Implementation notes: amd64, hobbes, crypto_sign/sphincs256

Computer: hobbes
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_sign
Primitive: sphincs256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
337657126? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017111620171020
337993442? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017111620171020
338015395? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017111620171020
339468940? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017111620171020
339675711? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2017111620171020
340359494? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017111620171020
350003805? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017111620171020
350249055? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017111620171020
350379149? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017111620171020
350579887? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017111620171020
350784238? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017111620171020
352665070? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017111620171020
353035888? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017111620171020
353123395? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017111620171020
353442496? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017111620171020
353596125? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017111620171020
353598354? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017111620171020
354678902? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017111620171020
354828677? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017111620171020
354862713? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017111620171020
356754890? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017111620171020
357040033? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017111620171020
358383280? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017111620171020
358799095? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017111620171020
371945684? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2017111620171020
372290336? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2017111620171020
410636241? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017111620171020
411155307? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017111620171020
411290313? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017111620171020
411848231? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017111620171020
412236327? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017111620171020
413484274? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017111620171020
415775416? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017111620171020
417694181? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017111620171020
417849780? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017111620171020
419745247? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017111620171020
423281055? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017111620171020
424959717? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017111620171020
425420149? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017111620171020
425523181? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017111620171020
425635527? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017111620171020
425769454? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017111620171020
425868633? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017111620171020
425941676? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017111620171020
540713020? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017111620171020
541063789? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017111620171020
555260839? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017111620171020
555617955? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017111620171020
557892852? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017111620171020
558373408? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017111620171020
558840447? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017111620171020
559288781? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017111620171020
559738613? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017111620171020
560900277? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2017111620171020
561100033? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2017111620171020
561407247? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017111620171020
561448083? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2017111620171020
561623609? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017111620171020
561885559? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017111620171020
562177607? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017111620171020
572295322? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017111620171020
572316140? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017111620171020
572816871? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017111620171020
572821763? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2017111620171020
572889034? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2017111620171020
573947925? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017111620171020
575583779? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017111620171020
575668913? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017111620171020
576077476? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2017111620171020
576346524? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017111620171020
579234406? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017111620171020
579741809? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017111620171020
579765607? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017111620171020
580330122? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017111620171020
580558231? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2017111620171020
581754089? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017111620171020
583211438? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017111620171020
583608227? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017111620171020
586404442? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017111620171020
590163795? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017111620171020
590416050? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017111620171020
590700498? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017111620171020
590996557? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017111620171020
591097317? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017111620171020
591375361? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017111620171020
592004942? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017111620171020
592132522? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017111620171020
593485839? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2017111620171020
596742282? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2017111620171020
599004510? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017111620171020
599350736? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017111620171020
601279482? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017111620171020
602185113? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017111620171020
602945685? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017111620171020
603721659? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017111620171020
603795535? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017111620171020
604310865? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017111620171020
604524757? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017111620171020
610959342? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017111620171020
614981957? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017111620171020
615527859? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017111620171020
615698137? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017111620171020
616061185? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017111620171020
616217872? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017111620171020
630443425? ? ?? ? ?refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111620171020
631503257? ? ?? ? ?refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2017111620171020
664721292? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111620171020
665725899? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111620171020
665803503? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111620171020
667807295? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2017111620171020
699946522? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2017111620171020
700014404? ? ?? ? ?refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2017111620171020
2637459149? ? ?? ? ?refgcc2017111620171020
2643583145? ? ?? ? ?refcc2017111620171020
2644152134? ? ?? ? ?refgcc_-funroll-loops2017111620171020

Test failure

Implementation: crypto_sign/sphincs256/avx2
Compiler: cc
error 111

Number of similar (compiler,implementation) pairs: 117, namely:
CompilerImplementations
cc avx2
clang -O3 -fomit-frame-pointer -Qunused-arguments avx2
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments avx2
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments avx2
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments avx2
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx2
gcc avx2
gcc -O2 -fomit-frame-pointer avx2
gcc -O3 -fomit-frame-pointer avx2
gcc -O -fomit-frame-pointer avx2
gcc -Os -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O2 -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O3 -fomit-frame-pointer avx2
gcc -fno-schedule-insns -O -fomit-frame-pointer avx2
gcc -fno-schedule-insns -Os -fomit-frame-pointer avx2
gcc -funroll-loops avx2
gcc -funroll-loops -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -O -fomit-frame-pointer avx2
gcc -funroll-loops -Os -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer avx2
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer avx2
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer avx2
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer avx2
gcc -m64 -O2 -fomit-frame-pointer avx2
gcc -m64 -O3 -fomit-frame-pointer avx2
gcc -m64 -O -fomit-frame-pointer avx2
gcc -m64 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer avx2
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer avx2
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer avx2 ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer avx2 ref
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer avx2 ref
gcc -m64 -march=core2 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer avx2
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer avx2
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -O -fomit-frame-pointer avx2
gcc -m64 -march=corei7 -Os -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O2 -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O3 -fomit-frame-pointer avx2
gcc -m64 -march=k8 -O -fomit-frame-pointer avx2
gcc -m64 -march=k8 -Os -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer avx2
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O2 -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O3 -fomit-frame-pointer avx2
gcc -m64 -march=nocona -O -fomit-frame-pointer avx2
gcc -m64 -march=nocona -Os -fomit-frame-pointer avx2
gcc -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -march=barcelona -O -fomit-frame-pointer avx2
gcc -march=barcelona -Os -fomit-frame-pointer avx2
gcc -march=k8 -O2 -fomit-frame-pointer avx2
gcc -march=k8 -O3 -fomit-frame-pointer avx2
gcc -march=k8 -O -fomit-frame-pointer avx2
gcc -march=k8 -Os -fomit-frame-pointer avx2
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv avx2
gcc -march=nocona -O2 -fomit-frame-pointer avx2
gcc -march=nocona -O3 -fomit-frame-pointer avx2
gcc -march=nocona -O -fomit-frame-pointer avx2
gcc -march=nocona -Os -fomit-frame-pointer avx2

Test failure

Implementation: crypto_sign/sphincs256/avx2
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
error 111
error 111

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -O -fomit-frame-pointer avx2
gcc -m64 -march=barcelona -Os -fomit-frame-pointer avx2