Implementation notes: amd64, genji291, crypto_aead/pi64cipher128v1

Computer: genji291
Architecture: amd64
CPU ID: GenuineIntel-00050671-bfebfbff
SUPERCOP version: 20180818
Operation: crypto_aead
Primitive: pi64cipher128v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
164584	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xMIC-AVX512_-O2_-fomit-frame-pointer`	20180820	20180818
166194	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCOMMON-AVX512_-O2_-fomit-frame-pointer`	20180820	20180818
167104	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCOMMON-AVX512_-O3_-fomit-frame-pointer`	20180820	20180818
168826	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCORE-AVX2_-O3_-fomit-frame-pointer`	20180820	20180818
171276	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xMIC-AVX512_-O3_-fomit-frame-pointer`	20180820	20180818
172746	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCORE-AVX2_-O2_-fomit-frame-pointer`	20180820	20180818
174958	? ? ?	? ? ?	`ref`	`icc_-xMIC-AVX512_-O3_-fomit-frame-pointer`	20180820	20180818
177702	? ? ?	? ? ?	`ref`	`icc_-xCORE-AVX2_-O3_-fomit-frame-pointer`	20180820	20180818
177758	? ? ?	? ? ?	`ref`	`icc_-xCOMMON-AVX512_-O3_-fomit-frame-pointer`	20180820	20180818
186018	? ? ?	? ? ?	`ref`	`icc_-xMIC-AVX512_-O2_-fomit-frame-pointer`	20180820	20180818
187222	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xSSE4.2_-O2_-fomit-frame-pointer`	20180820	20180818
187922	? ? ?	? ? ?	`ref`	`icc_-xCOMMON-AVX512_-O2_-fomit-frame-pointer`	20180820	20180818
188048	? ? ?	? ? ?	`ref`	`icc_-xCORE-AVX2_-O2_-fomit-frame-pointer`	20180820	20180818
191492	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xSSE4.2_-O3_-fomit-frame-pointer`	20180820	20180818
192458	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xSSE4.1_-O3_-fomit-frame-pointer`	20180820	20180818
197358	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xSSE4.1_-O2_-fomit-frame-pointer`	20180820	20180818
209818	? ? ?	? ? ?	`ref`	`icc_-xSSE4.1_-O3_-fomit-frame-pointer`	20180820	20180818
212548	? ? ?	? ? ?	`ref`	`icc_-xSSE4.2_-O3_-fomit-frame-pointer`	20180820	20180818
217812	? ? ?	? ? ?	`ref`	`icc_-xSSE4.1_-O2_-fomit-frame-pointer`	20180820	20180818
219170	? ? ?	? ? ?	`ref`	`icc_-xSSE4.2_-O2_-fomit-frame-pointer`	20180820	20180818
478184	? ? ?	? ? ?	`optimized_nonSSE`	`icc`	20180820	20180818
478632	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-no-vec`	20180820	20180818
481768	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xAVX_-O2_-fomit-frame-pointer`	20180820	20180818
484022	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xAVX_-O3_-fomit-frame-pointer`	20180820	20180818
487774	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCORE-AVX-I_-O3_-fomit-frame-pointer`	20180820	20180818
487970	? ? ?	? ? ?	`optimized_nonSSE`	`icc_-xCORE-AVX-I_-O2_-fomit-frame-pointer`	20180820	20180818
594566	? ? ?	? ? ?	`ref`	`icc_-xCORE-AVX-I_-O3_-fomit-frame-pointer`	20180820	20180818
594636	? ? ?	? ? ?	`ref`	`icc`	20180820	20180818
594636	? ? ?	? ? ?	`ref`	`icc_-xCORE-AVX-I_-O2_-fomit-frame-pointer`	20180820	20180818
596162	? ? ?	? ? ?	`ref`	`icc_-no-vec`	20180820	20180818
598430	? ? ?	? ? ?	`ref`	`icc_-xAVX_-O2_-fomit-frame-pointer`	20180820	20180818
656698	? ? ?	? ? ?	`ref`	`icc_-xAVX_-O3_-fomit-frame-pointer`	20180820	20180818
1305318	? ? ?	? ? ?	`optimized_nonSSE`	`cc`	20180820	20180818
1749482	? ? ?	? ? ?	`ref`	`cc`	20180820	20180818

Test failure

Implementation: optimized_nonSSE
Security model: unknown
Compiler: gcc

error 111
crypto_aead_decrypt returns nonzero

Number of similar (compiler,implementation) pairs: 212, namely:

Compiler	Implementations
gcc	optimized_nonSSE
gcc -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -O -fomit-frame-pointer	optimized_nonSSE
gcc -Os -fomit-frame-pointer	optimized_nonSSE
gcc -fno-schedule-insns -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -fno-schedule-insns -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -fno-schedule-insns -O -fomit-frame-pointer	optimized_nonSSE
gcc -fno-schedule-insns -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops	optimized_nonSSE
gcc -funroll-loops -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer	optimized_nonSSE
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=corei7 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=k8 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=k8 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=k8 -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=k8 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=nocona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=nocona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=nocona -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=nocona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -march=barcelona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -march=barcelona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -march=barcelona -O -fomit-frame-pointer	optimized_nonSSE
gcc -march=barcelona -Os -fomit-frame-pointer	optimized_nonSSE
gcc -march=k8 -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -march=k8 -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -march=k8 -O -fomit-frame-pointer	optimized_nonSSE
gcc -march=k8 -Os -fomit-frame-pointer	optimized_nonSSE
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	optimized_nonSSE
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	optimized_nonSSE
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	optimized_nonSSE
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	optimized_nonSSE
gcc -march=nocona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -march=nocona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -march=nocona -O -fomit-frame-pointer	optimized_nonSSE
gcc -march=nocona -Os -fomit-frame-pointer	optimized_nonSSE
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=core-avx2 -O2 -fomit-frame-pointer	ref
gcc -m64 -march=core-avx2 -O3 -fomit-frame-pointer	ref
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer	ref
gcc -m64 -march=core-avx2 -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

Test failure

Implementation: optimized_nonSSE
Security model: unknown
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

error 111
crypto_aead_decrypt returns nonzero
error 111
crypto_aead_decrypt returns nonzero

Number of similar (compiler,implementation) pairs: 8, namely:

Compiler	Implementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=barcelona -O -fomit-frame-pointer	optimized_nonSSE
gcc -m64 -march=barcelona -Os -fomit-frame-pointer	optimized_nonSSE
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