Implementation notes: amd64, sliver, crypto_scalarmult/nistp256

Computer: sliver
Architecture: amd64
CPU ID: GenuineIntel-00040651-bfebfbff
SUPERCOP version: 20160731
Operation: crypto_scalarmult
Primitive: nistp256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
8381244	`mj32`	`clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments`	20160725	20160718
17614464	`mj32`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160725	20160718
17677794	`mj32`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160725	20160718
24056820	`mj32`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160725	20160718
24155532	`mj32`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160725	20160718

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments

gep256.c: gep256.c:83:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'crypto_uint32 (*)[8]') instead of 'gep256' (aka 'fe [3]') [-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:92:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'crypto_uint32 (*)[8]') instead of 'gep256_precomp' (aka 'fe [2]') [-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: ^
gep256.c: 2 warnings generated.
try.c: /tmp/try-anything-f9835b.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: /tmp/try-anything-b2e281.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

try.c: /tmp//ccgXvWxz.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: /tmp//ccQvo3tg.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv

try.c: /tmp//ccczSZvi.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: /tmp//cc9rBa8w.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv

try.c: /tmp//ccMS4dmX.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: /tmp//ccA4hrWd.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv

try.c: /tmp//ccgnR63b.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?
try.c: /tmp//ccR2LPXj.o: In function `alignedcalloc':
try.c: try-anything.c:(.text+0x...): warning: warning: random() may return deterministic values, is that what you want?

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	mj32