Implementation notes: amd64, gpu, crypto_sign/qtesla1

Computer: gpu
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_sign
Primitive: qtesla1
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1181184? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
1235432? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
1340404? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019090920190816
1372068? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
140028840639 0 060589 784 1944refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019090920190816
140349631298 0 053541 784 1592refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019090920190816
1542420? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
1546260? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
1556140? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
1565720? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
1584484? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
1603464? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019090920190816
1623105? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019090920190816
1668516? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
1684428? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
1702012? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019090920190816
1715380? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
1745088? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
1755976? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019090920190816
1816872? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
1938300? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
1941148? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019090920190816
2035558? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019090920190816
2094840? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019090920190816
2105331? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019090920190816
2106870? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019090920190816
2109510? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
2117790? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
2131524? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
2134257? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
2140365? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019090920190816
2155641? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019090920190816
2159455? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
2165920? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019090920190816
2188888? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019090920190816
2204100? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
2207692? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019090920190816
2208200? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019090920190816
2215604? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019090920190816
2236492? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019090920190816
2254388? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019090920190816
2277304? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019090920190816
227845542141 0 062829 784 1944refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2019090920190816
228263742141 0 062829 784 1944refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
2394810? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
2403300? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
2403816? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
2432715? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019090920190816
243627940639 0 060589 784 1944refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019090920190816
2481556? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019090920190816
248548531262 0 054861 784 1592refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
251186831262 0 054861 784 1592refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
255029831262 0 054861 784 1592refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
2760834? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
2761338? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019090920190816
2792511? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019090920190816
2795559? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
2800352? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
2801943? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
2809932? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019090920190816
2817486? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019090920190816
2832064? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
2837688? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019090920190816
2840444? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
2847440? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019090920190816
2847612? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
2867668? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019090920190816
2870408? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019090920190816
2896710? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019090920190816
2897120? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019090920190816
2899856? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019090920190816
2900104? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019090920190816
2902052? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019090920190816
2907618? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019090920190816
2914075? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019090920190816
2916396? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
2924028? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
2930421? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
2940906? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
2944806? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
2948871? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
2949945? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
2952387? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
2979220? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019090920190816
2992164? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019090920190816
2992299? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019090920190816
3007468? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019090920190816
3027291? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019090920190816
3035996? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019090920190816
3037652? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
3043680? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
3045972? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019090920190816
3086193? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019090920190816
3088887? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
3101061? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
3108996? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019090920190816
3112836? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
3119808? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019090920190816
3181467? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019090920190816
3221559? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019090920190816
3240564? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019090920190816
3241996? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019090920190816
3246356? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019090920190816
3247508? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019090920190816
3256880? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019090920190816
3266948? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019090920190816
3272756? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019090920190816
3305349? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019090920190816
3307836? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019090920190816
3451320? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
3452784? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
3750872? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
5975992? ? ?? ? ?refgcc_-funroll-loops2019090920190816
5986260? ? ?? ? ?refcc2019090920190816
9162096? ? ?? ? ?refgcc2019090920190816

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