Implementation notes: amd64, par, crypto_hash/keccakc448

Computer: par
Architecture: amd64
CPU ID: GenuineIntel-000406c3-bfebfbff
SUPERCOP version: 20161026
Operation: crypto_hash
Primitive: keccakc448

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
34400	`opt64lcu24`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
34620	`opt64lcu24`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
34660	`opt64lcu24`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
34680	`opt64lcu24`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
34720	`opt64lcu6`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
34760	`x86_64_asm`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
34760	`x86_64_asm`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
34800	`x86_64_asm`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
34880	`x86_64_asm`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
34940	`x86_64_asm`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
34960	`x86_64_asm`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
34980	`opt64lcu6`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
35340	`opt64lcu6`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
35700	`opt64lcu6`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
36180	`opt64lcu6`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
36360	`opt64lcu24`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
36360	`opt64lcu24`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
36860	`opt64lcu6`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
37900	`opt64u6`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
38260	`opt64u6`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
38580	`opt64u6`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
38660	`inplace`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
38680	`simple`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
38680	`inplace`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
38840	`simple`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
39100	`simple`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
39540	`inplace`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
39600	`simple`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
39620	`inplace`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
40000	`opt64u6`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
40320	`inplace`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
40420	`opt64u6`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
40760	`simple`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
41220	`opt64u6`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
41320	`inplace`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
41780	`simple`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
49200	`sseu2`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
50240	`sseu2`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
51260	`sseu2`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
52400	`sseu2`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
54000	`sseu2`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
54400	`sseu2`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
58160	`mmxu1`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
58160	`mmxu1`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
59360	`mmxu1`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
59680	`mmxu1`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
64000	`mmxu1`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
64060	`mmxu1`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
64080	`compact`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
69580	`compact`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
76840	`opt32bi-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
80320	`opt32biT-s2lcu4`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
80620	`opt32biT-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
80740	`opt32bi-s2lcu4`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
81660	`opt32biT-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
82660	`opt32bi-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
83300	`opt32bi-s2lcu4`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
83640	`opt32biT-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
84460	`opt32bi-s2lcu4`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
84980	`opt32biT-s2lcu4`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
85360	`opt32biT-s2lcu4`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
87460	`compact`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
88000	`opt32bi-rvku2`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
88360	`opt32bi-s2lcu4`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
88840	`opt32bi-rvku2`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
90300	`opt32bi-rvku2`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
91340	`opt32bi-rvku2`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
94620	`opt32bi-rvku2`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
94800	`opt32bi-rvku2`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
110040	`opt64lcu24shld`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
110040	`opt64lcu24shld`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
110140	`opt64lcu24shld`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
110540	`opt64lcu24shld`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
110580	`x86_64_shld`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
110600	`x86_64_shld`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
110620	`x86_64_shld`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
110620	`x86_64_shld`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
110740	`x86_64_shld`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
110740	`x86_64_shld`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
111940	`opt64lcu24shld`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
111960	`opt64lcu24shld`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
157160	`compact`	`gcc -march=native -mcpu=native -Os`	20161214	20161026
159000	`compact`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
164140	`compact`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
240080	`compact8`	`gcc -funroll-loops -march=native -mcpu=native -O3`	20161214	20161026
259140	`compact8`	`gcc -march=native -mcpu=native -O3`	20161214	20161026
279880	`compact8`	`gcc -funroll-loops -march=native -mcpu=native -O2`	20161214	20161026
325100	`compact8`	`gcc -march=native -mcpu=native -O2`	20161214	20161026
360380	`compact8`	`gcc -funroll-loops -march=native -mcpu=native -Os`	20161214	20161026
370760	`compact8`	`gcc -march=native -mcpu=native -Os`	20161214	20161026

Compiler output

Implementation: crypto_hash/keccakc448/compact
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-compact.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	compact
gcc -funroll-loops -march=native -mcpu=native -O3	compact
gcc -funroll-loops -march=native -mcpu=native -Os	compact
gcc -march=native -mcpu=native -O2	compact
gcc -march=native -mcpu=native -O3	compact
gcc -march=native -mcpu=native -Os	compact

Compiler output

Implementation: crypto_hash/keccakc448/compact8
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-compact8.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	compact8
gcc -funroll-loops -march=native -mcpu=native -O3	compact8
gcc -funroll-loops -march=native -mcpu=native -Os	compact8
gcc -march=native -mcpu=native -O2	compact8
gcc -march=native -mcpu=native -O3	compact8
gcc -march=native -mcpu=native -Os	compact8

Compiler output

Implementation: crypto_hash/keccakc448/inplace
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-inplace.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	inplace
gcc -funroll-loops -march=native -mcpu=native -O3	inplace
gcc -funroll-loops -march=native -mcpu=native -Os	inplace
gcc -march=native -mcpu=native -O2	inplace
gcc -march=native -mcpu=native -O3	inplace
gcc -march=native -mcpu=native -Os	inplace

Compiler output

Implementation: crypto_hash/keccakc448/inplace32bi
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-inplace32BI.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
Keccak-inplace32BI.c: Keccak-inplace32BI.c: In function 'crypto_hash_keccakc448_inplace32bi':
Keccak-inplace32BI.c: Keccak-inplace32BI.c:73:6: error: #error "The output size must be a multiple of the lane size in this simple implementation."
Keccak-inplace32BI.c: #error "The output size must be a multiple of the lane size in this simple implementation."
Keccak-inplace32BI.c: ^~~~~

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	inplace32bi
gcc -funroll-loops -march=native -mcpu=native -O3	inplace32bi
gcc -funroll-loops -march=native -mcpu=native -Os	inplace32bi
gcc -march=native -mcpu=native -O2	inplace32bi
gcc -march=native -mcpu=native -O3	inplace32bi
gcc -march=native -mcpu=native -Os	inplace32bi

Compiler output

Implementation: crypto_hash/keccakc448/simple
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-simple.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	simple
gcc -funroll-loops -march=native -mcpu=native -O3	simple
gcc -funroll-loops -march=native -mcpu=native -Os	simple
gcc -march=native -mcpu=native -O2	simple
gcc -march=native -mcpu=native -O3	simple
gcc -march=native -mcpu=native -Os	simple

Compiler output

Implementation: crypto_hash/keccakc448/simple32bi
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

Keccak-simple32BI.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
Keccak-simple32BI.c: Keccak-simple32BI.c: In function 'crypto_hash_keccakc448_simple32bi':
Keccak-simple32BI.c: Keccak-simple32BI.c:73:6: error: #error "The output size must be a multiple of the lane size in this simple implementation."
Keccak-simple32BI.c: #error "The output size must be a multiple of the lane size in this simple implementation."
Keccak-simple32BI.c: ^~~~~

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	simple32bi
gcc -funroll-loops -march=native -mcpu=native -O3	simple32bi
gcc -funroll-loops -march=native -mcpu=native -Os	simple32bi
gcc -march=native -mcpu=native -O2	simple32bi
gcc -march=native -mcpu=native -O3	simple32bi
gcc -march=native -mcpu=native -Os	simple32bi

Compiler output

Implementation: crypto_hash/keccakc448/opt32bi-rvku2
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

KeccakF-1600-opt32.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakSponge.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
hash.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 18, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4
gcc -funroll-loops -march=native -mcpu=native -O3	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4
gcc -funroll-loops -march=native -mcpu=native -Os	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4
gcc -march=native -mcpu=native -O2	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4
gcc -march=native -mcpu=native -O3	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4
gcc -march=native -mcpu=native -Os	opt32bi-rvku2 opt32bi-s2lcu4 opt32biT-s2lcu4

Compiler output

Implementation: crypto_hash/keccakc448/xopu24
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

KeccakF-1600-opt64.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakF-1600-opt64.c: In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/include/x86intrin.h:54:0,
KeccakF-1600-opt64.c: from KeccakF-1600-opt64.c:74:
KeccakF-1600-opt64.c: KeccakF-1600-opt64.c: In function 'KeccakPermutationOnWords':
KeccakF-1600-opt64.c: /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/include/xopintrin.h:266:1: error: inlining failed in call to always_inline '_mm_roti_epi64': target specific option mismatch
KeccakF-1600-opt64.c: _mm_roti_epi64(__m128i __A, const int __B)
KeccakF-1600-opt64.c: ^~~~~~~~~~~~~~
KeccakF-1600-opt64.c: In file included from KeccakF-1600-opt64.c:130:0:
KeccakF-1600-opt64.c: KeccakF-1600-xop.macros:103:11: note: called from here
KeccakF-1600-opt64.c: Bsusa = ROL6464same(Bsusa, 2); \
KeccakF-1600-opt64.c:
KeccakF-1600-opt64.c: KeccakF-1600-xop.macros:123:36: note: in expansion of macro 'thetaRhoPiChiIotaPrepareTheta'
KeccakF-1600-opt64.c: #define thetaRhoPiChiIota(i, A, E) thetaRhoPiChiIotaPrepareTheta(i, A, E)
KeccakF-1600-opt64.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
KeccakF-1600-opt64.c: KeccakF-1600-unrolling.macros:40:5: note: in expansion of macro 'thetaRhoPiChiIota'
KeccakF-1600-opt64.c: thetaRhoPiChiIota(23, E, A) \
KeccakF-1600-opt64.c: ^~~~~~~~~~~~~~~~~
KeccakF-1600-opt64.c: KeccakF-1600-opt64.c:185:5: note: in expansion of macro 'rounds'
KeccakF-1600-opt64.c: rounds
KeccakF-1600-opt64.c: ^~~~~~
KeccakF-1600-opt64.c: In file included from /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/include/x86intrin.h:54:0,
KeccakF-1600-opt64.c: from KeccakF-1600-opt64.c:74:
KeccakF-1600-opt64.c: /usr/lib/gcc/x86_64-pc-linux-gnu/6.2.1/include/xopintrin.h:239:1: error: inlining failed in call to always_inline '_mm_rot_epi64': target specific option mismatch
KeccakF-1600-opt64.c: _mm_rot_epi64(__m128i __A, __m128i __B)
KeccakF-1600-opt64.c: ^~~~~~~~~~~~~
KeccakF-1600-opt64.c: ...

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	xopu24
gcc -funroll-loops -march=native -mcpu=native -O3	xopu24
gcc -funroll-loops -march=native -mcpu=native -Os	xopu24
gcc -march=native -mcpu=native -O2	xopu24
gcc -march=native -mcpu=native -O3	xopu24
gcc -march=native -mcpu=native -Os	xopu24

Compiler output

Implementation: crypto_hash/keccakc448/mmxu1
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

KeccakF-1600-opt64.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakSponge.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
hash.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 36, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2
gcc -funroll-loops -march=native -mcpu=native -O3	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2
gcc -funroll-loops -march=native -mcpu=native -Os	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2
gcc -march=native -mcpu=native -O2	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2
gcc -march=native -mcpu=native -O3	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2
gcc -march=native -mcpu=native -Os	mmxu1 opt64lcu24 opt64lcu24shld opt64lcu6 opt64u6 sseu2

Compiler output

Implementation: crypto_hash/keccakc448/x86_64_asm
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

KeccakF-1600-x86-64-asm.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakSponge.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
hash.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakF-1600-x86-64-gas.s: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	x86_64_asm
gcc -funroll-loops -march=native -mcpu=native -O3	x86_64_asm
gcc -funroll-loops -march=native -mcpu=native -Os	x86_64_asm
gcc -march=native -mcpu=native -O2	x86_64_asm
gcc -march=native -mcpu=native -O3	x86_64_asm
gcc -march=native -mcpu=native -Os	x86_64_asm

Compiler output

Implementation: crypto_hash/keccakc448/x86_64_shld
Compiler: gcc -funroll-loops -march=native -mcpu=native -O2

KeccakF-1600-x86-64-asm.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakSponge.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
hash.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
KeccakF-1600-x86-64-shld-gas.s: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
try.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead
measure.c: gcc: warning: '-mcpu=' is deprecated; use '-mtune=' or '-march=' instead

Number of similar (compiler,implementation) pairs: 6, namely:

Compiler	Implementations
gcc -funroll-loops -march=native -mcpu=native -O2	x86_64_shld
gcc -funroll-loops -march=native -mcpu=native -O3	x86_64_shld
gcc -funroll-loops -march=native -mcpu=native -Os	x86_64_shld
gcc -march=native -mcpu=native -O2	x86_64_shld
gcc -march=native -mcpu=native -O3	x86_64_shld
gcc -march=native -mcpu=native -Os	x86_64_shld