Implementation notes: amd64, cubi10, crypto_encrypt/mceliece

Computer: cubi10
Microarchitecture: amd64; Comet Lake (806ec)
Architecture: amd64
CPU ID: GenuineIntel-000806ec-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_encrypt
Primitive: mceliece
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
96904227480 128 849255803 980 10264T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
99291837047 128 849265539 980 10264T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
101346126624 128 849254379 980 10264T:refclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
105441713883 128 849238953 972 10264T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
107069213858 128 849239273 972 10264T:refclang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
108774919895 128 852847760 964 10360T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
116862516607 128 852842728 964 10360T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
134619811619 128 852836224 956 10360T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625
134750013873 128 852839488 964 10360T:refgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024070820240625

Compiler output


misc.c: misc.c:6:35: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c:                                   ^~
misc.c: .../supercop-data/cubi10/amd64/include/randombytes.h:8:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c:                                        ^
misc.c: 1 warning 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_11.0.1)
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)
T:refclang -march=native -O -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


misc.c: misc.c: In function 'u8rnd':
misc.c: misc.c:6:35: warning: pointer targets in passing argument 1 of 'randombytes' differ in signedness [-Wpointer-sign]
misc.c:     6 | int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c:       |                                   ^~
misc.c:       |                                   |
misc.c:       |                                   char *
misc.c: In file included from misc.c:3:
misc.c: .../supercop-data/cubi10/amd64/include/randombytes.h:8:25: note: expected 'unsigned char *' but argument is of type 'char *'
misc.c:     8 | extern void randombytes(unsigned char *,unsigned long long);
misc.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)