Implementation notes: amd64, gpu, crypto_kem/kindi256342

Computer: gpu
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_kem
Primitive: kindi256342
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1801842? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
1808853? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019101020190816
181362049736 0 068903 808 1568refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019101020190816
182342788069 0 0105871 808 1920refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
1882329? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019101020190816
1891590117070 0 0132951 808 1920refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019101020190816
1901514? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019101020190816
1905276? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019101020190816
192329488069 0 0105871 808 1920refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2019101020190816
1929207? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019101020190816
1942221? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019101020190816
1955706? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
1974579? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019101020190816
1983006? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
1983606? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019101020190816
1991040117070 0 0132951 808 1920refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019101020190816
1991247? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019101020190816
1994682? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
1995888? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019101020190816
2004024? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019101020190816
2004219? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019101020190816
2005428? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
2013165? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
2013261? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
2036394? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019101020190816
2037534? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019101020190816
2037822? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019101020190816
2039526? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019101020190816
204089150845 0 071335 808 1568refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
2044845? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019101020190816
2061423? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
2066976? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019101020190816
206811050845 0 071335 808 1568refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
2074050? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
2075211? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
2079810? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
2084301? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019101020190816
2087250? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019101020190816
2092092? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019101020190816
2118903? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019101020190816
2119710? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019101020190816
2120877? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
2129046? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019101020190816
2131599? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019101020190816
2132556? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019101020190816
2137338? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019101020190816
2141925? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019101020190816
2148039? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
2153493? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
2154633? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019101020190816
2157018? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019101020190816
2163111? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
216474050845 0 071335 808 1568refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
2168304? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019101020190816
2176761? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019101020190816
2181768? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019101020190816
2182422? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019101020190816
2191002? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
2191845? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019101020190816
2192505? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019101020190816
2197293? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
2197512? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019101020190816
2199165? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019101020190816
2205195? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
2212026? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019101020190816
2218005? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019101020190816
2218236? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019101020190816
2221272? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
2222670? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
2223480? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
2223969? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019101020190816
2224338? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019101020190816
2234097? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
2236152? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
2265015? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
2286987? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019101020190816
2293191? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019101020190816
2296725? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019101020190816
2309913? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019101020190816
2318757? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019101020190816
2321982? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019101020190816
2322291? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019101020190816
2327106? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019101020190816
2365788? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019101020190816
2371890? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019101020190816
2394261? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019101020190816
2417661? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019101020190816
2418336? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019101020190816
2427642? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019101020190816
2439858? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
2444511? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019101020190816
2457930? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019101020190816
2461011? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019101020190816
2468736? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019101020190816
2472324? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
2482368? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019101020190816
2489997? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
2496120? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
2497701? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019101020190816
2520645? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019101020190816
2520807? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019101020190816
2549439? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019101020190816
2558676? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019101020190816
2561850? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019101020190816
2563854? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019101020190816
2568786? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019101020190816
2569092? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019101020190816
2577396? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019101020190816
2648160? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019101020190816
2675808? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019101020190816
2719956? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019101020190816
2722200? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019101020190816
10178274? ? ?? ? ?refcc2019101020190816
10213167? ? ?? ? ?refgcc_-funroll-loops2019101020190816
10459542? ? ?? ? ?refgcc2019101020190816

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