Implementation notes: amd64, whosthere, crypto_sign/dilithium3

Computer: whosthere
Microarchitecture: amd64; KabyLake (806e9)
Architecture: amd64
CPU ID: GenuineIntel-000806e9-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_sign
Primitive: dilithium3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
370608	86367 64 0	109200 892 1752	`avx2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
374447	76674 64 0	99344 892 1752	`avx2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
377109	86462 64 0	108912 860 1784	`avx2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
378615	60472 64 0	79590 884 1720	`avx2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
379980	66486 64 0	87080 860 1784	`avx2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
389905	60029 64 0	80224 860 1784	`avx2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
393005	60132 64 0	80086 884 1720	`avx2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
393250	58557 64 0	77640 852 1752	`avx2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
2352059	36032 0 0	58400 788 1784	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
2361389	38925 0 0	60672 820 1752	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
2485869	19963 0 0	40472 788 1784	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
2505734	30004 0 0	52560 820 1752	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
2511116	35816 0 0	57928 820 1720	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
2645460	18226 0 0	37422 812 1720	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
2649108	19387 0 0	39126 812 1720	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221011	20221005
2750344	17082 0 0	36040 780 1752	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005
2757655	18162 0 0	38232 788 1784	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221011	20221005

Compiler output

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

fips202x4.c: fips202x4.c:22:12: error: always_inline function '_mm256_setzero_si256' requires target feature 'avx', but would be inlined into function 'keccakx4_absorb_once' that is compiled without support for 'avx'
fips202x4.c: s[i] = _mm256_setzero_si256();
fips202x4.c: ^
fips202x4.c: fips202x4.c:22:12: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
fips202x4.c: fips202x4.c:24:9: error: always_inline function '_mm256_set_epi64x' requires target feature 'avx', but would be inlined into function 'keccakx4_absorb_once' that is compiled without support for 'avx'
fips202x4.c: idx = _mm256_set_epi64x((long long)in3, (long long)in2, (long long)in1, (long long)in0);
fips202x4.c: ^
fips202x4.c: fips202x4.c:24:9: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
fips202x4.c: fips202x4.c:27:11: 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-11/lib/clang/11.0.1/include/avx2intrin.h:1140:12: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__m256i)__builtin_ia32_gatherq_q256((__v4di)_mm256_undefined_si256(), \
fips202x4.c: ^
fips202x4.c: fips202x4.c:27:11: error: always_inline function '_mm256_undefined_si256' requires target feature 'avx', but would be inlined into function 'keccakx4_absorb_once' that is compiled without support for 'avx'
fips202x4.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avx2intrin.h:1140:48: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__m256i)__builtin_ia32_gatherq_q256((__v4di)_mm256_undefined_si256(), \
fips202x4.c: ^
fips202x4.c: fips202x4.c:27:11: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
fips202x4.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avx2intrin.h:1140:48: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__m256i)__builtin_ia32_gatherq_q256((__v4di)_mm256_undefined_si256(), \
fips202x4.c: ^
fips202x4.c: fips202x4.c:27:11: error: always_inline function '_mm256_set1_epi64x' requires target feature 'avx', but would be inlined into function 'keccakx4_absorb_once' that is compiled without support for 'avx'
fips202x4.c: /usr/lib/llvm-11/lib/clang/11.0.1/include/avx2intrin.h:1143:48: note: expanded from macro '_mm256_i64gather_epi64'
fips202x4.c: (__v4di)_mm256_set1_epi64x(-1), (s))
fips202x4.c: ...

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

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