Implementation notes: amd64, rome0, crypto_kem/remblem928

Computer: rome0
Microarchitecture: amd64; Zen 2 (830f10)
Architecture: amd64
CPU ID: AuthenticAMD-00830f10-178bfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: remblem928
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1047547916972 4116 7242101 5028 1784T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
1070975316032 4128 7241414 5020 1848T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
1097184515224 4116 7240093 5028 1784T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
1102344117351 4116 7242661 5028 1784T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
112041308894 4128 7232558 5020 1848T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
112825727792 4116 7230419 5020 1784T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
114140417657 4128 7230870 5020 1848T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
114412887513 4116 7230435 5020 1784T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625
119609326285 4128 7228430 5012 1816T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062520240625

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: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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: ...

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

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:340:12: 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: ...

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:refclang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)

Compiler output


kem.c: kem.c: In function 'SHA256_OS':
kem.c: kem.c:97:16: 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:198:9: 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:366:24: 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:340:12: warning: unused variable 'bit' [-Wunused-variable]
kem.c: ...
rng.c: rng.c: In function 'AES256_ECB':
rng.c: rng.c:123:6: 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 (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)