Implementation notes: amd64, comet, crypto_encrypt/mcnie4q2561

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_encrypt
Primitive: mcnie4q2561
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
928873553732 6 5275483 820 1856T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
952838440141 6 5260011 820 1856T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
986683775998 6 5299490 900 1856T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
998799763547 6 5285314 900 1792T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
1012717837569 6 5257066 900 1792T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
1032831036321 6 5256066 884 1856T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
1152883571644 6 5294874 900 1792T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
1401683936416 6 5255843 820 1856T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625
3472695630325 6 5248699 812 1824T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071220240625

Compiler output


bin_vec.c: bin_vec.c:201:8: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:         short last = x->size - ((n-1)<<5);
bin_vec.c:               ^
bin_vec.c: 1 warning generated.
conv.c: conv.c:142:4: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
conv.c:           for( i=0 ; i<nr ; i++ )
conv.c:           ^
conv.c: conv.c:127:2: note: previous statement is here
conv.c:         for( i=0 ; i<nr ; i++ )
conv.c:         ^
conv.c: 1 warning generated.
crypt.c: crypt.c:847:29: warning: variable 'cip_len' set but not used [-Wunused-but-set-variable]
crypt.c:         unsigned long long msg_len,cip_len,er_dat_len,y_len;
crypt.c:                                    ^
crypt.c: crypt.c:906:29: warning: variable 'cip_len' set but not used [-Wunused-but-set-variable]
crypt.c:         unsigned long long msg_len,cip_len,er_dat_len;
crypt.c:                                    ^
crypt.c: crypt.c:987:31: warning: variable 'res_bytes' set but not used [-Wunused-but-set-variable]
crypt.c:         unsigned long long num_block,res_bytes,real_mlen;
crypt.c:                                      ^
crypt.c: 3 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_14.0.6)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)

Compiler output


bin_vec.c: bin_vec.c: In function 'Shift':
bin_vec.c: bin_vec.c:201:15: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:   201 |         short last = x->size - ((n-1)<<5);
bin_vec.c:       |               ^~~~
conv.c: conv.c: In function 'conv':
conv.c: conv.c:127:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
conv.c:   127 |         for( i=0 ; i<nr ; i++ )
conv.c:       |         ^~~
conv.c: conv.c:142:11: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
conv.c:   142 |           for( i=0 ; i<nr ; i++ )
conv.c:       |           ^~~
crypt.c: crypt.c: In function 'crypto_encrypt_mcnie4q2561_ref_timingleaks':
crypt.c: crypt.c:987:38: warning: variable 'res_bytes' set but not used [-Wunused-but-set-variable]
crypt.c:   987 |         unsigned long long num_block,res_bytes,real_mlen;
crypt.c:       |                                      ^~~~~~~~~
crypt.c: crypt.c: In function 'error_space':
crypt.c: crypt.c:1176:12: warning: '*Fs' may be used uninitialized [-Wmaybe-uninitialized]
crypt.c:  1176 |         er = Fs[0];  rr = N;
crypt.c:       |         ~~~^~~~~~~
matrix.c: matrix.c: In function 'mat_inv':
matrix.c: matrix.c:325:18: warning: '*_180 + _196' may be used uninitialized [-Wmaybe-uninitialized]
matrix.c:   325 |         if( B.dat[N-1][N-1] != 1 )
matrix.c:       |             ~~~~~^~~~~

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)

Compiler output


bin_vec.c: bin_vec.c: In function 'Shift':
bin_vec.c: bin_vec.c:201:15: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:   201 |         short last = x->size - ((n-1)<<5);
bin_vec.c:       |               ^~~~
conv.c: conv.c: In function 'conv':
conv.c: conv.c:127:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
conv.c:   127 |         for( i=0 ; i<nr ; i++ )
conv.c:       |         ^~~
conv.c: conv.c:142:11: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
conv.c:   142 |           for( i=0 ; i<nr ; i++ )
conv.c:       |           ^~~
crypt.c: crypt.c: In function 'crypto_encrypt_mcnie4q2561_ref_timingleaks':
crypt.c: crypt.c:987:38: warning: variable 'res_bytes' set but not used [-Wunused-but-set-variable]
crypt.c:   987 |         unsigned long long num_block,res_bytes,real_mlen;
crypt.c:       |                                      ^~~~~~~~~
crypt.c: crypt.c: In function 'error_space':
crypt.c: crypt.c:1176:12: warning: '*Fs' may be used uninitialized [-Wmaybe-uninitialized]
crypt.c:  1176 |         er = Fs[0];  rr = N;
crypt.c:       |         ~~~^~~~~~~
matrix.c: matrix.c: In function 'mat_inv':
matrix.c: matrix.c:325:18: warning: '*_180 + _237' may be used uninitialized [-Wmaybe-uninitialized]
matrix.c:   325 |         if( B.dat[N-1][N-1] != 1 )
matrix.c:       |             ~~~~~^~~~~

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)

Compiler output


bin_vec.c: bin_vec.c: In function 'Shift':
bin_vec.c: bin_vec.c:201:15: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:   201 |         short last = x->size - ((n-1)<<5);
bin_vec.c:       |               ^~~~
conv.c: conv.c: In function 'conv':
conv.c: conv.c:127:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
conv.c:   127 |         for( i=0 ; i<nr ; i++ )
conv.c:       |         ^~~
conv.c: conv.c:142:11: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
conv.c:   142 |           for( i=0 ; i<nr ; i++ )
conv.c:       |           ^~~
crypt.c: crypt.c: In function 'crypto_encrypt_mcnie4q2561_ref_timingleaks':
crypt.c: crypt.c:987:38: warning: variable 'res_bytes' set but not used [-Wunused-but-set-variable]
crypt.c:   987 |         unsigned long long num_block,res_bytes,real_mlen;
crypt.c:       |                                      ^~~~~~~~~

Number of similar (implementation,compiler) pairs: 2, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)