Implementation notes: amd64, hydra8, crypto_kem/ntrulpr4591761

Computer: hydra8
Microarchitecture: amd64; Ivy Bridge+AES (306a9)
Architecture: amd64
CPU ID: GenuineIntel-000306a9-bfebfbff
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: ntrulpr4591761

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
54777666	16836 0 0	41691 836 1760	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
54786354	13686 0 0	38351 876 1728	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
54819332	4673 0 0	28619 836 1760	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
54826765	5564 0 0	28465 868 1728	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
54879880	4612 0 0	28163 836 1760	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
54883629	11181 0 0	36711 876 1728	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
54914177	3878 0 0	27263 876 1728	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212
54941768	4131 0 0	26555 828 1728	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231216	20231212
55046962	27069 0 0	53703 876 1728	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231216	20231212

Compiler output

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

mult.c: mult.c:732:38: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'rq_mult' that is compiled without support for 'avx2'
mult.c: __m256i x = _mm256_add_epi16(fgi,_mm256_add_epi16(fgip,fgip1));
mult.c: ^
mult.c: mult.c:732:17: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'rq_mult' that is compiled without support for 'avx2'
mult.c: __m256i x = _mm256_add_epi16(fgi,_mm256_add_epi16(fgip,fgip1));
mult.c: ^
mult.c: 2 errors generated.

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

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

Compiler output

Implementation: T:avx
Security model: timingleaks
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

mult.c: mult.c:147:22: error: invalid output size for constraint '=&x'
mult.c: MULSTEP_fromzero(0,h0,h1,h2,h3,h4)
mult.c: ^
mult.c: mult.c:149:26: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 1,h1,h2,h3,h4,h0)
mult.c: ^
mult.c: mult.c:150:26: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 2,h2,h3,h4,h0,h1)
mult.c: ^
mult.c: mult.c:151:26: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 3,h3,h4,h0,h1,h2)
mult.c: ^
mult.c: mult.c:152:26: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 4,h4,h0,h1,h2,h3)
mult.c: ^
mult.c: mult.c:153:26: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 5,h0,h1,h2,h3,h4)
mult.c: ^
mult.c: mult.c:155:24: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 1,h1,h2,h3,h4,h0)
mult.c: ^
mult.c: mult.c:156:24: error: invalid output size for constraint '+x'
mult.c: MULSTEP_noload(j + 2,h2,h3,h4,h0,h1)
mult.c: ^
mult.c: mult.c:157:24: error: invalid output size for constraint '+x'
mult.c: ...

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

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

Compiler output

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

mult.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:99,
mult.c: from mult.c:2:
mult.c: mult.c: In function 'fastadd':
mult.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/fmaintrin.h:63:1: error: inlining failed in call to 'always_inline' '_mm256_fmadd_ps': target specific option mismatch
mult.c: 63 | _mm256_fmadd_ps (__m256 __A, __m256 __B, __m256 __C)
mult.c: | ^~~~~~~~~~~~~~~
mult.c: mult.c:88:10: note: called from here
mult.c: 88 | return _mm256_fmadd_ps(y,v1_float,x);
mult.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mult.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:99,
mult.c: from mult.c:2:
mult.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/fmaintrin.h:63:1: error: inlining failed in call to 'always_inline' '_mm256_fmadd_ps': target specific option mismatch
mult.c: 63 | _mm256_fmadd_ps (__m256 __A, __m256 __B, __m256 __C)
mult.c: | ^~~~~~~~~~~~~~~
mult.c: mult.c:88:10: note: called from here
mult.c: 88 | return _mm256_fmadd_ps(y,v1_float,x);
mult.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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

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