Implementation notes: amd64, comet, crypto_kem/remblem1056

Computer: comet
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: remblem1056
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
3153715436122 4312 7263702 5260 1888T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
3166917734140 4312 7260686 5260 1792T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
3188304433157 4312 7260566 5260 1792T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
3194391727307 4320 7254112 5212 1856T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
3237955510504 4320 7235424 5212 1856T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
325680259862 4312 7234788 5252 1888T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
3262610312471 4312 7236902 5260 1792T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
328904757385 4320 7231840 5212 1856T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625
334120486232 4320 7229496 5204 1824T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024071920240625

Compiler output


kem.c: kem.c:97:16: warning: unused variable 'D_tmp' [-Wunused-variable]
kem.c:         unsigned char D_tmp[32];
kem.c:                       ^
kem.c: kem.c:198:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j;
kem.c:                ^
kem.c: kem.c:322:16: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:322:19: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:366:24: warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:         bytes_from_modq(pk+32,pPubKey_B,CRYPTO_R_n);
kem.c:                               ^~~~~~~~~
kem.c: kem.c:27:60: note: passing argument to parameter 'x' here
kem.c: static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c:                                                            ^
kem.c: kem.c:340:12: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:340:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:454:6: warning: unused variable 'tmp' [-Wunused-variable]
kem.c: ...
rng.c: rng.c:123:6: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:         int ciphertext_len;
rng.c:             ^
rng.c: 1 warning generated.

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

Compiler output


kem.c: kem.c:97:16: warning: unused variable 'D_tmp' [-Wunused-variable]
kem.c:         unsigned char D_tmp[32];
kem.c:                       ^
kem.c: kem.c:198:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j;
kem.c:                ^
kem.c: kem.c:322:19: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:322:16: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:366:24: warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:         bytes_from_modq(pk+32,pPubKey_B,CRYPTO_R_n);
kem.c:                               ^~~~~~~~~
kem.c: kem.c:27:60: note: passing argument to parameter 'x' here
kem.c: static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c:                                                            ^
kem.c: kem.c:340:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:340:12: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:454:6: warning: unused variable 'tmp' [-Wunused-variable]
kem.c: ...
rng.c: rng.c:123:6: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:         int ciphertext_len;
rng.c:             ^
rng.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 2, namely:
ImplementationCompiler
T:refclang -march=native -O -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


kem.c: kem.c:97:16: warning: unused variable 'D_tmp' [-Wunused-variable]
kem.c:         unsigned char D_tmp[32];
kem.c:                       ^
kem.c: kem.c:198:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j;
kem.c:                ^
kem.c: kem.c:322:16: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:322:19: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:366:24: warning: passing 'int *' to parameter of type 'unsigned int *' converts between pointers to integer types with different sign [-Wpointer-sign]
kem.c:         bytes_from_modq(pk+32,pPubKey_B,CRYPTO_R_n);
kem.c:                               ^~~~~~~~~
kem.c: kem.c:27:60: note: passing argument to parameter 'x' here
kem.c: static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c:                                                            ^
kem.c: kem.c:340:9: warning: unused variable 'j' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                ^
kem.c: kem.c:340:12: warning: unused variable 'bit' [-Wunused-variable]
kem.c:         int i, j, bit;
kem.c:                   ^
kem.c: kem.c:454:6: warning: unused variable 'tmp' [-Wunused-variable]
kem.c: ...
rng.c: rng.c:123:6: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:         int ciphertext_len;
rng.c:             ^
rng.c: 1 warning generated.

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_14.0.6)

Compiler output


kem.c: kem.c: In function 'SHA256_OS':
kem.c: kem.c:97:23: warning: unused variable 'D_tmp' [-Wunused-variable]
kem.c:    97 |         unsigned char D_tmp[32];
kem.c:       |                       ^~~~~
kem.c: kem.c: In function 'p_add':
kem.c: kem.c:198:16: warning: unused variable 'j' [-Wunused-variable]
kem.c:   198 |         int i, j;
kem.c:       |                ^
kem.c: kem.c: In function 'keys_from_pk':
kem.c: kem.c:322:19: warning: unused variable 'bit' [-Wunused-variable]
kem.c:   322 |         int i, j, bit;
kem.c:       |                   ^~~
kem.c: kem.c:322:16: warning: unused variable 'j' [-Wunused-variable]
kem.c:   322 |         int i, j, bit;
kem.c:       |                ^
kem.c: kem.c: In function 'keys_from_sk':
kem.c: kem.c:366:31: warning: pointer targets in passing argument 2 of 'bytes_from_modq' differ in signedness [-Wpointer-sign]
kem.c:   366 |         bytes_from_modq(pk+32,pPubKey_B,CRYPTO_R_n);
kem.c:       |                               ^~~~~~~~~
kem.c:       |                               |
kem.c:       |                               int *
kem.c: kem.c:27:60: note: expected 'unsigned int *' but argument is of type 'int *'
kem.c:    27 | static void bytes_from_modq(unsigned char *y,unsigned int *x,int xlen)
kem.c:       |                                              ~~~~~~~~~~~~~~^
kem.c: kem.c:340:19: warning: unused variable 'bit' [-Wunused-variable]
kem.c: ...
rng.c: rng.c: In function 'AES256_ECB':
rng.c: rng.c:123:13: warning: variable 'ciphertext_len' set but not used [-Wunused-but-set-variable]
rng.c:   123 |         int ciphertext_len;
rng.c:       |             ^~~~~~~~~~~~~~

Number of similar (implementation,compiler) pairs: 4, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (12.2.0)
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)