Implementation notes: amd64, samba, crypto_kem/ledakemcpa32

Computer: samba
Microarchitecture: amd64; Skylake (506e3)
Architecture: amd64
CPU ID: GenuineIntel-000506e3-bfebfbff
SUPERCOP version: 20240425
Operation: crypto_kem
Primitive: ledakemcpa32
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
202208070093 631680 5290315 632540 1792T:portableoptclang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042820240425
209443172982 631680 5293211 632540 1888T:portableoptclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042820240425
244242259803 631680 5279916 632508 1856T:portableoptgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024042820240425
348988448050 631680 5266803 632540 1792T:portableoptclang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042820240425
446027643922 631680 5263469 632532 1888T:portableoptclang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042820240425
629734948862 60 5278333 932 1792T:portableoptclang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2024042820240425
670743747125 631680 5265572 632508 1856T:portableoptgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024042820240425
741574044298 631680 5262860 632508 1856T:portableoptgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2024042820240425

Test failure

Implementation: T:portableopt
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE
error 111
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portableopt

Compiler output

Implementation: T:portableopt
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE
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:803:39: warning: iteration 1 invokes undefined behavior [-Waggressive-loop-optimizations]
gf2x_arith_mod_xPplusOne.c: 803 | 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:802:18: note: within this loop
gf2x_arith_mod_xPplusOne.c: 802 | for (; j < NUM_DIGITS_GF2X_ELEMENT-1 ; j++) {
gf2x_arith_mod_xPplusOne.c: | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE T:portableopt