Implementation notes: amd64, jasper, crypto_aead/grain128aead

Computer: jasper
Microarchitecture: amd64; Tremont (906c0)
Architecture: amd64
CPU ID: GenuineIntel-000906c0-20-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: grain128aead

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
484630	6769 0 0	24646 836 1016	`T:opt32`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
484843	6753 0 0	23342 836 1016	`T:opt32`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
515126	6856 0 0	22430 836 1016	`T:opt32`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
519791	3389 0 0	17636 828 1016	`T:opt32`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
540703	4134 0 0	17828 828 1016	`T:opt32`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
585597	3075 0 0	16221 780 1048	`T:opt32`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
605088	3521 0 0	17906 804 1080	`T:opt32`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
662949	9205 0 0	25122 804 1080	`T:opt32`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
833519	3695 0 0	18434 804 1080	`T:opt32`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
10262473	10277 0 1	26766 836 1016	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
10454320	14046 0 1	30044 812 1112	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
10546371	10508 0 1	25982 836 1016	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
10912660	13088 0 1	30854 836 1016	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
14372076	5252 0 1	20108 812 1112	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
23137200	3402 0 1	16647 788 1080	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
51264073	3915 0 1	18249 796 1112	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
51883672	3841 0 1	18132 828 1016	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625
52303718	7279 0 1	20828 828 1016	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240627	20240625

Compiler output

grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_encrypt':
grain128aead_32p.c: grain128aead_32p.c:275:6: 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:365:6: 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 (10.2.1_20210110)`
`T:opt32`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`

Compiler output

grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_encrypt':
grain128aead_32p.c: grain128aead_32p.c:295:21: 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:385:21: 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 (10.2.1_20210110)`