Implementation notes: amd64, gpu, crypto_kem/kindi256522

Computer: gpu
Architecture: amd64
CPU ID: GenuineIntel-000206d7-bfebfbff
SUPERCOP version: 20190816
Operation: crypto_kem
Primitive: kindi256522
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
3293370? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2019101020190816
431229685095 0 0102791 808 1920refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2019101020190816
439484185095 0 0102791 808 1920refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
4399281? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2019101020190816
4448970? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2019101020190816
4478907? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2019101020190816
4493391? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2019101020190816
4498287? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2019101020190816
4507479124698 0 0140415 808 1920refclang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2019101020190816
457110651675 0 070695 808 1568refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2019101020190816
4579203? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2019101020190816
4583436? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2019101020190816
4593240? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2019101020190816
4604487? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
4609878? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
4631883124698 0 0140415 808 1920refclang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2019101020190816
4635798? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
4662069? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
4665870? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2019101020190816
4666218? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2019101020190816
4670712? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
4684254? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
4687371? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2019101020190816
4708944? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2019101020190816
4732548? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
4778502? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2019101020190816
4785573? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2019101020190816
4808271? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2019101020190816
4810185? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
4817286? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2019101020190816
4818384? ? ?? ? ?refgcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2019101020190816
4820682? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2019101020190816
486569151278 0 071583 808 1568refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
4870164? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2019101020190816
4882884? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
4907073? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
4910835? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2019101020190816
4916208? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2019101020190816
4927530? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2019101020190816
4931319? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2019101020190816
4949760? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2019101020190816
4979604? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2019101020190816
4987848? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2019101020190816
5014536? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2019101020190816
501456951278 0 071583 808 1568refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
5020917? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
5033598? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2019101020190816
5042877? ? ?? ? ?refgcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2019101020190816
5045409? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2019101020190816
5057859? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
5058186? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2019101020190816
5072058? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2019101020190816
5088156? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
5092617? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
5104797? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2019101020190816
510607851278 0 071583 808 1568refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2019101020190816
5119881? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
5128035? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2019101020190816
5135562? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2019101020190816
5138979? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
5141754? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2019101020190816
5144889? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2019101020190816
5145639? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2019101020190816
5151165? ? ?? ? ?refgcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2019101020190816
5187633? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
5214153? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2019101020190816
5226885? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2019101020190816
5228877? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2019101020190816
5231895? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2019101020190816
5234793? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2019101020190816
5234949? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2019101020190816
5243376? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2019101020190816
5253345? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
5255610? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2019101020190816
5334210? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2019101020190816
5343630? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2019101020190816
5370357? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2019101020190816
5407104? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2019101020190816
5445153? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2019101020190816
5469594? ? ?? ? ?refgcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2019101020190816
5506062? ? ?? ? ?refgcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2019101020190816
5509011? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2019101020190816
5524677? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2019101020190816
5567139? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2019101020190816
5586474? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2019101020190816
5625900? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2019101020190816
5631939? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2019101020190816
5661624? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
5688453? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2019101020190816
5720205? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
5739345? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2019101020190816
5746329? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
5747043? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2019101020190816
5747250? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2019101020190816
5768322? ? ?? ? ?refgcc_-m64_-march=corei7_-O_-fomit-frame-pointer2019101020190816
5783430? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2019101020190816
5786268? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2019101020190816
5787801? ? ?? ? ?refgcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2019101020190816
5825358? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2019101020190816
5826849? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2019101020190816
5837985? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2019101020190816
5905161? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2019101020190816
5931018? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2019101020190816
5936208? ? ?? ? ?refgcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2019101020190816
5991681? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2019101020190816
6027510? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2019101020190816
6085134? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2019101020190816
6184140? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2019101020190816
6289386? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2019101020190816
6325443? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2019101020190816
6334467? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2019101020190816
6348849? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2019101020190816
23076957? ? ?? ? ?refgcc_-funroll-loops2019101020190816
23189388? ? ?? ? ?refgcc2019101020190816
24066342? ? ?? ? ?refcc2019101020190816

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