Implementation notes: amd64, pluton1mn, crypto_scalarmult/nistp256

Computer: pluton1mn
Architecture: amd64
CPU ID: GenuineIntel-00050671-bfebfbff
SUPERCOP version: 20160806
Operation: crypto_scalarmult
Primitive: nistp256
TimeImplementationCompilerBenchmark dateSUPERCOP version
4659032mj32icc -xMIC-AVX512 -O3 -fomit-frame-pointer2016080620160731
4792284mj32icc -xMIC-AVX512 -O2 -fomit-frame-pointer2016080620160731
5404980mj32gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2016080620160731
8749468mj32gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2016080620160731
9457014mj32gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2016080620160731
15510768mj32gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2016080620160731

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv
gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: static int isneutral(gep256 p) {
gep256.c: ^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8] {aka unsigned int (*)[8]}' [-Wsizeof-array-argument]
gep256.c: for (i = 0; i gep256.c: ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: static int isneutral_precomp(gep256_precomp p) {
gep256.c: ^
Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv mj32
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv mj32
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv mj32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv mj32