Implementation notes: amd64, h8bobcat, crypto_sign/edons128k08n72nu8l4mu3

Computer: h8bobcat
Architecture: amd64
CPU ID: AuthenticAMD-00500f20-178bfbff
SUPERCOP version: 20171218
Operation: crypto_sign
Primitive: edons128k08n72nu8l4mu3
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
4237946? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017122220171218
4264312? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer2017122220171218
4298831? ? ?? ? ?refgcc_-m64_-march=nocona_-O3_-fomit-frame-pointer2017122220171218
4309399? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer2017122220171218
4309784? ? ?? ? ?refgcc_-march=nocona_-O3_-fomit-frame-pointer2017122220171218
4311845? ? ?? ? ?refgcc_-m64_-march=core2_-O3_-fomit-frame-pointer2017122220171218
4313266? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer2017122220171218
4389731? ? ?? ? ?refgcc_-march=barcelona_-O3_-fomit-frame-pointer2017122220171218
4391066? ? ?? ? ?refgcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer2017122220171218
4447368? ? ?? ? ?refclang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017122220171218
4449999? ? ?? ? ?refclang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017122220171218
4458968? ? ?? ? ?refclang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017122220171218
4464093? ? ?? ? ?refgcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer2017122220171218
4466330? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer2017122220171218
4471574? ? ?? ? ?refgcc_-funroll-loops_-O3_-fomit-frame-pointer2017122220171218
4475697? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer2017122220171218
4476405? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer2017122220171218
4478443? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer2017122220171218
4480680? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer2017122220171218
4484831? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer2017122220171218
4488256? ? ?? ? ?refgcc_-funroll-loops_-O_-fomit-frame-pointer2017122220171218
4488641? ? ?? ? ?refgcc_-funroll-loops_-m64_-O_-fomit-frame-pointer2017122220171218
4495414? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer2017122220171218
4495505? ? ?? ? ?refgcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv2017122220171218
4495714? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer2017122220171218
4498825? ? ?? ? ?refclang_-O3_-fomit-frame-pointer_-Qunused-arguments2017122220171218
4505385? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer2017122220171218
4514780? ? ?? ? ?refgcc_-m64_-O3_-fomit-frame-pointer2017122220171218
4522394? ? ?? ? ?refclang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments2017122220171218
4525866? ? ?? ? ?refgcc_-O3_-fomit-frame-pointer2017122220171218
4527890? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017122220171218
4529842? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer2017122220171218
4534507? ? ?? ? ?refgcc_-fno-schedule-insns_-O3_-fomit-frame-pointer2017122220171218
4541689? ? ?? ? ?refclang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments2017122220171218
4552020? ? ?? ? ?refgcc_-m64_-march=k8_-O3_-fomit-frame-pointer2017122220171218
4567477? ? ?? ? ?refgcc_-march=k8_-O3_-fomit-frame-pointer2017122220171218
4582753? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer2017122220171218
4587792? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer2017122220171218
4591853? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer2017122220171218
4610493? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer2017122220171218
4616040? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer2017122220171218
4624201? ? ?? ? ?refgcc_-funroll-loops_-O2_-fomit-frame-pointer2017122220171218
4625740? ? ?? ? ?refgcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer2017122220171218
4691613? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer2017122220171218
4696967? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer2017122220171218
4888524? ? ?? ? ?refgcc_-m64_-march=barcelona_-O_-fomit-frame-pointer2017122220171218
4893222? ? ?? ? ?refgcc_-march=barcelona_-O_-fomit-frame-pointer2017122220171218
4914834? ? ?? ? ?refgcc_-m64_-march=core2_-O_-fomit-frame-pointer2017122220171218
4932504? ? ?? ? ?refgcc_-O_-fomit-frame-pointer2017122220171218
4938015? ? ?? ? ?refgcc_-fno-schedule-insns_-O_-fomit-frame-pointer2017122220171218
4979520? ? ?? ? ?refgcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv2017122220171218
4985662? ? ?? ? ?refgcc_-m64_-O_-fomit-frame-pointer2017122220171218
4991248? ? ?? ? ?refgcc_-m64_-march=nocona_-O_-fomit-frame-pointer2017122220171218
4998292? ? ?? ? ?refgcc_-march=nocona_-O_-fomit-frame-pointer2017122220171218
5037270? ? ?? ? ?refgcc_-m64_-march=k8_-O_-fomit-frame-pointer2017122220171218
5037404? ? ?? ? ?refgcc_-march=k8_-O_-fomit-frame-pointer2017122220171218
5053463? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer2017122220171218
5269109? ? ?? ? ?refgcc_-m64_-march=nocona_-O2_-fomit-frame-pointer2017122220171218
5283967? ? ?? ? ?refgcc_-march=nocona_-O2_-fomit-frame-pointer2017122220171218
5296221? ? ?? ? ?refgcc_-fno-schedule-insns_-O2_-fomit-frame-pointer2017122220171218
5313122? ? ?? ? ?refgcc_-m64_-O2_-fomit-frame-pointer2017122220171218
5315444? ? ?? ? ?refgcc_-O2_-fomit-frame-pointer2017122220171218
5342676? ? ?? ? ?refgcc_-m64_-march=core2_-O2_-fomit-frame-pointer2017122220171218
5369965? ? ?? ? ?refgcc_-march=barcelona_-O2_-fomit-frame-pointer2017122220171218
5371504? ? ?? ? ?refgcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer2017122220171218
5454391? ? ?? ? ?refgcc_-m64_-march=k8_-O2_-fomit-frame-pointer2017122220171218
5473188? ? ?? ? ?refgcc_-march=k8_-O2_-fomit-frame-pointer2017122220171218
5498975? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer2017122220171218
5623373? ? ?? ? ?refgcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv2017122220171218
6254291? ? ?? ? ?refgcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv2017122220171218
6282996? ? ?? ? ?refgcc_-funroll-loops_-Os_-fomit-frame-pointer2017122220171218
6284554? ? ?? ? ?refgcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer2017122220171218
6286687? ? ?? ? ?refgcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer2017122220171218
6333289? ? ?? ? ?refgcc_-march=barcelona_-Os_-fomit-frame-pointer2017122220171218
6336286? ? ?? ? ?refgcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer2017122220171218
6336300? ? ?? ? ?refgcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017122220171218
6413303? ? ?? ? ?refgcc_-m64_-march=core2_-Os_-fomit-frame-pointer2017122220171218
6656413? ? ?? ? ?refgcc_-march=nocona_-Os_-fomit-frame-pointer2017122220171218
6656821? ? ?? ? ?refgcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer2017122220171218
6659585? ? ?? ? ?refgcc_-m64_-march=nocona_-Os_-fomit-frame-pointer2017122220171218
6667114? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer2017122220171218
6717701? ? ?? ? ?refgcc_-Os_-fomit-frame-pointer2017122220171218
6718913? ? ?? ? ?refgcc_-fno-schedule-insns_-Os_-fomit-frame-pointer2017122220171218
6720694? ? ?? ? ?refgcc_-m64_-Os_-fomit-frame-pointer2017122220171218
6773448? ? ?? ? ?refgcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer2017122220171218
6775234? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer2017122220171218
6799292? ? ?? ? ?refgcc_-march=k8_-Os_-fomit-frame-pointer2017122220171218
6800238? ? ?? ? ?refgcc_-m64_-march=k8_-Os_-fomit-frame-pointer2017122220171218
6834913? ? ?? ? ?refgcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer2017122220171218
6839197? ? ?? ? ?refgcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer2017122220171218
19448366? ? ?? ? ?refgcc_-funroll-loops2017122220171218
19456304? ? ?? ? ?refgcc2017122220171218
19457786? ? ?? ? ?refcc2017122220171218

Test failure

Implementation: crypto_sign/edons128k08n72nu8l4mu3/ref
Compiler: gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer
error 111

Number of similar (compiler,implementation) pairs: 9, namely:
CompilerImplementations
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_sign/edons128k08n72nu8l4mu3/ref
Compiler: cc
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref':
sign.c: sign.c:815:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref_open':
sign.c: sign.c:975:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^

Number of similar (compiler,implementation) pairs: 92, namely:
CompilerImplementations
cc ref
gcc ref
gcc -O2 -fomit-frame-pointer ref
gcc -O3 -fomit-frame-pointer ref
gcc -O -fomit-frame-pointer ref
gcc -Os -fomit-frame-pointer ref
gcc -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops ref
gcc -funroll-loops -O2 -fomit-frame-pointer ref
gcc -funroll-loops -O3 -fomit-frame-pointer ref
gcc -funroll-loops -O -fomit-frame-pointer ref
gcc -funroll-loops -Os -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer ref
gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -O -fomit-frame-pointer ref
gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -O -fomit-frame-pointer ref
gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer ref
gcc -m64 -O2 -fomit-frame-pointer ref
gcc -m64 -O3 -fomit-frame-pointer ref
gcc -m64 -O -fomit-frame-pointer ref
gcc -m64 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O3 -fomit-frame-pointer ref
gcc -m64 -march=core2 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer ref
gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O2 -fomit-frame-pointer ref
gcc -m64 -march=corei7 -O -fomit-frame-pointer ref
gcc -m64 -march=corei7 -Os -fomit-frame-pointer ref
gcc -m64 -march=k8 -O2 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O3 -fomit-frame-pointer ref
gcc -m64 -march=k8 -O -fomit-frame-pointer ref
gcc -m64 -march=k8 -Os -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer ref
gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer ref
gcc -m64 -march=nocona -O2 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O3 -fomit-frame-pointer ref
gcc -m64 -march=nocona -O -fomit-frame-pointer ref
gcc -m64 -march=nocona -Os -fomit-frame-pointer ref
gcc -march=barcelona -O2 -fomit-frame-pointer ref
gcc -march=barcelona -O3 -fomit-frame-pointer ref
gcc -march=barcelona -O -fomit-frame-pointer ref
gcc -march=barcelona -Os -fomit-frame-pointer ref
gcc -march=k8 -O2 -fomit-frame-pointer ref
gcc -march=k8 -O3 -fomit-frame-pointer ref
gcc -march=k8 -O -fomit-frame-pointer ref
gcc -march=k8 -Os -fomit-frame-pointer ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv ref
gcc -march=nocona -O2 -fomit-frame-pointer ref
gcc -march=nocona -O3 -fomit-frame-pointer ref
gcc -march=nocona -O -fomit-frame-pointer ref
gcc -march=nocona -Os -fomit-frame-pointer ref

Compiler output

Implementation: crypto_sign/edons128k08n72nu8l4mu3/ref
Compiler: clang -O3 -fomit-frame-pointer -Qunused-arguments
mpfq_2_128.c: mpfq_2_128.c:154:35: warning: passing 'char *' to parameter of type 'const unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
mpfq_2_128.c: int ret = mpn_set_str(zz, tmp, len, k->io_type);
mpfq_2_128.c: ^~~
mpfq_2_128.c: /home/djb/benchmarking/supercop-20171218/supercop-data/h8bobcat/amd64/include/gmp.h:1588:68: note: passing argument to parameter here
mpfq_2_128.c: __GMP_DECLSPEC mp_size_t mpn_set_str (mp_ptr, const unsigned char *, size_t, int);
mpfq_2_128.c: ^
mpfq_2_128.c: 1 warning generated.
sign.c: sign.c:815:63: warning: incompatible pointer types passing 'int (const unsigned long *, const unsigned long *)' to parameter of type '__compar_fn_t' (aka 'int (*)(const void *, const void *)') [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: /usr/include/stdlib.h:765:20: note: passing argument to parameter '__compar' here
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ^
sign.c: sign.c:566:83: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kinit(allcandidates[i]);
sign.c: ^
sign.c: sign.c:566:83: note: put the semicolon on a separate line to silence this warning
sign.c: sign.c:880:84: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kclear(allcandidates[i]);
sign.c: ^
sign.c: sign.c:880:84: note: put the semicolon on a separate line to silence this warning
sign.c: sign.c:975:63: warning: incompatible pointer types passing 'int (const unsigned long *, const unsigned long *)' to parameter of type '__compar_fn_t' (aka 'int (*)(const void *, const void *)') [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: /usr/include/stdlib.h:765:20: note: passing argument to parameter '__compar' here
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ^
sign.c: sign.c:934:83: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kinit(allcandidates[i]);
sign.c: ^
sign.c: sign.c:934:83: note: put the semicolon on a separate line to silence this warning
sign.c: 5 warnings generated.

Number of similar (compiler,implementation) pairs: 6, namely:
CompilerImplementations
clang -O3 -fomit-frame-pointer -Qunused-arguments ref
clang -O3 -fwrapv -march=native -fomit-frame-pointer -Qunused-arguments ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=cortex-a8 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=cortex-a9 -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref
clang -mcpu=native -mfpu=neon -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments ref

Compiler output

Implementation: crypto_sign/edons128k08n72nu8l4mu3/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref':
sign.c: sign.c:815:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref_open':
sign.c: sign.c:975:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref':
sign.c: sign.c:815:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^
sign.c: sign.c: In function 'crypto_sign_edons128k08n72nu8l4mu3_ref_open':
sign.c: sign.c:975:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^
sign.c: In file included from sign.c:2:0:
sign.c: /usr/include/stdlib.h:764:13: note: expected '__compar_fn_t {aka int (*)(const void *, const void *)}' but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: extern void qsort (void *__base, size_t __nmemb, size_t __size,
sign.c: ^

Number of similar (compiler,implementation) pairs: 4, namely:
CompilerImplementations
gcc -m64 -march=barcelona -O2 -fomit-frame-pointer ref
gcc -m64 -march=barcelona -O3 -fomit-frame-pointer ref
gcc -m64 -march=barcelona -O -fomit-frame-pointer ref
gcc -m64 -march=barcelona -Os -fomit-frame-pointer ref