Implementation notes: aarch64, jetsontx1, crypto_scalarmult/nistp256

Computer: jetsontx1
Architecture: aarch64
CPU ID: unknown CPU ID
SUPERCOP version: 20191017
Operation: crypto_scalarmult
Primitive: nistp256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
322985410892 30720 029375 31520 1584mj32gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019101720190910
40477899948 30720 026129 31488 1552mj32clang_-mcpu=native_-march=armv8a+crypto_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019101720190910
40528949948 30720 026129 31488 1552mj32clang_-mcpu=native_-march=armv8a+crypto_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019101720190910
406583611056 30720 028687 31536 1552mj32armclang_-march=armv8a+crypto_-mcpu=cortex-a57_-mtune=cortex-a57_-O2_-fPIC_-fPIE2019101720190910
406825114908 30720 032881 31488 1568mj32clang_-mcpu=native_-march=armv8a+crypto_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019101720190910
407390016000 30720 035399 31536 1568mj32armclang_-march=armv8a+crypto_-mcpu=cortex-a57_-mtune=cortex-a57_-O3_-fPIC_-fPIE2019101720190910
60875757512 30720 021783 31480 1552mj32clang_-mcpu=native_-march=armv8a+crypto_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE2019101720190910
63588389900 30720 027223 31512 1568mj32gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019101720190910
74436069272 30720 024355 31496 1552mj32gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019101720190910
1293184910964 30720 026999 31512 1568mj32gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019101720190910

Compiler output

Implementation: mj32
Security model: unknown
Compiler: armclang -march=armv8a+crypto -mcpu=cortex-a57 -mtune=cortex-a57 -O2 -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: 6, namely:
CompilerImplementations
armclang -march=armv8a+crypto -mcpu=cortex-a57 -mtune=cortex-a57 -O2 -fPIC -fPIE mj32
armclang -march=armv8a+crypto -mcpu=cortex-a57 -mtune=cortex-a57 -O3 -fPIC -fPIE mj32
clang -mcpu=native -march=armv8a+crypto -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE mj32
clang -mcpu=native -march=armv8a+crypto -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE mj32
clang -mcpu=native -march=armv8a+crypto -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE mj32
clang -mcpu=native -march=armv8a+crypto -Os -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:
CompilerImplementations
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