Implementation notes: amd64, cezanne, crypto_kem/ledakem33sl

Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240625
Operation: crypto_kem
Primitive: ledakem33sl
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
686321975711 1173512 52106200 1174332 1752T:portableoptclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
688093390520 1173512 52121064 1174332 1752T:portableoptclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
704192073162 1173512 52103528 1174300 1816T:portableoptgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1025628146800 1173512 5274438 1174324 1752T:portableoptclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1159457145696 1173512 5274672 1174300 1816T:portableoptgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1426200942637 1173512 5270904 1174300 1816T:portableoptgcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
1552627753652 72 5283856 892 1752T:portableoptclang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625
3006257930031 1173512 5257384 1174292 1784T:portableoptgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024062820240625

Test failure


error 111

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

Compiler output


gf2x_arith_mod_xPplusOne.c: gf2x_arith_mod_xPplusOne.c: In function 'gf2x_mod_fmac':
gf2x_arith_mod_xPplusOne.c: gf2x_arith_mod_xPplusOne.c:805:39: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations]
gf2x_arith_mod_xPplusOne.c:   805 |             result[j] ^= (shifted_temp[j] << low_shift_amt) | ( zeroshift_mask &
gf2x_arith_mod_xPplusOne.c:       |                           ~~~~~~~~~~~~^~~
gf2x_arith_mod_xPplusOne.c: gf2x_arith_mod_xPplusOne.c:804:9: note: within this loop
gf2x_arith_mod_xPplusOne.c:   804 |         for (; j < NUM_DIGITS_GF2X_ELEMENT-1 ; j++) {
gf2x_arith_mod_xPplusOne.c:       |         ^~~

Number of similar (implementation,compiler) pairs: 1, namely:
ImplementationCompiler
T:portableoptgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)