Implementation notes: amd64, margaux, crypto_encrypt/lotus128

Computer: margaux
Microarchitecture: amd64; C2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_encrypt
Primitive: lotus128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2618174	41158 0 8	61042 924 1736	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
2665880	41158 0 8	61042 924 1736	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
2744531	48895 0 8	70154 924 1736	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
2790373	49192 0 8	70202 924 1736	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
4345843	11848 0 8	29872 916 1736	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
6079770	8521 0 8	26488 916 1736	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210511	20210423
11852901	8348 0 8	26928 932 1768	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210511	20210423

Test failure

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

error 111
crypto_encrypt_open does not handle c=t overlap

Number of similar (compiler,implementation) pairs: 9, namely:

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

Test failure

Implementation: T:opt
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:opt T:ref

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 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: c[1] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:164:11: error: always_inline function '_mm256_set1_epi16' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: a = _mm256_set1_epi16(A[j]);
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:165:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: b[0] = _mm256_loadu_si256((__m256i*)(p));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:166:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: b[1] = _mm256_loadu_si256((__m256i*)(p + 16));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:167:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: b[2] = _mm256_loadu_si256((__m256i*)(p + 32));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:168:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'submat_negmul' that is compiled without support for 'xsave'
lwe-arithmetics_avx2.c: ...

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

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -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 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:159:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: c[1] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:160:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:161:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:164:11: error: always_inline function '_mm256_set1_epi16' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: a = _mm256_set1_epi16(A[j]);
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:165:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: b[0] = _mm256_loadu_si256((__m256i*)(p));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:166:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: b[1] = _mm256_loadu_si256((__m256i*)(p + 16));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:167:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: b[2] = _mm256_loadu_si256((__m256i*)(p + 32));
lwe-arithmetics_avx2.c: ^
lwe-arithmetics_avx2.c: lwe-arithmetics_avx2.c:168:14: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'submat_negmul' that is compiled without support for 'sse4.2'
lwe-arithmetics_avx2.c: ...

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

Compiler	Implementations
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: c[0] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1235:1: error: inlining failed in call to always_inline '_mm256_setzero_si256': target specific option mismatch
lwe-arithmetics_avx2.c: _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: c[3] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1235:1: error: inlining failed in call to always_inline '_mm256_setzero_si256': target specific option mismatch
lwe-arithmetics_avx2.c: _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: c[2] = _mm256_setzero_si256();
lwe-arithmetics_avx2.c: ^~~~~~~~~~~~~~~~~~~~~~
lwe-arithmetics_avx2.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:41:0,
lwe-arithmetics_avx2.c: from lwe-arithmetics_avx2.c:10:
lwe-arithmetics_avx2.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avxintrin.h:1235:1: error: inlining failed in call to always_inline '_mm256_setzero_si256': target specific option mismatch
lwe-arithmetics_avx2.c: _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

Namespace violations

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

cpa-pke_opt.o lotus_cpa_pke_dec_packed T
cpa-pke_opt.o lotus_cpa_pke_enc_packed T
cpa-pke_opt.o lotus_cpa_pke_keypair T
crypto.o crypto_symenc_decrypt T
crypto.o crypto_symenc_encrypt T
crypto.o crypto_symenc_keysetup T
crypto.o crypto_symenc_keystream T
crypto.o crypto_symenc_keystream_13block T
crypto.o crypto_symenc_keystream_32block T
encrypt.o util_cmp_const T
lwe-arithmetics_opt.o add_sigma T
lwe-arithmetics_opt.o distribute_2x2_nl T
lwe-arithmetics_opt.o distribute_2x2_nn T
lwe-arithmetics_opt.o merge_2x2_nl T
lwe-arithmetics_opt.o reconstruct T
lwe-arithmetics_opt.o redc T
lwe-arithmetics_opt.o submat_add_nl T
lwe-arithmetics_opt.o submat_add_nn T
lwe-arithmetics_opt.o submat_negmul T
lwe-arithmetics_opt.o submat_negsubmul T
lwe-arithmetics_opt.o submat_sub_nl T
lwe-arithmetics_opt.o submat_sub_nn T
lwe-arithmetics_opt.o submat_submul T
lwe-arithmetics_opt.o submul T
pack.o pack_128dg T
pack.o pack_128elems T
pack.o pack_64elems T
pack.o pack_ct T
pack.o pack_pk T
pack.o pack_sk T
pack.o unpack_128dg T
pack.o unpack_128elems T
pack.o unpack_64elems T
pack.o unpack_ct T
pack.o unpack_pk T
pack.o unpack_sk T
sampler.o _LOTUS_KYDG_SAMPLER_L1_pMat R
sampler.o _LOTUS_KYDG_SAMPLER_L1_weight R
sampler.o _LOTUS_KYDG_SAMPLER_LUT R
sampler.o csprng_sample_bit T
sampler.o csprng_sample_byte T
sampler.o extend_sign_with_random_bit T
sampler.o sample_discrete_gaussian T
sampler.o sample_uniform T
sampler.o sample_unit_discrete_gaussian T
sampler.o sampler_init T
sampler.o sampler_set_seed T
sampler.o scan_bit_and_output T

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

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

Namespace violations

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

cpa-pke.o lotus_cpa_pke_dec T
cpa-pke.o lotus_cpa_pke_enc T
cpa-pke.o lotus_cpa_pke_keypair T
crypto.o crypto_symenc_decrypt T
crypto.o crypto_symenc_encrypt T
crypto.o crypto_symenc_keysetup T
crypto.o crypto_symenc_keystream T
encrypt.o util_cmp_const T
lwe-arithmetics.o add_sigma T
lwe-arithmetics.o addmul T
lwe-arithmetics.o addmul_concat T
lwe-arithmetics.o reconstruct T
lwe-arithmetics.o redc T
lwe-arithmetics.o submul T
pack.o pack_128dg T
pack.o pack_128elems T
pack.o pack_64elems T
pack.o pack_ct T
pack.o pack_pk T
pack.o pack_sk T
pack.o unpack_128dg T
pack.o unpack_128elems T
pack.o unpack_64elems T
pack.o unpack_ct T
pack.o unpack_pk T
pack.o unpack_sk T
sampler.o _LOTUS_KYDG_SAMPLER_L1_pMat R
sampler.o _LOTUS_KYDG_SAMPLER_L1_weight R
sampler.o _LOTUS_KYDG_SAMPLER_LUT R
sampler.o csprng_sample_bit T
sampler.o csprng_sample_byte T
sampler.o extend_sign_with_random_bit T
sampler.o sample_discrete_gaussian T
sampler.o sample_uniform T
sampler.o sample_unit_discrete_gaussian T
sampler.o sampler_init T
sampler.o sampler_set_seed T
sampler.o scan_bit_and_output T

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref