Implementation notes: armeabi, rpi3b, crypto_scalarmult/nistp256

Computer: rpi3b
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20191221
Operation: crypto_scalarmult
Primitive: nistp256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
12354083	14608 30720 0	34385 31148 1520	`mj32`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
19447760	16060 30720 0	35343 31144 1504	`mj32`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
23384911	10520 30720 0	26395 31136 1496	`mj32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
24215974	12764 30720 0	29563 31144 1504	`mj32`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
32672216	13248 30720 0	29939 31144 1504	`mj32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221

Compiler output

Implementation: mj32
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

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 < sizeof p; ++i) x |= ((unsigned char *)p)[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 < sizeof p; ++i) x |= ((unsigned char *)p)[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.

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	mj32

Compiler output

Implementation: mj32
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

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 < sizeof p; ++i) x |= ((unsigned char *)p)[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 < sizeof p; ++i) x |= ((unsigned char *)p)[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:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	mj32
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	mj32
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	mj32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	mj32