Implementation notes: amd64, speed2supercop, crypto_aead/grain128aead

Computer: speed2supercop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-1fc9cbf5
SUPERCOP version: 20240625
Operation: crypto_aead
Primitive: grain128aead
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
3665046915 0 024672 816 872T:opt32clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
3681246899 0 023232 816 856T:opt32clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
3722847857 0 025424 816 872T:opt32clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
3883523017 0 015474 752 896T:opt32gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
3970726118 0 019696 816 856T:opt32clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
4023764248 0 018649 808 920T:opt32clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
4060643376 0 017119 776 928T:opt32gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
5794289002 0 024967 776 928T:opt32gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
7633763716 0 017687 776 928T:opt32gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
551693619378 0 136250 824 880T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
567298015373 0 131738 824 864T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
581006410007 0 127538 824 880T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
605542828641 0 144706 784 936T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
73325125113 0 119185 784 936T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
78816726070 0 120379 816 920T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
107074365517 0 119202 824 864T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
128951403401 0 115956 760 904T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625
466840523927 0 117622 768 936T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070320240625

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:
ImplementationCompiler
T:opt32clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opt32clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opt32clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opt32clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:opt32clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))

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 [-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 [-Wmaybe-uninitialized]
grain128aead_32p.c:   365 |         u32 rem_word;
grain128aead_32p.c:       |             ^~~~~~~~
Number of similar (implementation,compiler) pairs: 2, namely:
ImplementationCompiler
T:opt32gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:opt32gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

Compiler output

grain128aead_32p.c: grain128aead_32p.c: In function 'crypto_aead_grain128aead_opt32_timingleaks_encrypt':
grain128aead_32p.c: grain128aead_32p.c:296:42: warning: 'rem_word' may be used uninitialized [-Wmaybe-uninitialized]
grain128aead_32p.c:   296 |                 auth_accumulate8(&grain, getmb(rem_word) >> 8, *(m + j));
grain128aead_32p.c:       |                                          ^~~~~~~~~~~~~~~
grain128aead_32p.c: grain128aead_32p.c:275:13: note: 'rem_word' was declared here
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:386:42: warning: 'rem_word' may be used uninitialized [-Wmaybe-uninitialized]
grain128aead_32p.c:   386 |                 auth_accumulate8(&grain, getmb(rem_word) >> 8, *(m + j));
grain128aead_32p.c:       |                                          ^~~~~~~~~~~~~~~
grain128aead_32p.c: grain128aead_32p.c:365:13: note: 'rem_word' was declared here
grain128aead_32p.c:   365 |         u32 rem_word;
grain128aead_32p.c:       |             ^~~~~~~~
Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:opt32gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

Compiler output

grain128aead.c: grain128aead.c:140:31: warning: argument 'sr' of type 'unsigned char[64]' with mismatched bound [-Warray-parameter]
grain128aead.c: void auth_shift(unsigned char sr[64], unsigned char fb)
grain128aead.c:                               ^
grain128aead.c: ./grain128aead.h:26:31: note: previously declared as 'unsigned char[32]' here
grain128aead.c: void auth_shift(unsigned char sr[32], unsigned char fb);
grain128aead.c:                               ^
grain128aead.c: grain128aead.c:416:21: warning: variable 'ac_cnt' set but not used [-Wunused-but-set-variable]
grain128aead.c:         unsigned long long ac_cnt = 0;
grain128aead.c:                            ^
grain128aead.c: 2 warnings generated.
Number of similar (implementation,compiler) pairs: 5, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_16.0.6_(27+b1))

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: at offset 63 into object 'sr' of size [0, 32]
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:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)

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:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.3.0)