Implementation notes: amd64, scw1b63b1, crypto_sign/dilithium2

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_sign
Primitive: dilithium2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3119022	23451 0 0	42385 792 1600	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191217	20191017
3124770	23419 0 0	41529 792 1600	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191217	20191017
3126536	23419 0 0	41529 792 1600	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191217	20191017
3229450	24012 0 0	42889 792 1600	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191217	20191017
3292842	55844 0 0	76468 816 1632	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191217	20191017
3341472	16583 0 0	33699 784 1600	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191217	20191017
3479566	19377 0 0	38044 816 1632	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191217	20191017
3619244	18440 0 0	36820 816 1632	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191217	20191017
4104680	17402 0 0	34588 808 1600	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191217	20191017

Compiler output

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

fips202x4.c: fips202x4.c:52:12: error: always_inline function '_mm256_xor_si256' requires target feature 'xsave', but would be inlined into function 'keccak_absorb4x' that is compiled without support for 'xsave'
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ^
fips202x4.c: 1 error generated.

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

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

fips202x4.c: fips202x4.c:52:12: error: always_inline function '_mm256_xor_si256' requires target feature 'sse4.2', but would be inlined into function 'keccak_absorb4x' that is compiled without support for 'sse4.2'
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ^
fips202x4.c: 1 error generated.

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

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

Compiler output

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

fips202x4.c: fips202x4.c: In function ‘keccak_absorb4x’:
fips202x4.c: fips202x4.c:52:10: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
fips202x4.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:43:0,
fips202x4.c: from fips202x4.c:2:
fips202x4.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline ‘_mm256_xor_si256’: target specific option mismatch
fips202x4.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
fips202x4.c: ^~~~~~~~~~~~~~~~
fips202x4.c: fips202x4.c:52:12: note: called from here
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
fips202x4.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:43:0,
fips202x4.c: from fips202x4.c:2:
fips202x4.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avx2intrin.h:913:1: error: inlining failed in call to always_inline ‘_mm256_xor_si256’: target specific option mismatch
fips202x4.c: _mm256_xor_si256 (__m256i __A, __m256i __B)
fips202x4.c: ^~~~~~~~~~~~~~~~
fips202x4.c: fips202x4.c:52:12: note: called from here
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

Compiler output

Implementation: avx2
Security model: unknown
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE

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

Compiler	Implementations
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: ref
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

fips202.o shake128 T
fips202.o shake128_absorb T
fips202.o shake128_squeezeblocks T
fips202.o shake128_stream_init T
fips202.o shake256 T
fips202.o shake256_absorb T
fips202.o shake256_squeezeblocks T
fips202.o shake256_stream_init T
ntt.o invntt_frominvmont T
ntt.o ntt T
packing.o pack_pk T
packing.o pack_sig T
packing.o pack_sk T
packing.o unpack_pk T
packing.o unpack_sig T
packing.o unpack_sk T
poly.o poly_add T
poly.o poly_chknorm T
poly.o poly_csubq T
poly.o poly_decompose T
poly.o poly_freeze T
poly.o poly_invntt_montgomery T
poly.o poly_make_hint T
poly.o poly_ntt T
poly.o poly_pointwise_invmontgomery T
poly.o poly_power2round T
poly.o poly_reduce T
poly.o poly_shiftl T
poly.o poly_sub T
poly.o poly_uniform T
poly.o poly_uniform_eta T
poly.o poly_uniform_gamma1m1 T
poly.o poly_use_hint T
poly.o polyeta_pack T
poly.o polyeta_unpack T
poly.o polyt0_pack T
poly.o polyt0_unpack T
poly.o polyt1_pack T
poly.o polyt1_unpack T
poly.o polyw1_pack T
poly.o polyz_pack T
poly.o polyz_unpack T
polyvec.o polyveck_add T
polyvec.o polyveck_chknorm T
polyvec.o polyveck_csubq T
polyvec.o polyveck_decompose T
polyvec.o polyveck_freeze T
polyvec.o polyveck_invntt_montgomery T
polyvec.o polyveck_make_hint T
polyvec.o polyveck_ntt T
polyvec.o polyveck_power2round T
polyvec.o polyveck_reduce T
polyvec.o polyveck_shiftl T
polyvec.o polyveck_sub T
polyvec.o polyveck_use_hint T
polyvec.o polyvecl_add T
polyvec.o polyvecl_chknorm T
polyvec.o polyvecl_freeze T
polyvec.o polyvecl_ntt T
polyvec.o polyvecl_pointwise_acc_invmontgomery T
reduce.o csubq T
reduce.o freeze T
reduce.o montgomery_reduce T
reduce.o reduce32 T
rounding.o decompose T
rounding.o make_hint T
rounding.o power2round T
rounding.o use_hint T
sign.o challenge T
sign.o expand_mat 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