lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:158:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:158:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[1] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:164:11: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: a = _mm256_set1_epi16(A[j]);
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:164:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:165:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.c: b[0] = _mm256_loadu_si256((__m256i*)(p));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:165:14: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:166:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'submat_negmul' that is compiled without support for 'avx'
lwe-arithmetics_avx2.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

lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c: In function 'submat_negmul':
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:158:10: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
lwe-arithmetics_avx2.c: 158 | c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.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
lwe-arithmetics_avx2.c: 1235 | _mm256_setzero_si256 (void)
lwe-arithmetics_avx2.c: | ^~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: note: called from here
lwe-arithmetics_avx2.c: 161 | c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: | ^~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.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
lwe-arithmetics_avx2.c: 1235 | _mm256_setzero_si256 (void)
lwe-arithmetics_avx2.c: | ^~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: note: called from here
lwe-arithmetics_avx2.c: 160 | c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: | ^~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.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
lwe-arithmetics_avx2.c: 1235 | _mm256_setzero_si256 (void)
lwe-arithmetics_avx2.c: | ^~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.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