Implementation notes: amd64, saber214, crypto_encode/1277xfreeze3

Computer: saber214
Microarchitecture: amd64; Bulldozer (600f20)
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-1789c3f5
SUPERCOP version: 20240625
Operation: crypto_encode
Primitive: 1277xfreeze3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
1074	379 0 0	11212 816 728	`ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1074	379 0 0	13604 816 744	`ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
1224	1536 0 0	13454 776 800	`ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
3608	503 0 0	12452 816 728	`ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
6566	89 0 0	9262 808 728	`ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
6924	103 0 0	9684 816 728	`ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
7238	131 0 0	9449 752 768	`ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
7569	145 0 0	10646 776 800	`ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
7580	139 0 0	10397 768 800	`ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

encode.c: encode.c:16:19: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c:                   ^
encode.c: encode.c:17:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       x = _mm256_sub_epi16(x,y);
encode.c:           ^
encode.c: encode.c:18:11: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       y = _mm256_add_epi16(y,y);
encode.c:           ^
encode.c: encode.c:19:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       x = _mm256_sub_epi16(x,y);
encode.c:           ^
encode.c: 4 errors generated.

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

Implementation	Compiler
`avx`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`avx`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`avx`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`avx`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

encode.c: encode.c:15:19: error: always_inline function '_mm256_loadu_si256' requires target feature 'avx', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx'
encode.c:       __m256i x = _mm256_loadu_si256((__m256i *) r);
encode.c:                   ^
encode.c: encode.c:15:19: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:16:41: error: always_inline function '_mm256_set1_epi16' requires target feature 'avx', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx'
encode.c:       __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c:                                         ^
encode.c: encode.c:16:41: error: AVX vector return of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:16:19: error: always_inline function '_mm256_mulhrs_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       __m256i y = _mm256_mulhrs_epi16(x,_mm256_set1_epi16(10923));
encode.c:                   ^
encode.c: encode.c:16:19: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:17:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       x = _mm256_sub_epi16(x,y);
encode.c:           ^
encode.c: encode.c:17:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:18:11: error: always_inline function '_mm256_add_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       y = _mm256_add_epi16(y,y);
encode.c:           ^
encode.c: encode.c:18:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:19:11: error: always_inline function '_mm256_sub_epi16' requires target feature 'avx2', but would be inlined into function 'crypto_encode_1277xfreeze3_avx_constbranchindex' that is compiled without support for 'avx2'
encode.c:       x = _mm256_sub_epi16(x,y);
encode.c:           ^
encode.c: encode.c:19:11: error: AVX vector argument of type '__m256i' (vector of 4 'long long' values) without 'avx' enabled changes the ABI
encode.c: encode.c:20:20: error: '__builtin_ia32_vextractf128_si256' needs target feature avx
encode.c: ...

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

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

Compiler output

encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
encode.c:                  from encode.c:1:
encode.c: encode.c: In function 'crypto_encode_1277xfreeze3_avx_constbranchindex':
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
encode.c:   808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
encode.c:       | ^~~~~~~~~~~~~~~~
encode.c: encode.c:19:11: note: called from here
encode.c:    19 |       x = _mm256_sub_epi16(x,y);
encode.c:       |           ^~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
encode.c:                  from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:112:1: error: inlining failed in call to 'always_inline' '_mm256_add_epi16': target specific option mismatch
encode.c:   112 | _mm256_add_epi16 (__m256i __A, __m256i __B)
encode.c:       | ^~~~~~~~~~~~~~~~
encode.c: encode.c:18:11: note: called from here
encode.c:    18 |       y = _mm256_add_epi16(y,y);
encode.c:       |           ^~~~~~~~~~~~~~~~~~~~~
encode.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/11/include/immintrin.h:47,
encode.c:                  from encode.c:1:
encode.c: /usr/lib/gcc/x86_64-linux-gnu/11/include/avx2intrin.h:808:1: error: inlining failed in call to 'always_inline' '_mm256_sub_epi16': target specific option mismatch
encode.c:   808 | _mm256_sub_epi16 (__m256i __A, __m256i __B)
encode.c:       | ^~~~~~~~~~~~~~~~
encode.c: encode.c:17:11: note: called from here
encode.c:    17 |       x = _mm256_sub_epi16(x,y);
encode.c:       |           ^~~~~~~~~~~~~~~~~~~~~
encode.c: ...

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

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

TIMECOP error (can be valgrind bug)

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A52B
   at 0x...: F3_freeze (encode.c:16)
   by 0x...: crypto_encode_1277xfreeze3_ref_constbranchindex (encode.c:25)
   by 0x...: test (try.c:100)
   by 0x...: main (try-anything.c:345)

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

Implementation	Compiler
`ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

TIMECOP error (can be valgrind bug)

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10A5CB
   at 0x...: F3_freeze (encode.c:16)
   by 0x...: crypto_encode_1277xfreeze3_ref_constbranchindex (encode.c:25)
   by 0x...: test (try.c:100)
   by 0x...: main (try-anything.c:345)

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

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

TIMECOP error (can be valgrind bug)

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x109C3D
   at 0x...: salsa20.part.0 (try-anything.c:102)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: input_prepare (try-anything.c:162)
   by 0x...: test (try.c:95)
   by 0x...: main (try-anything.c:345)

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

Implementation	Compiler
`ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

TIMECOP error (can be valgrind bug)

Process terminating with default action of signal 4 (SIGILL)
 Illegal opcode at address 0x10988A
   at 0x...: core (try-anything.c:53)
   by 0x...: salsa20.part.0 (try-anything.c:89)
   by 0x...: salsa20 (try-anything.c:85)
   by 0x...: testvector (try-anything.c:124)
   by 0x...: input_prepare (try-anything.c:162)
   by 0x...: test (try.c:95)
   by 0x...: main (try-anything.c:345)

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

Implementation	Compiler
`ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Passed TIMECOP

TIMECOP iterations: 10

Number of similar (implementation,compiler) pairs: 5, namely:

Implementation	Compiler
`ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`