Implementation notes: amd64, pmnod076, crypto_scalarmult/nistp256

Computer: pmnod076
Architecture: amd64
CPU ID: GenuineIntel-00050657-bfebfbff
SUPERCOP version: 20191017
Operation: crypto_scalarmult
Primitive: nistp256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
253127019376 30720 053556 31608 1576mj32icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer2019102320191017
253396820288 30720 055860 31608 1576mj32icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer2019102320191017
253971220416 30720 055956 31608 1576mj32icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer2019102320191017
254018620416 30720 055956 31608 1576mj32icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer2019102320191017
254321220416 30720 055956 31608 1576mj32icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer2019102320191017
254751420416 30720 055956 31608 1576mj32icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer2019102320191017
255197220288 30720 055860 31608 1576mj32icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer2019102320191017
255504220288 30720 055860 31608 1576mj32icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer2019102320191017
256002819320 30720 053556 31608 1576mj32icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer2019102320191017
262930820288 30720 055860 31608 1576mj32icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer2019102320191017
267573818720 30720 054796 31608 1608mj32icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer2019102320191017
269462818720 30720 054684 31608 1608mj32icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer2019102320191017
271904218832 30720 054260 31608 1576mj32icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer2019102320191017
273306818832 30720 054660 31608 1576mj32icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer2019102320191017
273412018832 30720 054660 31608 1576mj32icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer2019102320191017
273522618832 30720 054660 31608 1576mj32icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer2019102320191017
274020418832 30720 054660 31608 1576mj32icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer2019102320191017
274696818832 30720 054260 31608 1576mj32icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer2019102320191017
275155618832 30720 054260 31608 1576mj32icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer2019102320191017
275335018832 30720 054260 31608 1576mj32icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer2019102320191017
277798618112 30720 054716 31608 1608mj32icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer2019102320191017
278812818144 30720 054396 31608 1608mj32icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer2019102320191017
285904812736 30720 046557 31576 1608mj32gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102320191017
378148611013 30720 042285 31576 1608mj32gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102320191017
43932269972 30720 039261 31568 1608mj32gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102320191017
794856811252 30720 041605 31576 1608mj32gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE2019102320191017

Test failure

Implementation: mj32
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer
error 111
Number of similar (compiler,implementation) pairs: 2, namely:
CompilerImplementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer mj32
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer 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: 83 | 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: 78 | 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: 92 | 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: 87 | 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