Implementation notes: amd64, hobbes, crypto_scalarmult/nistp256

Computer: hobbes
Architecture: amd64
CPU ID: AuthenticAMD-00600f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_scalarmult
Primitive: nistp256
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
4898653? ? ?? ? ?mj32clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111320171020
4905193? ? ?? ? ?mj32clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111320171020
4910852? ? ?? ? ?mj32clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111320171020
4992701? ? ?? ? ?mj32clang_-O3_-fomit-frame-pointer_-Qunused-arguments2017111320171020
5206469? ? ?? ? ?mj32gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017111320171020
5278276? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017111320171020
5400851? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017111320171020
5402130? ? ?? ? ?mj32gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017111320171020
5409888? ? ?? ? ?mj32gcc_-funroll-loops_-O2_-fomit-frame-pointer2017111320171020
5413887? ? ?? ? ?mj32gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017111320171020
5437215? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017111320171020
5456947? ? ?? ? ?mj32gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017111320171020
5459873? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017111320171020
5464618? ? ?? ? ?mj32gcc_-march=nocona_-O3_-fomit-frame-pointer2017111320171020
5470258? ? ?? ? ?mj32gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017111320171020
5501372? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017111320171020
5547957? ? ?? ? ?mj32gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017111320171020
5559218? ? ?? ? ?mj32gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017111320171020
5566731? ? ?? ? ?mj32gcc_-march=barcelona_-O3_-fomit-frame-pointer2017111320171020
5567090? ? ?? ? ?mj32gcc_-march=k8_-O3_-fomit-frame-pointer2017111320171020
5578538? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017111320171020
5581205? ? ?? ? ?mj32gcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017111320171020
5591868? ? ?? ? ?mj32gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017111320171020
5598564? ? ?? ? ?mj32gcc_-funroll-loops_-O3_-fomit-frame-pointer2017111320171020
5608421? ? ?? ? ?mj32gcc_-m64_-O3_-fomit-frame-pointer2017111320171020
5613365? ? ?? ? ?mj32clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017111320171020
5618463? ? ?? ? ?mj32clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2017111320171020
5619981? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4_-O3_-fomit-frame-pointer2017111320171020
5620414? ? ?? ? ?mj32gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017111320171020
5620744? ? ?? ? ?mj32gcc_-O3_-fomit-frame-pointer2017111320171020
5621362? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4.1_-O3_-fomit-frame-pointer2017111320171020
5627295? ? ?? ? ?mj32gcc_-m64_-march=corei7_-O3_-fomit-frame-pointer2017111320171020
5639068? ? ?? ? ?mj32gcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017111320171020
5639776? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017111320171020
5645350? ? ?? ? ?mj32gcc_-m64_-march=corei7-avx_-O3_-fomit-frame-pointer2017111320171020
5652281? ? ?? ? ?mj32gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017111320171020
5670500? ? ?? ? ?mj32clang_-O3_-fwrapv_-mavx_-maes_-mpclmul_-fomit-frame-pointer_-Qunused-arguments2017111320171020
5670705? ? ?? ? ?mj32clang_-O3_-fwrapv_-mavx_-fomit-frame-pointer_-Qunused-arguments2017111320171020
5673478? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017111320171020
5719689? ? ?? ? ?mj32gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017111320171020
5742777? ? ?? ? ?mj32gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017111320171020
5748798? ? ?? ? ?mj32gcc_-m64_-march=core-avx-i_-O3_-fomit-frame-pointer2017111320171020
5768704? ? ?? ? ?mj32gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017111320171020
6533058? ? ?? ? ?mj32gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017111320171020
6638983? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017111320171020
6665999? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017111320171020
6668473? ? ?? ? ?mj32gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017111320171020
6745224? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017111320171020
6752705? ? ?? ? ?mj32gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017111320171020
6806751? ? ?? ? ?mj32gcc_-funroll-loops_-O_-fomit-frame-pointer2017111320171020
6829720? ? ?? ? ?mj32gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017111320171020
6914524? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017111320171020
8194025? ? ?? ? ?mj32gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017111320171020
8251925? ? ?? ? ?mj32gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017111320171020
8273059? ? ?? ? ?mj32gcc_-march=barcelona_-O2_-fomit-frame-pointer2017111320171020
8280496? ? ?? ? ?mj32gcc_-march=nocona_-O2_-fomit-frame-pointer2017111320171020
8308299? ? ?? ? ?mj32gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017111320171020
8320229? ? ?? ? ?mj32gcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017111320171020
8329430? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4_-O2_-fomit-frame-pointer2017111320171020
8331280? ? ?? ? ?mj32gcc_-march=k8_-O2_-fomit-frame-pointer2017111320171020
8336897? ? ?? ? ?mj32gcc_-m64_-march=corei7-avx_-O2_-fomit-frame-pointer2017111320171020
8341163? ? ?? ? ?mj32gcc_-m64_-march=corei7_-O2_-fomit-frame-pointer2017111320171020
8344143? ? ?? ? ?mj32gcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017111320171020
8352588? ? ?? ? ?mj32gcc_-O2_-fomit-frame-pointer2017111320171020
8353849? ? ?? ? ?mj32gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017111320171020
8360469? ? ?? ? ?mj32gcc_-m64_-O2_-fomit-frame-pointer2017111320171020
8363476? ? ?? ? ?mj32gcc_-m64_-march=core-avx-i_-O2_-fomit-frame-pointer2017111320171020
8366820? ? ?? ? ?mj32gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017111320171020
8433809? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4.1_-O2_-fomit-frame-pointer2017111320171020
8816297? ? ?? ? ?mj32gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017111320171020
8816317? ? ?? ? ?mj32gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017111320171020
8821832? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4.1_-Os_-fomit-frame-pointer2017111320171020
8832665? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4_-Os_-fomit-frame-pointer2017111320171020
8876321? ? ?? ? ?mj32gcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017111320171020
8885035? ? ?? ? ?mj32gcc_-march=barcelona_-Os_-fomit-frame-pointer2017111320171020
8928167? ? ?? ? ?mj32gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017111320171020
8955055? ? ?? ? ?mj32gcc_-m64_-Os_-fomit-frame-pointer2017111320171020
8958012? ? ?? ? ?mj32gcc_-m64_-march=corei7_-Os_-fomit-frame-pointer2017111320171020
8958579? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017111320171020
8965873? ? ?? ? ?mj32gcc_-Os_-fomit-frame-pointer2017111320171020
8968566? ? ?? ? ?mj32gcc_-march=k8_-Os_-fomit-frame-pointer2017111320171020
8975886? ? ?? ? ?mj32gcc_-m64_-march=corei7-avx_-Os_-fomit-frame-pointer2017111320171020
8983030? ? ?? ? ?mj32gcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017111320171020
9012170? ? ?? ? ?mj32gcc_-m64_-march=core-avx-i_-Os_-fomit-frame-pointer2017111320171020
9012327? ? ?? ? ?mj32gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017111320171020
9042363? ? ?? ? ?mj32gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017111320171020
9056228? ? ?? ? ?mj32gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017111320171020
9082520? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017111320171020
9124095? ? ?? ? ?mj32gcc_-funroll-loops_-Os_-fomit-frame-pointer2017111320171020
9197190? ? ?? ? ?mj32gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017111320171020
9219789? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017111320171020
9270047? ? ?? ? ?mj32gcc_-march=nocona_-Os_-fomit-frame-pointer2017111320171020
9297360? ? ?? ? ?mj32gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017111320171020
9434725? ? ?? ? ?mj32gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017111320171020
9476541? ? ?? ? ?mj32gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017111320171020
13571105? ? ?? ? ?mj32gcc_-m64_-march=k8_-O_-fomit-frame-pointer2017111320171020
13669772? ? ?? ? ?mj32gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017111320171020
13693113? ? ?? ? ?mj32gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017111320171020
13693412? ? ?? ? ?mj32gcc_-march=barcelona_-O_-fomit-frame-pointer2017111320171020
13742213? ? ?? ? ?mj32gcc_-march=k8_-O_-fomit-frame-pointer2017111320171020
13885659? ? ?? ? ?mj32gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017111320171020
14539593? ? ?? ? ?mj32gcc_-m64_-march=core-avx-i_-O_-fomit-frame-pointer2017111320171020
14540301? ? ?? ? ?mj32gcc_-m64_-march=corei7-avx_-O_-fomit-frame-pointer2017111320171020
14560775? ? ?? ? ?mj32gcc_-m64_-march=core2_-O_-fomit-frame-pointer2017111320171020
14589908? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4.1_-O_-fomit-frame-pointer2017111320171020
14590101? ? ?? ? ?mj32gcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017111320171020
14621939? ? ?? ? ?mj32gcc_-m64_-march=core2_-msse4_-O_-fomit-frame-pointer2017111320171020
14649542? ? ?? ? ?mj32gcc_-m64_-march=corei7_-O_-fomit-frame-pointer2017111320171020
14672608? ? ?? ? ?mj32gcc_-O_-fomit-frame-pointer2017111320171020
14699971? ? ?? ? ?mj32gcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017111320171020
14716370? ? ?? ? ?mj32gcc_-march=nocona_-O_-fomit-frame-pointer2017111320171020
14803963? ? ?? ? ?mj32gcc_-m64_-O_-fomit-frame-pointer2017111320171020
53777004? ? ?? ? ?mj32gcc2017111320171020
53882319? ? ?? ? ?mj32cc2017111320171020
54068507? ? ?? ? ?mj32gcc_-funroll-loops2017111320171020

Test failure

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 3, namely:
CompilerImplementations
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer mj32
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: cc
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: 106, namely:
CompilerImplementations
cc mj32
gcc mj32
gcc -O2 -fomit-frame-pointer mj32
gcc -O3 -fomit-frame-pointer mj32
gcc -O -fomit-frame-pointer mj32
gcc -Os -fomit-frame-pointer mj32
gcc -fno-schedule-insns -O2 -fomit-frame-pointer mj32
gcc -fno-schedule-insns -O3 -fomit-frame-pointer mj32
gcc -fno-schedule-insns -O -fomit-frame-pointer mj32
gcc -fno-schedule-insns -Os -fomit-frame-pointer mj32
gcc -funroll-loops mj32
gcc -funroll-loops -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -O -fomit-frame-pointer mj32
gcc -funroll-loops -Os -fomit-frame-pointer mj32
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer mj32
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -O -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -Os -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer mj32
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer mj32
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer mj32
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer mj32
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer mj32
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer mj32
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer mj32
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer mj32
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer mj32
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer mj32
gcc -m64 -O2 -fomit-frame-pointer mj32
gcc -m64 -O3 -fomit-frame-pointer mj32
gcc -m64 -O -fomit-frame-pointer mj32
gcc -m64 -Os -fomit-frame-pointer mj32
gcc -m64 -march=core-avx-i -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core-avx-i -O3 -fomit-frame-pointer mj32
gcc -m64 -march=core-avx-i -O -fomit-frame-pointer mj32
gcc -m64 -march=core-avx-i -Os -fomit-frame-pointer mj32
gcc -m64 -march=core-avx2 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core-avx2 -O -fomit-frame-pointer mj32
gcc -m64 -march=core-avx2 -Os -fomit-frame-pointer mj32
gcc -m64 -march=core2 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -O3 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -O -fomit-frame-pointer mj32
gcc -m64 -march=core2 -Os -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer mj32
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer mj32
gcc -m64 -march=corei7-avx -O2 -fomit-frame-pointer mj32
gcc -m64 -march=corei7-avx -O3 -fomit-frame-pointer mj32
gcc -m64 -march=corei7-avx -O -fomit-frame-pointer mj32
gcc -m64 -march=corei7-avx -Os -fomit-frame-pointer mj32
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=corei7 -O3 -fomit-frame-pointer mj32
gcc -m64 -march=corei7 -O -fomit-frame-pointer mj32
gcc -m64 -march=corei7 -Os -fomit-frame-pointer mj32
gcc -m64 -march=k8 -O2 -fomit-frame-pointer mj32
gcc -m64 -march=k8 -O3 -fomit-frame-pointer mj32
gcc -m64 -march=k8 -O -fomit-frame-pointer mj32
gcc -m64 -march=k8 -Os -fomit-frame-pointer mj32
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer mj32
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer mj32
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer mj32
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer mj32
gcc -m64 -march=nocona -O2 -fomit-frame-pointer mj32
gcc -m64 -march=nocona -O3 -fomit-frame-pointer mj32
gcc -m64 -march=nocona -O -fomit-frame-pointer mj32
gcc -m64 -march=nocona -Os -fomit-frame-pointer mj32
gcc -march=barcelona -O2 -fomit-frame-pointer mj32
gcc -march=barcelona -O3 -fomit-frame-pointer mj32
gcc -march=barcelona -O -fomit-frame-pointer mj32
gcc -march=barcelona -Os -fomit-frame-pointer mj32
gcc -march=k8 -O2 -fomit-frame-pointer mj32
gcc -march=k8 -O3 -fomit-frame-pointer mj32
gcc -march=k8 -O -fomit-frame-pointer mj32
gcc -march=k8 -Os -fomit-frame-pointer mj32
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
gcc -march=nocona -O2 -fomit-frame-pointer mj32
gcc -march=nocona -O3 -fomit-frame-pointer mj32
gcc -march=nocona -O -fomit-frame-pointer mj32
gcc -march=nocona -Os -fomit-frame-pointer mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: clang -O3 -fomit-frame-pointer -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 < 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: 8, namely:
CompilerImplementations
clang -O3 -fomit-frame-pointer -Qunused-arguments mj32
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments mj32
clang -O3 -fwrapv -mavx -fomit-frame-pointer -Qunused-arguments mj32
clang -O3 -fwrapv -mavx -maes -mpclmul -fomit-frame-pointer -Qunused-arguments mj32
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments mj32
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments mj32
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments mj32
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments mj32

Compiler output

Implementation: crypto_scalarmult/nistp256/mj32
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
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: ^
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 -m64 -march=barcelona -O2 -fomit-frame-pointer mj32
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer mj32
gcc -m64 -march=barcelona -O -fomit-frame-pointer mj32
gcc -m64 -march=barcelona -Os -fomit-frame-pointer mj32