Implementation notes: amd64, rumba7, crypto_aead/grain128aead

Computer: rumba7
Microarchitecture: amd64; Zen (800f11)
Architecture: amd64
CPU ID: AuthenticAMD-00800f11-178bfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: grain128aead

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
272663	6705 0 0	24301 868 1056	`T:opt32`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
283999	6696 0 0	23373 868 1024	`T:opt32`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
329821	3262 0 0	17138 804 1056	`T:opt32`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
354027	4203 0 0	19055 860 1088	`T:opt32`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
354831	6797 0 0	24005 868 1056	`T:opt32`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
355948	6028 0 0	20189 868 1024	`T:opt32`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
364555	3748 0 0	18943 828 1088	`T:opt32`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
522111	9477 0 0	26455 828 1088	`T:opt32`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
779182	4005 0 0	19735 828 1088	`T:opt32`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
6687737	15183 0 1	31911 876 1024	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
6928988	17435 0 1	34199 876 1056	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
7192942	14140 0 1	31249 836 1120	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
7289267	8689 0 1	25879 876 1056	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
9522556	6033 0 1	20801 868 1088	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
11508063	5480 0 1	21345 836 1120	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
13695346	5539 0 1	19807 876 1024	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
15961447	3709 0 1	17708 812 1088	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625
56984154	4132 0 1	19254 820 1120	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240626	20240625

Compiler output

grain128aead_32p.c: grain128aead_32p.c:78:6: warning: variable 'mstmp' set but not used [-Wunused-but-set-variable]
grain128aead_32p.c:         u16 mstmp = ms;
grain128aead_32p.c:             ^
grain128aead_32p.c: grain128aead_32p.c:111:5: warning: variable 'mstmp' set but not used [-Wunused-but-set-variable]
grain128aead_32p.c:         u8 mstmp = ms;
grain128aead_32p.c:            ^
grain128aead_32p.c: 2 warnings generated.

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

Implementation	Compiler
`T:opt32`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt32`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt32`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt32`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`
`T:opt32`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_14.0.0)`

Compiler output

grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_encrypt':
grain128aead_32p.c: grain128aead_32p.c:275:13: warning: 'rem_word' may be used uninitialized in this function [-Wmaybe-uninitialized]
grain128aead_32p.c:   275 |         u32 rem_word;
grain128aead_32p.c:       |             ^~~~~~~~
grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_decrypt':
grain128aead_32p.c: grain128aead_32p.c:365:13: warning: 'rem_word' may be used uninitialized in this function [-Wmaybe-uninitialized]
grain128aead_32p.c:   365 |         u32 rem_word;
grain128aead_32p.c:       |             ^~~~~~~~

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

Implementation	Compiler
`T:opt32`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`
`T:opt32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_encrypt':
grain128aead_32p.c: grain128aead_32p.c:295:35: warning: 'rem_word' may be used uninitialized in this function [-Wmaybe-uninitialized]
grain128aead_32p.c:   295 |                 *(c + j) = ((u8) (getkb(rem_word) >> 8)) ^ *(m + j);
grain128aead_32p.c:       |                                   ^~~~~~~~~~~~~~~
grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_decrypt':
grain128aead_32p.c: grain128aead_32p.c:385:35: warning: 'rem_word' may be used uninitialized in this function [-Wmaybe-uninitialized]
grain128aead_32p.c:   385 |                 *(m + j) = ((u8) (getkb(rem_word) >> 8)) ^ *(c + j);
grain128aead_32p.c:       |                                   ^~~~~~~~~~~~~~~

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

Implementation	Compiler
`T:opt32`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

grain128aead.c: grain128aead.c:140:31: warning: argument 1 of type 'unsigned char[64]' with mismatched bound [-Warray-parameter=]
grain128aead.c:   140 | void auth_shift(unsigned char sr[64], unsigned char fb)
grain128aead.c:       |                 ~~~~~~~~~~~~~~^~~~~~
grain128aead.c: In file included from grain128aead.c:20:
grain128aead.c: grain128aead.h:26:31: note: previously declared as 'unsigned char[32]'
grain128aead.c:    26 | void auth_shift(unsigned char sr[32], unsigned char fb);
grain128aead.c:       |                 ~~~~~~~~~~~~~~^~~~~~
grain128aead.c: grain128aead.c: In function 'auth_shift':
grain128aead.c: grain128aead.c:145:11: warning: array subscript 63 is outside array bounds of 'unsigned char[32]' [-Warray-bounds]
grain128aead.c:   145 |         sr[63] = fb;
grain128aead.c:       |         ~~^~~~
grain128aead.c: grain128aead.c:140:31: note: while referencing 'sr'
grain128aead.c:   140 | void auth_shift(unsigned char sr[64], unsigned char fb)
grain128aead.c:       |                 ~~~~~~~~~~~~~~^~~~~~
grain128aead.c: grain128aead.c:143:23: warning: '__builtin_memmove' forming offset [32, 62] is out of the bounds [0, 32] [-Warray-bounds]
grain128aead.c:   143 |                 sr[i] = sr[i+1];
grain128aead.c:       |                 ~~~~~~^~~~~~~~~

Number of similar (implementation,compiler) pairs: 3, namely:

Implementation	Compiler
`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 -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (11.4.0)`

Compiler output

grain128aead.c: grain128aead.c:140:31: warning: argument 1 of type 'unsigned char[64]' with mismatched bound [-Warray-parameter=]
grain128aead.c:   140 | void auth_shift(unsigned char sr[64], unsigned char fb)
grain128aead.c:       |                 ~~~~~~~~~~~~~~^~~~~~
grain128aead.c: In file included from grain128aead.c:20:
grain128aead.c: grain128aead.h:26:31: note: previously declared as 'unsigned char[32]'
grain128aead.c:    26 | void auth_shift(unsigned char sr[32], unsigned char fb);
grain128aead.c:       |                 ~~~~~~~~~~~~~~^~~~~~

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

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