Implementation notes: amd64, firefly, crypto_sign/dilithium2

Computer: firefly
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20201130
Operation: crypto_sign
Primitive: dilithium2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1130473	167036 0 0	189694 824 1624	`T:avx2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
1190411	125387 0 0	145854 824 1624	`T:avx2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
1190503	124416 0 0	143802 816 1592	`T:avx2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
1348329	126456 0 0	147262 824 1624	`T:avx2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
3016335	26991 0 0	48391 800 1592	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
3286125	20492 0 0	41094 824 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
3292519	26911 0 0	47359 800 1592	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
3369270	26911 0 0	47359 800 1592	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
3428219	51267 0 0	73646 824 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
3553799	18265 0 0	37213 792 1592	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130
4031141	18735 0 0	37890 816 1592	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
4650324	19698 0 0	39974 824 1624	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20201213	20201130
4845180	26150 0 0	46967 800 1592	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20201213	20201130

Checksum failure

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

afb2e60e5fc44eb2008162440ca734883ead628a2265b905de3a017cf59239b0

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

fips202x4.c: fips202x4.c:32:12: error: always_inline function '_mm256_xor_si256' requires target feature 'sse4.2', but would be inlined into function 'keccakx4_absorb' that is compiled without support for 'sse4.2'
fips202x4.c: s[i] = _mm256_xor_si256(s[i], s[i]);
fips202x4.c: ^
fips202x4.c: fips202x4.c:34:9: error: always_inline function '_mm256_set_epi64x' requires target feature 'sse4.2', but would be inlined into function 'keccakx4_absorb' that is compiled without support for 'sse4.2'
fips202x4.c: idx = _mm256_set_epi64x((long long)in3, (long long)in2, (long long)in1, (long long)in0);
fips202x4.c: ^
fips202x4.c: fips202x4.c:37:11: error: '__builtin_ia32_gatherq_q256' needs target feature avx2
fips202x4.c: t = _mm256_i64gather_epi64((long long *)pos, idx, 1);
fips202x4.c: ^
fips202x4.c: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.1/include/avx2intrin.h:1208:12: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__m256i)__builtin_ia32_gatherq_q256((__v4di)_mm256_undefined_si256(), \
fips202x4.c: ^
fips202x4.c: fips202x4.c:37:11: error: always_inline function '_mm256_undefined_si256' requires target feature 'sse4.2', but would be inlined into function 'keccakx4_absorb' that is compiled without support for 'sse4.2'
fips202x4.c: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.1/include/avx2intrin.h:1208:48: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__m256i)__builtin_ia32_gatherq_q256((__v4di)_mm256_undefined_si256(), \
fips202x4.c: ^
fips202x4.c: fips202x4.c:37:11: error: always_inline function '_mm256_set1_epi64x' requires target feature 'sse4.2', but would be inlined into function 'keccakx4_absorb' that is compiled without support for 'sse4.2'
fips202x4.c: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.1/include/avx2intrin.h:1211:48: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__v4di)_mm256_set1_epi64x(-1), (s)); })
fips202x4.c: ^
fips202x4.c: fips202x4.c:38:14: error: always_inline function '_mm256_xor_si256' requires target feature 'sse4.2', but would be inlined into function 'keccakx4_absorb' that is compiled without support for 'sse4.2'
fips202x4.c: s[i] = _mm256_xor_si256(s[i], t);
fips202x4.c: ^
fips202x4.c: fips202x4.c:48:9: error: '__builtin_ia32_gatherq_q256' needs target feature avx2
fips202x4.c: t = _mm256_i64gather_epi64((long long *)pos, idx, 1);
fips202x4.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