Implementation notes: amd64, h4atom, crypto_dh/nist521gs

Computer: h4atom
Architecture: amd64
CPU ID: GenuineIntel-000106ca-bfe9fbff
SUPERCOP version: 20160806
Operation: crypto_dh
Primitive: nist521gs
TimeImplementationCompilerBenchmark dateSUPERCOP version
32444056refclang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2016081420160806
33746368refgcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2016081420160806
34216648refgcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2016081420160806
35385168refgcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2016081420160806
65544400refgcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2016081420160806

Compiler output

Implementation: crypto_dh/nist521gs/ref
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments
dh.c: dh.c:831:2: warning: implicit declaration of function 'randombytes' is invalid in C99 [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^
dh.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref

Compiler output

Implementation: crypto_dh/nist521gs/ref
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv
dh.c: dh.c: In function 'crypto_dh_nist521gs_ref_keypair':
dh.c: dh.c:831:2: warning: implicit declaration of function 'randombytes' [-Wimplicit-function-declaration]
dh.c: randombytes(sk,PANES-1);
dh.c: ^

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
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