Implementation notes: amd64, hydra8, crypto_kem/lightsaber2

Computer: hydra8
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20200618
Operation: crypto_kem
Primitive: lightsaber2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
241488	65130 0 0	84175 808 1624	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200530	20200530
242428	65130 0 0	84175 808 1624	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200530	20200530
242608	82414 0 0	102959 808 1624	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200530	20200530
245208	75331 0 0	94015 808 1624	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200530	20200530
547956	63818 0 0	82909 792 1656	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200530	20200530
761640	14663 0 0	30469 800 1624	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200530	20200530
860272	13784 0 0	30645 792 1656	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200530	20200530
917588	15163 0 0	32197 792 1656	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200530	20200530
988264	13426 0 0	29405 784 1624	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200530	20200530

Compiler output

Implementation: crypto_kem/lightsaber2/avx2
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

SABER_indcpa.c: In file included from SABER_indcpa.c:9:
SABER_indcpa.c: In file included from ././polymul/toom-cook_4way.c:6:
SABER_indcpa.c: ././polymul/scm_avx.c:43:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b1);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:45:13: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: c_avx[1] = _mm256_add_epi16(temp, c_avx[1]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:48:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b2);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:51:13: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: c_avx[2] = _mm256_add_epi16(temp, c_avx[2]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:54:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b3);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:58:13: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: c_avx[3] = _mm256_add_epi16(temp, c_avx[3]);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:60:9: error: always_inline function '_mm256_mullo_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: temp = _mm256_mullo_epi16 (a0, b4);
SABER_indcpa.c: ^
SABER_indcpa.c: ././polymul/scm_avx.c:65:13: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'schoolbook_avx_new3_acc' that is compiled without support for 'avx2'
SABER_indcpa.c: c_avx[4] = _mm256_add_epi16(temp, c_avx[4]);
SABER_indcpa.c: ...

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

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

Compiler output

Implementation: crypto_kem/lightsaber2/avx2
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

SABER_indcpa.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
SABER_indcpa.c: from SABER_indcpa.h:4,
SABER_indcpa.c: from SABER_indcpa.c:5:
SABER_indcpa.c: ./polymul/scm_avx.c: In function 'mul_add':
SABER_indcpa.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:112:1: error: inlining failed in call to always_inline '_mm256_add_epi16': target specific option mismatch
SABER_indcpa.c: _mm256_add_epi16 (__m256i __A, __m256i __B)
SABER_indcpa.c: ^~~~~~~~~~~~~~~~
SABER_indcpa.c: In file included from ./polymul/toom-cook_4way.c:6:0,
SABER_indcpa.c: from SABER_indcpa.c:9:
SABER_indcpa.c: ./polymul/scm_avx.c:7:12: note: called from here
SABER_indcpa.c: return _mm256_add_epi16(_mm256_mullo_epi16(a, b), c);
SABER_indcpa.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SABER_indcpa.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/7/include/immintrin.h:43:0,
SABER_indcpa.c: from SABER_indcpa.h:4,
SABER_indcpa.c: from SABER_indcpa.c:5:
SABER_indcpa.c: /usr/lib/gcc/x86_64-linux-gnu/7/include/avx2intrin.h:553:1: error: inlining failed in call to always_inline '_mm256_mullo_epi16': target specific option mismatch
SABER_indcpa.c: _mm256_mullo_epi16 (__m256i __A, __m256i __B)
SABER_indcpa.c: ^~~~~~~~~~~~~~~~~~
SABER_indcpa.c: In file included from ./polymul/toom-cook_4way.c:6:0,
SABER_indcpa.c: from SABER_indcpa.c:9:
SABER_indcpa.c: ./polymul/scm_avx.c:7:12: note: called from here
SABER_indcpa.c: return _mm256_add_epi16(_mm256_mullo_epi16(a, b), c);
SABER_indcpa.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

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

Namespace violations

Implementation: crypto_kem/lightsaber2/ref
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

SABER_indcpa.o GenMatrix T
SABER_indcpa.o InnerProd T
SABER_indcpa.o MatrixVectorMul T
SABER_indcpa.o POL2MSG T
SABER_indcpa.o clock1 C
SABER_indcpa.o clock2 C
SABER_indcpa.o clock_cl_mv C
SABER_indcpa.o clock_cl_sm C
SABER_indcpa.o clock_kp_mv C
SABER_indcpa.o clock_kp_sm C
SABER_indcpa.o indcpa_kem_dec T
SABER_indcpa.o indcpa_kem_enc T
SABER_indcpa.o indcpa_kem_keypair T
SABER_indcpa.o karatsuba_simple T
SABER_indcpa.o pol_mul T
SABER_indcpa.o print_poly2 T
SABER_indcpa.o reduce T
SABER_indcpa.o toom_cook_4way T
cbd.o cbd T
fips202.o KeccakF1600_StatePermute T
fips202.o cshake128_simple T
fips202.o cshake128_simple_absorb T
fips202.o cshake128_simple_squeezeblocks T
fips202.o sha3_256 T
fips202.o sha3_512 T
fips202.o shake128 T
kem.o clock1 C
kem.o clock2 C
kem.o clock_cl_mv C
kem.o clock_cl_sm C
kem.o clock_kp_mv C
kem.o clock_kp_sm C
pack_unpack.o BS2POL T
pack_unpack.o BS2POLVEC T
pack_unpack.o BS2POLVECp T
pack_unpack.o BS2POLVECq T
pack_unpack.o POLVEC2BS T
pack_unpack.o POLVECp2BS T
pack_unpack.o POLVECq2BS T
pack_unpack.o SABER_pack_3bit T
pack_unpack.o SABER_pack_4bit T
pack_unpack.o SABER_pack_6bit T
pack_unpack.o SABER_un_pack3bit T
pack_unpack.o SABER_un_pack4bit T
pack_unpack.o SABER_un_pack6bit T
poly.o GenSecret T
verify.o cmov T
verify.o verify T

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

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