Implementation notes: amd64, par, crypto_dh/ed521gs

Computer: par
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20161026
Operation: crypto_dh
Primitive: ed521gs

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
14892520	`ref`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
14966260	`ref`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
16850620	`ref`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
16954240	`ref`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
17020180	`ref`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
17049720	`ref`	`gcc -march=native -mcpu=native -O3`	20161214	20161026

Compiler output

Implementation: crypto_dh/ed521gs/ref
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

dh.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
dh.c: dh.c: In function 'crypto_dh_ed521gs_ref_keypair':
dh.c: dh.c:771:2: warning: implicit declaration of function 'randombytes' [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^~~~~~~~~~~
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	ref
gcc -funroll-loops -march=native -mcpu=native -O3	ref
gcc -funroll-loops -march=native -mcpu=native -Os	ref
gcc -march=native -mcpu=native -O2	ref
gcc -march=native -mcpu=native -O3	ref
gcc -march=native -mcpu=native -Os	ref