Implementation notes: amd64, hydra2, crypto_hash/md6d256

Computer: hydra2
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20141014
Operation: crypto_hash
Primitive: md6d256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
42376	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140528	20140525
42384	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140528	20140525
42428	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140528	20140525
42444	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140528	20140525
42448	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140528	20140525
42524	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140528	20140525
42564	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140528	20140525
42680	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140528	20140525
42704	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140528	20140525
43116	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140528	20140525
43124	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140528	20140525
43596	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140528	20140525
43600	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140528	20140525
43628	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140528	20140525
43640	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140528	20140525
43696	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140528	20140525
43696	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140528	20140525
43716	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20140528	20140525
43756	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140528	20140525
43760	`ref`	`gcc -O2 -fomit-frame-pointer`	20140528	20140525
43792	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140528	20140525
43820	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140528	20140525
43904	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140528	20140525
44132	`ref`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140528	20140525
44268	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140528	20140525
44376	`ref`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140528	20140525
44392	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140528	20140525
44480	`ref`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140528	20140525
44484	`ref`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140528	20140525
44984	`ref`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140528	20140525
45028	`ref`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140528	20140525
45032	`ref`	`gcc -m64 -Os -fomit-frame-pointer`	20140528	20140525
45044	`ref`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140528	20140525
45048	`ref`	`gcc -Os -fomit-frame-pointer`	20140528	20140525
45132	`ref`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140528	20140525
45164	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140528	20140525
45172	`ref`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140528	20140525
45216	`ref`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140528	20140525
45308	`ref`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140528	20140525
45356	`ref`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140528	20140525
45376	`ref`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140528	20140525
45432	`ref`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140528	20140525
45620	`ref`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140528	20140525
45720	`ref`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140528	20140525
45760	`ref`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140528	20140525
45780	`ref`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140528	20140525
60708	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140528	20140525
60788	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140528	20140525
60908	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140528	20140525
61352	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140528	20140525
61424	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140528	20140525
61524	`ref`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140528	20140525
61636	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140528	20140525
61648	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20140528	20140525
61652	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140528	20140525
61660	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140528	20140525
61664	`ref`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140528	20140525
61672	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140528	20140525
61676	`ref`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140528	20140525
61684	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140528	20140525
61688	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140528	20140525
61700	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140528	20140525
61716	`ref`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140528	20140525
61768	`ref`	`gcc -O3 -fomit-frame-pointer`	20140528	20140525
61780	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140528	20140525
61804	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140528	20140525
61848	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140528	20140525
61916	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20140528	20140525
62020	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140528	20140525
62052	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20140528	20140525
62064	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140528	20140525
62072	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140528	20140525
62084	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140528	20140525
62124	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140528	20140525
62136	`ref`	`gcc -O -fomit-frame-pointer`	20140528	20140525
62136	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20140528	20140525
62148	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140528	20140525
62148	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140528	20140525
62196	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140528	20140525
62208	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140528	20140525
62712	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140528	20140525
63088	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140528	20140525
63132	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140528	20140525
63248	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140528	20140525
65660	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140528	20140525
65712	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140528	20140525
65716	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140528	20140525
65900	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140528	20140525
67336	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140528	20140525
67348	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140528	20140525
67504	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140528	20140525
67548	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140528	20140525
259644	`ref`	`gcc`	20140528	20140525
259900	`ref`	`gcc -funroll-loops`	20140528	20140525
260148	`ref`	`cc`	20140528	20140525

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fomit-frame-pointer

md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:431:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:431:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer	ref
clang -O3 -fwrapv -march=native -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fwrapv -march=native -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

hash.c: clang: warning: argument unused during compilation: '-fpolly'
hash.c: clang: warning: argument unused during compilation: '-fvectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: clang: warning: argument unused during compilation: '-fpolly'
md6_compress.c: clang: warning: argument unused during compilation: '-fvectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:431:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=native -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer

hash.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
hash.c: clang: warning: argument unused during compilation: '-mavx2'
hash.c: clang: warning: argument unused during compilation: '-mpclmul'
md6_compress.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
md6_compress.c: clang: warning: argument unused during compilation: '-mavx2'
md6_compress.c: clang: warning: argument unused during compilation: '-mpclmul'
md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:431:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

hash.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
hash.c: clang: warning: argument unused during compilation: '-mavx2'
hash.c: clang: warning: argument unused during compilation: '-mpclmul'
hash.c: clang: warning: argument unused during compilation: '-fpolly'
hash.c: clang: warning: argument unused during compilation: '-fvectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
md6_compress.c: clang: warning: argument unused during compilation: '-mavx2'
md6_compress.c: clang: warning: argument unused during compilation: '-mpclmul'
md6_compress.c: clang: warning: argument unused during compilation: '-fpolly'
md6_compress.c: clang: warning: argument unused during compilation: '-fvectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fwrapv -mavx2 -fomit-frame-pointer

hash.c: clang: warning: argument unused during compilation: '-mavx2'
md6_compress.c: clang: warning: argument unused during compilation: '-mavx2'
md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:431:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (K == NULL) ) return MD6_NULL_K;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:431:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_hash/md6d256/ref
Compiler: clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

hash.c: clang: warning: argument unused during compilation: '-mavx2'
hash.c: clang: warning: argument unused during compilation: '-fpolly'
hash.c: clang: warning: argument unused during compilation: '-fvectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
hash.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: clang: warning: argument unused during compilation: '-mavx2'
md6_compress.c: clang: warning: argument unused during compilation: '-fpolly'
md6_compress.c: clang: warning: argument unused during compilation: '-fvectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
md6_compress.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
md6_compress.c: md6_compress.c:424:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:424:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:424:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (C == NULL) ) return MD6_NULL_C;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: md6_compress.c:425:11: warning: equality comparison with extraneous parentheses [-Wparentheses-equality]
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~~^~~~~~~
md6_compress.c: md6_compress.c:425:11: note: remove extraneous parentheses around the comparison to silence this warning
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ~ ^ ~
md6_compress.c: md6_compress.c:425:11: note: use '=' to turn this equality comparison into an assignment
md6_compress.c: if ( (B == NULL) ) return MD6_NULL_B;
md6_compress.c: ^~
md6_compress.c: =
md6_compress.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref