Implementation notes: amd64, hertz, crypto_aead/aes128otrpv3

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240107
Operation: crypto_aead
Primitive: aes128otrpv3

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
8730	7975 0 176	21687 788 1256	`T:ni_p8m2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
8907	16261 0 176	29975 788 1256	`T:ni_p8m1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
9580	7645 0 176	21367 788 1256	`T:ni_p7m2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
10208	15933 0 176	29655 788 1256	`T:ni_p7m1`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
75893	11709 4400 320	29490 5252 1416	`T:ref`	`clang-17_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
76334	11693 4400 320	29346 5252 1416	`T:ref`	`clang-17_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
89115	7693 4392 320	22885 5204 1448	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
90483	19167 4392 400	36349 5204 1608	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217
96277	7047 4400 320	22036 5244 1416	`T:ref`	`clang-17_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231219	20231217
117040	5262 4392 320	18752 5180 1416	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231219	20231217

Test failure

Implementation: T:ni_p7m1
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 14, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p7m1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p7m1
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m2
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m2
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p7m2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p7m2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p8m1
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p8m1
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m2
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m2
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p8m2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ni_p8m2

Compiler output

Implementation: T:ni_p7m1
Security model: timingleaks
Compiler: clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.c: encrypt.c:250:96: warning: implicit conversion from 'int' to 'char' changes value from 255 to -1 [-Wconstant-conversion]
encrypt.c: 250 | 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: 250 | 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: 250 | 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: 250 | 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: 250 | 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: 250 | 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: 250 | 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: 250 | 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 (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m1
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m1
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p7m1
clang-17 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m1
clang-17 -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m1
clang-17 -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ni_p8m1

Compiler output

Implementation: T:ref
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

otr.c: In function 'xorp',
otr.c: inlined from 'AE_Decrypt' at otr.c:360:4:
otr.c: otr.c:444:22: warning: writing 32 bytes into a region of size 16 [-Wstringop-overflow=]
otr.c: 444 | z[i] = x[i]^y[i];
otr.c: | ~~~~~^~~~~~~~~~~
otr.c: otr.c: In function 'AE_Decrypt':
otr.c: otr.c:349:15: note: destination object 'loctag' of size 16
otr.c: 349 | uint8 loctag[BLOCK];
otr.c: | ^~~~~~

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

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:ref