Implementation notes: amd64, samba, crypto_kem/mceliece6960119pc

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: mceliece6960119pc

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
424767	160499 0 0	200139 852 1824	`avx`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
426764	137657 0 0	176995 852 1760	`avx`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
437765	161222 0 0	198501 812 1792	`avx`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
472723	86936 0 0	123285 844 1824	`avx`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
497264	90904 0 0	127107 852 1760	`avx`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
509670	95450 0 0	131181 812 1792	`avx`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
509990	90695 0 0	126029 812 1792	`avx`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
562196	86193 0 0	120237 804 1760	`avx`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
625132	136790 0 0	165405 812 1792	`sse`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
628202	142317 0 0	172059 852 1824	`sse`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
637331	122790 0 0	152315 852 1760	`sse`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
723152	86625 0 0	113733 812 1792	`sse`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
731353	77237 0 0	104477 844 1824	`sse`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
744040	82307 0 0	108691 852 1760	`sse`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
760168	80694 0 0	107429 812 1792	`sse`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
800982	76630 0 0	101949 804 1760	`sse`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
1637214	108698 0 0	139389 812 1792	`vec`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
1724998	140607 0 0	171779 852 1824	`vec`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
1791142	124985 0 0	155747 852 1760	`vec`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
1894227	107109 0 0	138907 852 1760	`vec`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
2218737	63367 0 0	92141 844 1824	`vec`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
2576724	62283 0 0	90987 852 1760	`vec`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
2715215	65694 0 0	95149 812 1792	`vec`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
2917558	64004 0 0	93149 812 1792	`vec`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
3250735	55306 0 0	83045 804 1760	`vec`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
261921734	49309 0 0	80261 860 1760	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
287009162	17160 0 0	46423 852 1824	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
290651616	72354 0 0	104685 860 1824	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
290960056	44707 0 0	76653 860 1760	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
345733267	38802 0 0	70311 820 1792	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
364048724	16114 0 0	44981 860 1760	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240428	20240425
389320284	18016 0 0	47623 820 1792	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
395493831	16768 0 0	45829 812 1792	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425
447007116	14100 0 0	41823 812 1760	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240428	20240425

Compiler output

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

pk_gen.c: pk_gen.c:223:12: warning: variable length array folded to constant array as an extension [-Wgnu-folding-constant]
pk_gen.c: uint64_t w[ PK_NROWS ][ nBlocks_I * 4 ];
pk_gen.c: ^
pk_gen.c: pk_gen.c:224:10: warning: variable length array folded to constant array as an extension [-Wgnu-folding-constant]
pk_gen.c: vec256 v[ PK_NROWS ][ nBlocks_I ];
pk_gen.c: ^
pk_gen.c: 2 warnings generated.

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

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

Compiler output

Implementation: avx
Security model: constbranchindex
Compiler: clang -mcpu=native -O3 -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: 1, namely:

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

Compiler output

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

pk_gen.c: pk_gen.c:211:12: warning: variable length array folded to constant array as an extension [-Wgnu-folding-constant]
pk_gen.c: uint64_t w[ PK_NROWS ][ nBlocks_I*2 ];
pk_gen.c: ^
pk_gen.c: pk_gen.c:212:10: warning: variable length array folded to constant array as an extension [-Wgnu-folding-constant]
pk_gen.c: vec128 v[ PK_NROWS ][ nBlocks_I ];
pk_gen.c: ^
pk_gen.c: 2 warnings generated.

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

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