Implementation notes: amd64, gpu, crypto_sign/qtesla1p

Computer: gpu
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_sign
Primitive: qtesla1p
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
2830632? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019090920190816
321864347023 0 070693 784 1592refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
326816447023 0 070693 784 1592refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
3321222? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019090920190816
3596460? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
3822969? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019090920190816
3847668? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019090920190816
4117276? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019090920190816
4381869? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
4440696? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019090920190816
4545465? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019090920190816
4563555? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019090920190816
4728792? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019090920190816
4736709? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
4743468? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
475003260122 0 080965 784 1944refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2019090920190816
4752561? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
4763692? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019090920190816
4765492? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019090920190816
4784448? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019090920190816
4791453? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019090920190816
4794848? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
4849592? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019090920190816
4891533? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
4900148? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
5060187? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
5102775? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
5159748? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019090920190816
5171043? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019090920190816
517668060122 0 080965 784 1944refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
5203556? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019090920190816
5247280? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019090920190816
5250016? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
5284436? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
5293972? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019090920190816
5333165? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019090920190816
534002058751 0 078821 784 1944refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019090920190816
5430534? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019090920190816
5564760? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
5574516? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019090920190816
5617291? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
5683539? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019090920190816
5732024? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019090920190816
5768349? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
5847255? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019090920190816
5865220? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
587546458751 0 078821 784 1944refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019090920190816
5904135? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
5906192? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019090920190816
591684446260 0 068637 784 1592refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019090920190816
5941416? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019090920190816
5942481? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019090920190816
5968323? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019090920190816
599341247023 0 070693 784 1592refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
5998244? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
6014883? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
6022848? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019090920190816
6052644? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019090920190816
6054920? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
6101970? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
6117997? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
6125070? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
6138918? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019090920190816
6154352? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
6159183? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
6183462? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
6213912? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019090920190816
6232308? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019090920190816
6250899? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019090920190816
6251577? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
6255016? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019090920190816
6280916? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019090920190816
6323712? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
6356088? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019090920190816
6359454? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019090920190816
6374031? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
6389370? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019090920190816
6394964? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019090920190816
6408957? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
6410700? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
6429510? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
6433377? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
6459428? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019090920190816
6464324? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019090920190816
6482212? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019090920190816
6529129? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019090920190816
6553648? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
6558876? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
6575256? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019090920190816
6590049? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019090920190816
6614124? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019090920190816
6648510? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
6664743? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019090920190816
6700084? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
6705960? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019090920190816
6800704? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019090920190816
6804036? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
6900843? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019090920190816
6987648? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
6993480? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019090920190816
7109715? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
7203036? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019090920190816
7214548? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019090920190816
7358132? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
7381984? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019090920190816
7490829? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
7499770? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
7556016? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019090920190816
7559727? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
7629536? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
8184948? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
8826021? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019090920190816
20353017? ? ?? ? ?refgcc2019090920190816
20837424? ? ?? ? ?refcc2019090920190816
21347188? ? ?? ? ?refgcc_-funroll-loops2019090920190816

Test failure

Implementation: ref
Security model: unknown
Compiler: gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: cc
measure.c: /usr/bin/ld: /home/z/supercop/supercop-20190816/supercop-data/gpu/amd64/lib/fastrandombytes.o: relocation R_X86_64_32 against `.bss' can not be used when making a PIE object; recompile with -fPIC
measure.c: /usr/bin/ld: final link failed: Nonrepresentable section on output
measure.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 103, namely:
CompilerImplementations
cc ref
gcc ref
gcc -O2 -fomit-frame-pointer ref
gcc -O3 -fomit-frame-pointer ref
gcc -O -fomit-frame-pointer ref
gcc -Os -fomit-frame-pointer ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops ref
gcc -funroll-loops -O2 -fomit-frame-pointer ref
gcc -funroll-loops -O3 -fomit-frame-pointer ref
gcc -funroll-loops -O -fomit-frame-pointer ref
gcc -funroll-loops -Os -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer ref
gcc -m64 -O2 -fomit-frame-pointer ref
gcc -m64 -O3 -fomit-frame-pointer ref
gcc -m64 -O -fomit-frame-pointer ref
gcc -m64 -Os -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer ref
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer ref
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -march=barcelona -O2 -fomit-frame-pointer ref
gcc -march=barcelona -O3 -fomit-frame-pointer ref
gcc -march=barcelona -O -fomit-frame-pointer ref
gcc -march=barcelona -Os -fomit-frame-pointer ref
gcc -march=k8 -O2 -fomit-frame-pointer ref
gcc -march=k8 -O3 -fomit-frame-pointer ref
gcc -march=k8 -O -fomit-frame-pointer ref
gcc -march=k8 -Os -fomit-frame-pointer ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv ref
gcc -march=nocona -O2 -fomit-frame-pointer ref
gcc -march=nocona -O3 -fomit-frame-pointer ref
gcc -march=nocona -O -fomit-frame-pointer ref
gcc -march=nocona -Os -fomit-frame-pointer ref

Compiler output

Implementation: ref
Security model: unknown
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
measure.c: /usr/bin/ld: /home/z/supercop/supercop-20190816/supercop-data/gpu/amd64/lib/fastrandombytes.o: relocation R_X86_64_32 against `.bss' can not be used when making a PIE object; recompile with -fPIC
measure.c: /usr/bin/ld: final link failed: Nonrepresentable section on output
measure.c: collect2: error: ld returned 1 exit status
measure.c: /usr/bin/ld: /home/z/supercop/supercop-20190816/supercop-data/gpu/amd64/lib/fastrandombytes.o: relocation R_X86_64_32 against `.bss' can not be used when making a PIE object; recompile with -fPIC
measure.c: /usr/bin/ld: final link failed: Nonrepresentable section on output
measure.c: collect2: error: ld returned 1 exit status

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