Implementation notes: amd64, samba, crypto_aead/aes128otrpv3

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240808
Operation: crypto_aead
Primitive: aes128otrpv3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
4806	9729 0 176	23507 844 1216	`T:ni_p7m2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4808	13162 0 176	30771 844 1216	`T:ni_p7m2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4818	9620 0 176	24213 836 1280	`T:ni_p7m2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4821	13146 0 176	31051 844 1280	`T:ni_p7m2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4874	13770 0 176	31379 844 1216	`T:ni_p8m2`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4890	14765 0 176	32236 812 1280	`T:ni_p7m2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4892	9963 0 176	24549 836 1280	`T:ni_p8m2`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4896	10081 0 176	23859 844 1216	`T:ni_p8m2`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
4965	11178 0 176	26516 812 1280	`T:ni_p7m2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5018	15533 0 176	33004 812 1280	`T:ni_p8m2`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5036	13786 0 176	31691 844 1280	`T:ni_p8m2`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5048	10859 0 176	25763 804 1280	`T:ni_p7m2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5640	23069 0 176	40540 812 1280	`T:ni_p7m1`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5652	23821 0 176	41292 812 1280	`T:ni_p8m1`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5660	19514 0 176	34852 812 1280	`T:ni_p7m1`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
5720	19119 0 176	34035 804 1280	`T:ni_p7m1`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
6007	12090 0 176	27436 812 1280	`T:ni_p8m2`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
6253	20394 0 176	35740 812 1280	`T:ni_p8m1`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
8623	20292 0 176	35203 804 1280	`T:ni_p8m1`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
8948	12036 0 176	26947 804 1280	`T:ni_p8m2`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
9207	7660 0 176	21431 788 1248	`T:ni_p7m2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
9331	7984 0 176	21751 788 1248	`T:ni_p8m2`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
9360	16022 0 176	29799 788 1248	`T:ni_p7m1`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
9491	16358 0 176	30135 788 1248	`T:ni_p8m1`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
95420	21017 4392 336	38436 5212 1440	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
95595	16343 4400 320	34019 5252 1408	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
96459	16323 4400 320	33691 5252 1376	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
98979	16966 4400 320	33331 5252 1344	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
108203	7517 4392 320	22796 5212 1440	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
108570	6008 4400 320	20741 5244 1408	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
111321	6548 4392 320	21316 5196 1440	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
116417	7482 4400 320	21387 5252 1344	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716
118636	5212 4392 320	18760 5180 1408	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240717	20240716

Compiler output

encrypt.c: encrypt.c:250:96: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                                                ^~~
encrypt.c: encrypt.c:250:91: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                                           ^~~
encrypt.c: encrypt.c:250:86: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                                      ^~~
encrypt.c: encrypt.c:250:81: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                                 ^~~
encrypt.c: encrypt.c:250:76: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                            ^~~
encrypt.c: encrypt.c:250:71: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                                       ^~~
encrypt.c: encrypt.c:250:58: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                          ^~~
encrypt.c: encrypt.c:250:53: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c:         const block sh1 = _mm_set_epi8(255, 255, 255, 255, 255, 255, 15, 14, 255, 255, 255, 255, 255, 255, 7, 6);
encrypt.c:                           ~~~~~~~~~~~~                     ^~~
encrypt.c: encrypt.c:250:48: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c: ...

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

Implementation	Compiler
`T:ni_p7m1`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m1`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m1`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m1`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m1`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m1`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m1`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m1`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m1`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m1`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

encrypt.c: encrypt.c: In function 'EFunc':
encrypt.c: encrypt.c:471:24: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:   471 |         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:       |                        ^~~
encrypt.c: encrypt.c: In function 'DFunc':
encrypt.c: encrypt.c:666:24: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:   666 |         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:       |                        ^~~

Number of similar (implementation,compiler) pairs: 16, namely:

Implementation	Compiler
`T:ni_p7m1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

encrypt.c: encrypt.c:471:17: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:                        ^
encrypt.c: encrypt.c:666:17: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:                        ^
encrypt.c: encrypt.c:68:24: warning: unused function 'AES_256_Key_Expansion' [-Wunused-function]
encrypt.c: __inline__ static void AES_256_Key_Expansion(
encrypt.c:                        ^
encrypt.c: 3 warnings generated.

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

Implementation	Compiler
`T:ni_p7m2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

encrypt.c: encrypt.c:471:17: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:                        ^
encrypt.c: encrypt.c:666:17: warning: unused variable 'tmp' [-Wunused-variable]
encrypt.c:         ALIGN(16)uint8 tmp[BLOCK] = { 0 };
encrypt.c:                        ^
encrypt.c: encrypt.c:68:24: warning: unused function 'AES_256_Key_Expansion' [-Wunused-function]
encrypt.c: __inline__ static void AES_256_Key_Expansion(
encrypt.c:                        ^
encrypt.c: encrypt.c:304:18: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'mul2_PIPE' that is compiled without support for 'ssse3'
encrypt.c:         __m128i intmp = le(dat[0]);
encrypt.c:                         ^
encrypt.c: encrypt.c:42:15: note: expanded from macro 'le'
encrypt.c: #define le(b) _mm_shuffle_epi8(b,_mm_set_epi8(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15)) /*Byte order conversion*/
encrypt.c:               ^
encrypt.c: encrypt.c:312:11: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'mul2_PIPE' that is compiled without support for 'ssse3'
encrypt.c:         dat[1] = le(intmp);
encrypt.c:                  ^
encrypt.c: encrypt.c:42:15: note: expanded from macro 'le'
encrypt.c: #define le(b) _mm_shuffle_epi8(b,_mm_set_epi8(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15)) /*Byte order conversion*/
encrypt.c:               ^
encrypt.c: encrypt.c:319:11: error: always_inline function '_mm_shuffle_epi8' requires target feature 'ssse3', but would be inlined into function 'mul2_PIPE' that is compiled without support for 'ssse3'
encrypt.c:         dat[2] = le(intmp);
encrypt.c:                  ^
encrypt.c: encrypt.c:42:15: note: expanded from macro 'le'
encrypt.c: ...

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

Implementation	Compiler
`T:ni_p7m2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Namespace violations

encrypt.o AFunc T
encrypt.o AFuncS T
encrypt.o DFunc T
encrypt.o EFunc T
encrypt.o TX R
encrypt.o TY R
encrypt.o encrypt_key B

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

Implementation	Compiler
`T:ni_p7m1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m1`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m1`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Namespace violations

encrypt.o AFunc T
encrypt.o AFuncS T
encrypt.o DFunc T
encrypt.o EFunc T
encrypt.o encrypt_key B

Number of similar (implementation,compiler) pairs: 16, namely:

Implementation	Compiler
`T:ni_p7m2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p7m2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ni_p8m2`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Namespace violations

otr.o AE_Decrypt T
otr.o AE_Encrypt T
otr.o AFunc T
otr.o AFuncS T
otr.o DFunc T
otr.o EFunc T
otr.o L B
otr.o Ls B
otr.o Q B
otr.o Setup T
otr.o TA B
otr.o TE B
otr.o nEnc T
t-aes_enc_only.o Encryption T
t-aes_enc_only.o KeySchedule T
t-aes_enc_only.o RC D
t-aes_enc_only.o S D
t-aes_enc_only.o T0 D
t-aes_enc_only.o T1 D
t-aes_enc_only.o T2 D
t-aes_enc_only.o T3 D

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`