Implementation notes: amd64, hydra2, crypto_sign/pass863

Computer: hydra2
Architecture: amd64
CPU ID: GenuineIntel-000206c2-bfebfbff
SUPERCOP version: 20141014
Operation: crypto_sign
Primitive: pass863

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
2354904	`ref-karatsuba`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140724	20140622
2356684	`ref-karatsuba`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140724	20140622
2359320	`ref-karatsuba`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140724	20140622
2391880	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140724	20140622
2392740	`ref-karatsuba`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140724	20140622
2470508	`ref-karatsuba`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140724	20140622
2471332	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140724	20140622
2472448	`ref-karatsuba`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140724	20140622
2476072	`ref-karatsuba`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140724	20140622
2477976	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140724	20140622
2479788	`ref-karatsuba`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140724	20140622
2480128	`ref-karatsuba`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140724	20140622
2480188	`ref-karatsuba`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140724	20140622
2481700	`ref-karatsuba`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140724	20140622
2485528	`ref-karatsuba`	`gcc -m64 -O3 -fomit-frame-pointer`	20140724	20140622
2485672	`ref-karatsuba`	`gcc -O3 -fomit-frame-pointer`	20140724	20140622
2489036	`ref-karatsuba`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140724	20140622
2493644	`ref-karatsuba`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140724	20140622
2494528	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140724	20140622
2497788	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140724	20140622
2533780	`ref-karatsuba`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140724	20140622
2534312	`ref-karatsuba`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140724	20140622
2534468	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140724	20140622
2536732	`ref-karatsuba`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140724	20140622
2536740	`ref-karatsuba`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140724	20140622
2538108	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140724	20140622
2538940	`ref-karatsuba`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140724	20140622
2539256	`ref-karatsuba`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140724	20140622
2543164	`ref-karatsuba`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140724	20140622
2553296	`ref-karatsuba`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140724	20140622
2553364	`ref-karatsuba`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140724	20140622
2554800	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140724	20140622
2555968	`ref-karatsuba`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140724	20140622
2556184	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140724	20140622
2557088	`ref-karatsuba`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140724	20140622
2557124	`ref-karatsuba`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140724	20140622
2559616	`ref-karatsuba`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140724	20140622
2565292	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140724	20140622
2566596	`ref-karatsuba`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140724	20140622
2629296	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140724	20140622
2629500	`ref-karatsuba`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140724	20140622
2659860	`ref-karatsuba`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140724	20140622
2662348	`ref-karatsuba`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140724	20140622
2693424	`ref-karatsuba`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140724	20140622
2697692	`ref-karatsuba`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140724	20140622
2733176	`ref-karatsuba`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140724	20140622
2734100	`ref-karatsuba`	`gcc -m64 -O2 -fomit-frame-pointer`	20140724	20140622
2735664	`ref-karatsuba`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140724	20140622
2735860	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140724	20140622
2737416	`ref-karatsuba`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140724	20140622
2737968	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140724	20140622
2740056	`ref-karatsuba`	`gcc -O2 -fomit-frame-pointer`	20140724	20140622
2744596	`ref-karatsuba`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140724	20140622
2766596	`ref-karatsuba`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140724	20140622
2766624	`ref-karatsuba`	`gcc -m64 -O -fomit-frame-pointer`	20140724	20140622
2769912	`ref-karatsuba`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140724	20140622
2770572	`ref-karatsuba`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140724	20140622
2770836	`ref-karatsuba`	`gcc -O -fomit-frame-pointer`	20140724	20140622
2772040	`ref-karatsuba`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140724	20140622
2772340	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140724	20140622
2772468	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140724	20140622
2795984	`ref-karatsuba`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140724	20140622
2800164	`ref-karatsuba`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140724	20140622
2880444	`ref-karatsuba`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140724	20140622
2882388	`ref-karatsuba`	`gcc -march=nocona -O -fomit-frame-pointer`	20140724	20140622
2890156	`ref-karatsuba`	`gcc -march=k8 -O -fomit-frame-pointer`	20140724	20140622
2893792	`ref-karatsuba`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140724	20140622
2932076	`ref-karatsuba`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140724	20140622
2938140	`ref-karatsuba`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140724	20140622
3119860	`ref-karatsuba`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140724	20140622
3121428	`ref-karatsuba`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140724	20140622
3121460	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140724	20140622
3123416	`ref-karatsuba`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140724	20140622
3125208	`ref-karatsuba`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140724	20140622
3128520	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140724	20140622
3129516	`ref-karatsuba`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140724	20140622
3132068	`ref-karatsuba`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140724	20140622
3133572	`ref-karatsuba`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140724	20140622
3182556	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140724	20140622
3321920	`ref-karatsuba`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140724	20140622
3322664	`ref-karatsuba`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140724	20140622
3324208	`ref-karatsuba`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140724	20140622
3325308	`ref-karatsuba`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140724	20140622
3326988	`ref-karatsuba`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140724	20140622
3327624	`ref-karatsuba`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140724	20140622
3329268	`ref-karatsuba`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140724	20140622
3330912	`ref-karatsuba`	`gcc -m64 -Os -fomit-frame-pointer`	20140724	20140622
3331036	`ref-karatsuba`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140724	20140622
3331616	`ref-karatsuba`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140724	20140622
3332064	`ref-karatsuba`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140724	20140622
3332844	`ref-karatsuba`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140724	20140622
3334012	`ref-karatsuba`	`gcc -Os -fomit-frame-pointer`	20140724	20140622
3632016	`ref-karatsuba`	`clang -O3 -fwrapv -march=native -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer`	20140724	20140622
3635300	`ref-karatsuba`	`clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer`	20141014	20141014
3651176	`ref-karatsuba`	`clang -O3 -fwrapv -march=native -fomit-frame-pointer`	20140724	20140622
3654356	`ref-karatsuba`	`clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer`	20141014	20141014
3662140	`ref-karatsuba`	`clang -O3 -fwrapv -mavx2 -fomit-frame-pointer`	20140724	20140622
3667028	`ref-karatsuba`	`clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer`	20140724	20140622
3669976	`ref-karatsuba`	`clang -O3 -fomit-frame-pointer`	20140724	20140622
13945360	`ref-karatsuba`	`gcc`	20140724	20140622
13951356	`ref-karatsuba`	`cc`	20140724	20140622
13952472	`ref-karatsuba`	`gcc -funroll-loops`	20140724	20140622

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: clang -O3 -fomit-frame-pointer

try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.

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

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

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: clang -O3 -fwrapv -march=native -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

bsparseconv.c: clang: warning: argument unused during compilation: '-fpolly'
bsparseconv.c: clang: warning: argument unused during compilation: '-fvectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fpolly'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fvectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
formatc.c: clang: warning: argument unused during compilation: '-fpolly'
formatc.c: clang: warning: argument unused during compilation: '-fvectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
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'
ntt.c: clang: warning: argument unused during compilation: '-fpolly'
ntt.c: clang: warning: argument unused during compilation: '-fvectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
sign.c: clang: warning: argument unused during compilation: '-fpolly'
sign.c: clang: warning: argument unused during compilation: '-fvectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.

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-karatsuba

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer

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-karatsuba

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
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

bsparseconv.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
bsparseconv.c: clang: warning: argument unused during compilation: '-mavx2'
bsparseconv.c: clang: warning: argument unused during compilation: '-mpclmul'
bsparseconv.c: clang: warning: argument unused during compilation: '-fpolly'
bsparseconv.c: clang: warning: argument unused during compilation: '-fvectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
fastrandombytes.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
fastrandombytes.c: clang: warning: argument unused during compilation: '-mavx2'
fastrandombytes.c: clang: warning: argument unused during compilation: '-mpclmul'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fpolly'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fvectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
formatc.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
formatc.c: clang: warning: argument unused during compilation: '-mavx2'
formatc.c: clang: warning: argument unused during compilation: '-mpclmul'
formatc.c: clang: warning: argument unused during compilation: '-fpolly'
formatc.c: clang: warning: argument unused during compilation: '-fvectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
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'
ntt.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
ntt.c: clang: warning: argument unused during compilation: '-mavx2'
ntt.c: clang: warning: argument unused during compilation: '-mpclmul'
ntt.c: clang: warning: argument unused during compilation: '-fpolly'
ntt.c: clang: warning: argument unused during compilation: '-fvectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
poly.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-mpclmul'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
sign.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
sign.c: clang: warning: argument unused during compilation: '-mavx2'
sign.c: clang: warning: argument unused during compilation: '-mpclmul'
sign.c: clang: warning: argument unused during compilation: '-fpolly'
sign.c: clang: warning: argument unused during compilation: '-fvectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.

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-karatsuba

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: clang -O3 -fwrapv -mavx2 -fomit-frame-pointer

bsparseconv.c: clang: warning: argument unused during compilation: '-mavx2'
fastrandombytes.c: clang: warning: argument unused during compilation: '-mavx2'
formatc.c: clang: warning: argument unused during compilation: '-mavx2'
hash.c: clang: warning: argument unused during compilation: '-mavx2'
ntt.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-mavx2'
sign.c: clang: warning: argument unused during compilation: '-mavx2'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.

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

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

Compiler output

Implementation: crypto_sign/pass863/ref-karatsuba
Compiler: clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

bsparseconv.c: clang: warning: argument unused during compilation: '-mavx2'
bsparseconv.c: clang: warning: argument unused during compilation: '-fpolly'
bsparseconv.c: clang: warning: argument unused during compilation: '-fvectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
bsparseconv.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
fastrandombytes.c: clang: warning: argument unused during compilation: '-mavx2'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fpolly'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fvectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
fastrandombytes.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
formatc.c: clang: warning: argument unused during compilation: '-mavx2'
formatc.c: clang: warning: argument unused during compilation: '-fpolly'
formatc.c: clang: warning: argument unused during compilation: '-fvectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
formatc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
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'
ntt.c: clang: warning: argument unused during compilation: '-mavx2'
ntt.c: clang: warning: argument unused during compilation: '-fpolly'
ntt.c: clang: warning: argument unused during compilation: '-fvectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
ntt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
sign.c: clang: warning: argument unused during compilation: '-mavx2'
sign.c: clang: warning: argument unused during compilation: '-fpolly'
sign.c: clang: warning: argument unused during compilation: '-fvectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
sign.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.

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-karatsuba