Implementation notes: amd64, par, crypto_hash/essence256

Computer: par
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20161026
Operation: crypto_hash
Primitive: essence256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
117240	`gcc`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
120300	`gcc`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
123920	`gcc`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
159580	`gcc`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
159740	`gcc`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
171760	`gcc`	`gcc -march=native -mcpu=native -O2`	20161214	20161026

Compiler output

Implementation: crypto_hash/essence256/gcc
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

essence_L_tables.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
essence_api.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
essence_compress_256.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
essence_compress_256_dual.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
essence_compress_512.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
hash.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	gcc
gcc -funroll-loops -march=native -mcpu=native -O3	gcc
gcc -funroll-loops -march=native -mcpu=native -Os	gcc
gcc -march=native -mcpu=native -O2	gcc
gcc -march=native -mcpu=native -O3	gcc
gcc -march=native -mcpu=native -Os	gcc