Implementation notes: amd64, wooden, crypto_kem/mceliece6960119f

Computer: wooden
Microarchitecture: amd64; Goldmont (506c9)
Architecture: amd64
CPU ID: GenuineIntel-000506c9-1fc9cbf5
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: mceliece6960119f

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2481012	111330 0 0	205377 792 1568	`vec`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
2609900	114471 0 0	209753 792 1568	`vec`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
2894168	76033 0 0	168985 792 1568	`vec`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
3044008	109944 0 0	203501 760 1600	`vec`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
4795818	64703 0 0	157485 760 1600	`vec`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
4883596	58361 0 0	150799 784 1568	`vec`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
4888870	56050 0 0	147319 784 1568	`vec`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
5698960	53408 0 0	144381 752 1568	`vec`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
5749506	62779 0 0	155157 760 1600	`vec`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
459333098	39898 0 0	133977 792 1568	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
460940044	47122 0 0	140983 768 1600	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
467862004	28830 0 0	121905 792 1568	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
467866636	35500 0 0	130889 792 1568	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
624129570	16169 0 0	108271 784 1568	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
639165888	18909 0 0	111863 768 1600	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
675638874	16670 0 0	109005 760 1600	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425
704700648	14612 0 0	105871 784 1568	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240526	20240425
758141288	13164 0 0	104135 760 1568	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240526	20240425

Test failure

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

error 111

Number of similar (compiler,implementation) pairs: 8, namely:

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

Compiler output

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

bm.c: bm.c:90:37: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: for (i = 13; i < 16; i++) buf[i] = vec256_setzero();
bm.c: ^
bm.c: bm.c:92:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[0][0] = vec256_set1_16b(0x5555);
bm.c: ^
bm.c: bm.c:93:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[0][1] = vec256_set1_16b(0xAAAA);
bm.c: ^
bm.c: bm.c:94:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[1][0] = vec256_set1_16b(0x3333);
bm.c: ^
bm.c: bm.c:95:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[1][1] = vec256_set1_16b(0xCCCC);
bm.c: ^
bm.c: bm.c:96:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[2][0] = vec256_set1_16b(0x0F0F);
bm.c: ^
bm.c: bm.c:97:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[2][1] = vec256_set1_16b(0xF0F0);
bm.c: ^
bm.c: bm.c:98:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: mask[3][0] = vec256_set1_16b(0x00FF);
bm.c: ^
bm.c: bm.c:99:15: warning: AVX vector return of type 'vec256' (aka '__m256i') without 'avx' enabled changes the ABI [-Wpsabi]
bm.c: ...

Number of similar (compiler,implementation) pairs: 10, namely:

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

Compiler output

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

benes.c: In file included from transpose.h:12,
benes.c: from benes.c:11:
benes.c: vec256.h: In function 'vec256_set1_16b':
benes.c: vec256.h:21:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
benes.c: 21 | {
benes.c: | ^
bm.c: In file included from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h: In function 'vec256_set1_16b':
bm.c: vec256.h:21:1: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
bm.c: 21 | {
bm.c: | ^
bm.c: vec256.h: In function 'vec256_and':
bm.c: vec256.h:48:22: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
bm.c: 48 | static inline vec256 vec256_and(vec256 a, vec256 b)
bm.c: | ^~~~~~~~~~
bm.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/10/include/immintrin.h:51,
bm.c: from vec256.h:16,
bm.c: from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h: In function 'vec256_set1_16b':
bm.c: /usr/lib/gcc/x86_64-linux-gnu/10/include/avxintrin.h:1326:1: error: inlining failed in call to 'always_inline' '_mm256_set1_epi16': target specific option mismatch
bm.c: 1326 | _mm256_set1_epi16 (short __A)
bm.c: | ^~~~~~~~~~~~~~~~~
bm.c: In file included from bm.h:11,
bm.c: from bm.c:13:
bm.c: vec256.h:22:9: note: called from here
bm.c: 22 | return _mm256_set1_epi16(a);
bm.c: | ^~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 8, namely:

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

Compiler output

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

decrypt.c: In file included from decrypt.c:8:
decrypt.c: In file included from ./fft_tr.h:10:
decrypt.c: ./vec128.h:40:9: error: always_inline function '_mm_testz_si128' requires target feature 'sse4.1', but would be inlined into function 'vec128_testz' that is compiled without support for 'sse4.1'
decrypt.c: return _mm_testz_si128(a, a);
decrypt.c: ^
decrypt.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	sse