Implementation notes: amd64, samba, crypto_kem/ntskem1380

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: ntskem1380

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
812486	102660 84 16	124149 980 1760	`T:avx2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
922588	165084 84 16	186365 980 1856	`T:sse2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
936058	95470 84 16	117109 980 1760	`T:sse2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1007066	103088 84 16	124127 956 1824	`T:avx2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1034349	83602 84 16	102087 956 1824	`T:avx2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1076779	84873 84 16	103903 956 1824	`T:avx2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1078346	76339 84 16	95151 972 1856	`T:avx2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1080611	102152 84 16	120413 980 1760	`T:avx2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1089260	77978 84 16	95310 948 1792	`T:avx2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1146948	95655 84 16	113941 980 1760	`T:sse2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1198019	70532 84 16	89383 972 1856	`T:sse2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1329605	144240 84 16	167061 980 1856	`T:opt`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1342336	96053 84 16	118759 956 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1512686	92081 84 16	115269 980 1760	`T:opt`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1535827	70118 84 16	90823 956 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1566394	68589 84 16	88735 956 1824	`T:opt`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1604842	64297 84 16	83126 948 1792	`T:opt`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1655558	65599 84 16	85855 972 1856	`T:opt`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1675003	90159 84 16	109957 980 1760	`T:opt`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
1770025	159397 84 16	181173 980 1760	`T:opt`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
12151930	42677 76 16	66181 964 1760	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
12282816	45475 76 16	69261 964 1856	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
12330410	35528 76 16	58311 924 1824	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
12672685	39008 76 16	61141 964 1760	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
13491188	26933 76 16	47599 924 1824	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
13795163	29623 76 16	49381 964 1760	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
13866734	24566 76 16	44687 924 1824	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
13998616	22892 76 16	43263 956 1856	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625
15274934	21144 76 16	39910 916 1792	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240628	20240625

Test failure

error 111

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

Implementation	Compiler
`T:avx2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

bitslice_bma_128.c: bitslice_bma_128.c:92:12: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'bit_reverse' that is compiled without support for 'ssse3'
bitslice_bma_128.c:     return _mm_shuffle_epi8(x, _mm_set_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15));
bitslice_bma_128.c:            ^
bitslice_bma_128.c: 1 error generated.

Number of similar (implementation,compiler) pairs: 2, namely:

Implementation	Compiler
`T:avx2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:sse2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

m4r.c: m4r.c: In function 'zero_vector':
m4r.c: m4r.c:85:20: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c:    85 |         *vec_ptr = _mm256_setzero_si256(); vec_ptr++;
m4r.c:       |                    ^~~~~~~~~~~~~~~~~~~~
m4r.c: m4r.c:86:20: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c:    86 |         *vec_ptr = _mm256_setzero_si256(); vec_ptr++;
m4r.c:       |                    ^~~~~~~~~~~~~~~~~~~~
m4r.c: m4r.c: In function '_m4ri_make_table_rev':
m4r.c: m4r.c:147:12: error: incompatible types when assigning to type 'vector' {aka '__m128i'} from type '__m256i'
m4r.c:   147 |     mask = _mm256_set_epi64x(v[3], v[2], v[1], v[0]);
m4r.c:       |            ^~~~~~~~~~~~~~~~~
m4r.c: m4r.c:196:46: error: incompatible type for argument 1 of '_mm256_and_si256'
m4r.c:   196 |     S_ptr[nblocks-1] = _mm256_and_si256(S_ptr[nblocks-1], mask);
m4r.c:       |                                         ~~~~~^~~~~~~~~~~
m4r.c:       |                                              |
m4r.c:       |                                              vector {aka __m128i}
m4r.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
m4r.c:                  from bits.h:28,
m4r.c:                  from m4r.c:26:
m4r.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:179:27: note: expected '__m256i' but argument is of type 'vector' {aka '__m128i'}
m4r.c:   179 | _mm256_and_si256 (__m256i __A, __m256i __B)
m4r.c:       |                   ~~~~~~~~^~~
m4r.c: m4r.c:196:59: error: incompatible type for argument 2 of '_mm256_and_si256'
m4r.c:   196 |     S_ptr[nblocks-1] = _mm256_and_si256(S_ptr[nblocks-1], mask);
m4r.c:       |                                                           ^~~~
m4r.c: ...

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

Implementation	Compiler
`T:sse2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:sse2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:sse2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:sse2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`