Implementation notes: amd64, gpu, crypto_sign/qtesla3f

Computer: gpu
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_sign
Primitive: qtesla3f
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
1775289? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019090920190816
1783640? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
2529414? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019090920190816
2682714? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019090920190816
2885130? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019090920190816
2960322? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019090920190816
3016764? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
3038176? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019090920190816
3064332? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
3072732? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019090920190816
3091974? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019090920190816
3108208? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019090920190816
3120003? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
3146288? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019090920190816
3177372? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019090920190816
3197682? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
3220752? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019090920190816
3237700? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019090920190816
3244168? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019090920190816
3272436? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019090920190816
3304024? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019090920190816
3395241? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
3398523? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019090920190816
3399196? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019090920190816
341307348491 0 069205 784 1944refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
3427098? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
345008446992 0 066933 784 1944refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019090920190816
3458067? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019090920190816
353786448491 0 069205 784 1944refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2019090920190816
3552498? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019090920190816
3573308? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
3636932? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
3671766? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
3678159? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
3733464? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019090920190816
3733563? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
3807792? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019090920190816
381198346992 0 066933 784 1944refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019090920190816
3815343? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019090920190816
389332437629 0 061237 784 1592refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
3900860? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019090920190816
3902097? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
392447237442 0 059693 784 1592refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019090920190816
3924716? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019090920190816
3982845? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019090920190816
3983682? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019090920190816
4015212? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019090920190816
4017261? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019090920190816
4050348? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019090920190816
405762837629 0 061237 784 1592refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
4067220? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
4069288? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
4075665? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
412291237629 0 061237 784 1592refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019090920190816
4161800? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019090920190816
4176272? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
4188768? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019090920190816
4196140? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019090920190816
4203248? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019090920190816
4213278? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
4217046? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
4221135? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
4223552? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019090920190816
4230956? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
4275944? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019090920190816
4302282? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
4305249? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
4319736? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019090920190816
4321572? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019090920190816
4361103? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
4370994? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
4372396? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019090920190816
4373624? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019090920190816
4382304? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019090920190816
4393284? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019090920190816
4416116? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019090920190816
4423460? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019090920190816
4439368? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019090920190816
4451751? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019090920190816
4455224? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019090920190816
4464741? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019090920190816
4466829? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
4477014? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019090920190816
4505980? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019090920190816
4515870? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019090920190816
4520793? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
4569524? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019090920190816
4577104? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019090920190816
4592244? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
4599441? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
4627764? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019090920190816
4633224? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019090920190816
4646668? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019090920190816
4648568? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019090920190816
4668440? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019090920190816
4669676? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019090920190816
4706119? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019090920190816
4753812? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019090920190816
4766019? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019090920190816
4769454? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019090920190816
4780328? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019090920190816
4836040? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019090920190816
4879131? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019090920190816
4917867? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019090920190816
4960696? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019090920190816
5023287? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
5080674? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019090920190816
5091868? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019090920190816
5137476? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019090920190816
5184772? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019090920190816
5274460? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019090920190816
5423364? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019090920190816
13940385? ? ?? ? ?refcc2019090920190816
14505656? ? ?? ? ?refgcc_-funroll-loops2019090920190816
15011951? ? ?? ? ?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