Implementation notes: amd64, hydra3, crypto_sign/edons128ref

Computer: hydra3
Architecture: amd64
CPU ID: AuthenticAMD-00100fa0-178bfbff
SUPERCOP version: 20171218
Operation: crypto_sign
Primitive: edons128ref

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
6005468	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a8_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20171224	20171218
6014460	? ? ?	? ? ?	`ref`	`clang_-mcpu=cortex-a9_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20171224	20171218
6024876	? ? ?	? ? ?	`ref`	`clang_-mcpu=native_-mfpu=neon_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20171224	20171218
6091334	? ? ?	? ? ?	`ref`	`clang_-O3_-fomit-frame-pointer_-Qunused-arguments`	20171224	20171218
6303388	? ? ?	? ? ?	`ref`	`clang_-O3_-fwrapv_-march=native_-fomit-frame-pointer_-Qunused-arguments`	20171224	20171218
6306475	? ? ?	? ? ?	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments`	20171224	20171218
6559042	? ? ?	? ? ?	`ref`	`gcc_-O3_-fomit-frame-pointer`	20171224	20171218
6559890	? ? ?	? ? ?	`ref`	`gcc_-m64_-O3_-fomit-frame-pointer`	20171224	20171218
6584302	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171224	20171218
6618838	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O3_-fomit-frame-pointer`	20171224	20171218
6619752	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O3_-fomit-frame-pointer`	20171224	20171218
6635379	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O3_-fomit-frame-pointer`	20171224	20171218
6640340	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O3_-fomit-frame-pointer`	20171224	20171218
6642064	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O3_-fomit-frame-pointer`	20171224	20171218
6644779	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20171224	20171218
6661972	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv`	20171224	20171218
6704762	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O3_-fomit-frame-pointer`	20171224	20171218
6708065	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O3_-fomit-frame-pointer`	20171224	20171218
6728001	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O2_-fomit-frame-pointer`	20171224	20171218
6728276	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O2_-fomit-frame-pointer`	20171224	20171218
6736192	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20171224	20171218
6742054	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O3_-fomit-frame-pointer`	20171224	20171218
6742496	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O3_-fomit-frame-pointer`	20171224	20171218
6749669	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O3_-fomit-frame-pointer`	20171224	20171218
6749862	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O3_-fomit-frame-pointer`	20171224	20171218
6755657	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171224	20171218
6763453	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O2_-fomit-frame-pointer`	20171224	20171218
6770796	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O3_-fomit-frame-pointer`	20171224	20171218
6782963	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20171224	20171218
6792692	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O3_-fomit-frame-pointer`	20171224	20171218
6793502	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O2_-fomit-frame-pointer`	20171224	20171218
6794762	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O2_-fomit-frame-pointer`	20171224	20171218
6809244	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O3_-fomit-frame-pointer`	20171224	20171218
6815762	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O2_-fomit-frame-pointer`	20171224	20171218
6878873	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20171224	20171218
6923390	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20171224	20171218
6937854	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-O_-fomit-frame-pointer`	20171224	20171218
6949541	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-O_-fomit-frame-pointer`	20171224	20171218
6952377	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-O_-fomit-frame-pointer`	20171224	20171218
6964109	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-O_-fomit-frame-pointer`	20171224	20171218
6980345	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-O_-fomit-frame-pointer`	20171224	20171218
6986801	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-O_-fomit-frame-pointer`	20171224	20171218
6998604	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-O_-fomit-frame-pointer`	20171224	20171218
7007352	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171224	20171218
7371290	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O2_-fomit-frame-pointer`	20171224	20171218
7378234	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O2_-fomit-frame-pointer`	20171224	20171218
7394440	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O2_-fomit-frame-pointer`	20171224	20171218
7423785	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O2_-fomit-frame-pointer`	20171224	20171218
7438277	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv`	20171224	20171218
7446047	? ? ?	? ? ?	`ref`	`gcc_-m64_-O2_-fomit-frame-pointer`	20171224	20171218
7455464	? ? ?	? ? ?	`ref`	`gcc_-O2_-fomit-frame-pointer`	20171224	20171218
7466449	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O2_-fomit-frame-pointer`	20171224	20171218
7477556	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O_-fomit-frame-pointer`	20171224	20171218
7483493	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-O_-fomit-frame-pointer`	20171224	20171218
7501534	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-O2_-fomit-frame-pointer`	20171224	20171218
7515468	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O2_-fomit-frame-pointer`	20171224	20171218
7544773	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-O_-fomit-frame-pointer`	20171224	20171218
7546494	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-O_-fomit-frame-pointer`	20171224	20171218
7549154	? ? ?	? ? ?	`ref`	`gcc_-O_-fomit-frame-pointer`	20171224	20171218
7551002	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-O_-fomit-frame-pointer`	20171224	20171218
7555338	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-O_-fomit-frame-pointer`	20171224	20171218
7563372	? ? ?	? ? ?	`ref`	`gcc_-m64_-O_-fomit-frame-pointer`	20171224	20171218
7565349	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-O_-fomit-frame-pointer`	20171224	20171218
7569858	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv`	20171224	20171218
7596927	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O2_-fomit-frame-pointer`	20171224	20171218
7612695	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O2_-fomit-frame-pointer`	20171224	20171218
7706432	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-O_-fomit-frame-pointer`	20171224	20171218
7707799	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-O_-fomit-frame-pointer`	20171224	20171218
8759589	? ? ?	? ? ?	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv`	20171224	20171218
8831883	? ? ?	? ? ?	`ref`	`gcc_-march=barcelona_-Os_-fomit-frame-pointer`	20171224	20171218
8881235	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=core2_-Os_-fomit-frame-pointer`	20171224	20171218
8917779	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20171224	20171218
8922652	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=native_-mtune=native_-Os_-fomit-frame-pointer`	20171224	20171218
8981542	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-Os_-fomit-frame-pointer`	20171224	20171218
8986654	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=k8_-Os_-fomit-frame-pointer`	20171224	20171218
9011361	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=barcelona_-Os_-fomit-frame-pointer`	20171224	20171218
9019502	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171224	20171218
9027140	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=barcelona_-Os_-fomit-frame-pointer`	20171224	20171218
9033654	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20171224	20171218
9035523	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-Os_-fomit-frame-pointer`	20171224	20171218
9157670	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=nocona_-Os_-fomit-frame-pointer`	20171224	20171218
9161962	? ? ?	? ? ?	`ref`	`gcc_-Os_-fomit-frame-pointer`	20171224	20171218
9162562	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=nocona_-Os_-fomit-frame-pointer`	20171224	20171218
9176067	? ? ?	? ? ?	`ref`	`gcc_-march=k8_-Os_-fomit-frame-pointer`	20171224	20171218
9178128	? ? ?	? ? ?	`ref`	`gcc_-m64_-Os_-fomit-frame-pointer`	20171224	20171218
9181293	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops_-march=k8_-Os_-fomit-frame-pointer`	20171224	20171218
9182227	? ? ?	? ? ?	`ref`	`gcc_-fno-schedule-insns_-Os_-fomit-frame-pointer`	20171224	20171218
9190569	? ? ?	? ? ?	`ref`	`gcc_-m64_-march=k8_-Os_-fomit-frame-pointer`	20171224	20171218
9233922	? ? ?	? ? ?	`ref`	`gcc_-march=nocona_-Os_-fomit-frame-pointer`	20171224	20171218
28111877	? ? ?	? ? ?	`ref`	`gcc_-funroll-loops`	20171224	20171218
28132013	? ? ?	? ? ?	`ref`	`cc`	20171224	20171218
28152337	? ? ?	? ? ?	`ref`	`gcc`	20171224	20171218

Test failure

Implementation: crypto_sign/edons128ref/ref
Compiler: gcc -m64 -march=core2 -O3 -fomit-frame-pointer

error 111

Number of similar (compiler,implementation) pairs: 10, namely:

Compiler	Implementations
gcc -m64 -march=core2 -O3 -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

Compiler output

Implementation: crypto_sign/edons128ref/ref
Compiler: cc

Number of similar (compiler,implementation) pairs: 92, namely:

Compiler	Implementations
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/edons128ref/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/supercop/benchmarking/supercop-20171218/supercop-data/hydra3/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:

Compiler	Implementations
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/edons128ref/ref
Compiler: gcc -m64 -march=barcelona -O2 -fomit-frame-pointer

sign.c: sign.c: In function 'crypto_sign_edons128ref_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_edons128ref_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_edons128ref_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_edons128ref_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:

Compiler	Implementations
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