Implementation notes: amd64, genji262, crypto_sign/ed448goldilocks

Computer: genji262
Architecture: amd64
CPU ID: AuthenticAMD-00800f12-178bfbff
SUPERCOP version: 20191017
Operation: crypto_sign
Primitive: ed448goldilocks

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
893574	112376 24 21924	143958 992 23552	`amd64`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
904926	111232 24 21924	142758 992 23552	`amd64`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
935418	108712 24 21924	141566 992 23552	`amd64`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
935462	108712 24 21924	141566 992 23552	`amd64`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
937486	108712 24 21924	141566 992 23552	`amd64`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
942128	109824 24 21924	142710 992 23552	`amd64`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
942238	109824 24 21924	142710 992 23552	`amd64`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
943976	108712 24 21924	141566 992 23552	`amd64`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
944812	109824 24 21924	142710 992 23552	`amd64`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
953238	109824 24 21924	142710 992 23552	`amd64`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
991430	143512 24 21924	175078 992 23552	`64`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
992838	50022 24 21924	77171 944 23584	`amd64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
999570	102328 24 21924	135470 992 23552	`amd64`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191024	20191017
1000824	102328 24 21924	135470 992 23552	`amd64`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191024	20191017
1001198	102312 24 21924	135454 992 23552	`amd64`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191024	20191017
1004894	143472 24 21924	174998 992 23552	`64`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
1014970	103496 24 21924	136238 992 23552	`amd64`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191024	20191017
1018380	103496 24 21924	136238 992 23552	`amd64`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191024	20191017
1018974	102312 24 21924	135454 992 23552	`amd64`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191024	20191017
1019766	103496 24 21924	136238 992 23552	`amd64`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191024	20191017
1023418	143800 24 21924	176590 992 23552	`64`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191024	20191017
1024782	143800 24 21924	176590 992 23552	`64`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191024	20191017
1024958	142792 24 21924	175982 992 23552	`64`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191024	20191017
1030172	142792 24 21924	175982 992 23552	`64`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191024	20191017
1032328	143800 24 21924	176590 992 23552	`64`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191024	20191017
1033384	143800 24 21924	176590 992 23552	`64`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191024	20191017
1033736	142776 24 21924	175966 992 23552	`64`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191024	20191017
1038972	142776 24 21924	175966 992 23552	`64`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191024	20191017
1039698	103496 24 21924	136238 992 23552	`amd64`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191024	20191017
1054020	143776 24 21924	176694 992 23552	`64`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
1054680	143776 24 21924	176694 992 23552	`64`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
1056506	143776 24 21924	176694 992 23552	`64`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
1061060	143776 24 21924	176694 992 23552	`64`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
1066736	143640 24 21924	176526 992 23552	`64`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
1069398	143640 24 21924	176526 992 23552	`64`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
1069530	143640 24 21924	176526 992 23552	`64`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
1075426	143640 24 21924	176526 992 23552	`64`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
1231780	108132 24 21924	137227 944 23584	`64`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
1282116	37958 24 21924	64187 936 23552	`64`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
1301058	73518 24 21924	101235 944 23584	`64`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
1339360	68915 24 21924	96195 944 23584	`64`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
2135034	75985 24 18852	105051 944 20512	`32`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
2632982	48510 24 18852	74547 936 20480	`32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
2651946	147936 24 18852	179438 992 20480	`32`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191024	20191017
2690974	149176 24 18852	180734 992 20480	`32`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191024	20191017
2715834	60432 24 18852	88091 944 20512	`32`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017
2765884	144748 24 18852	177590 992 20480	`32`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191024	20191017
2769338	144748 24 18852	177590 992 20480	`32`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191024	20191017
2787686	144748 24 18852	177590 992 20480	`32`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191024	20191017
2802844	146164 24 18852	179038 992 20480	`32`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191024	20191017
2803790	146164 24 18852	179038 992 20480	`32`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191024	20191017
2805286	146164 24 18852	179038 992 20480	`32`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191024	20191017
2808432	146164 24 18852	179038 992 20480	`32`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191024	20191017
2835096	144748 24 18852	177590 992 20480	`32`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191024	20191017
3112582	57647 24 18852	84859 944 20512	`32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191024	20191017

Test failure

Implementation: 32
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer

error 111
crypto_sign_open returns nonzero

Number of similar (compiler,implementation) pairs: 11, namely:

Compiler	Implementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer	32
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer	32
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer	32
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer	32
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer	32
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer	32
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer	32
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer	32
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	amd64

Test failure

Implementation: 32
Security model: unknown
Compiler: icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer

error 111

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

Compiler	Implementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	32
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	32
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	32
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	32
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	32
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	32
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	64
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	64
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	64
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	64
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	64
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	64
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	amd64
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	amd64
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	amd64
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	amd64
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	amd64
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	amd64

Compiler output

Implementation: 32
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

barrett_field.c: In file included from barrett_field.c:5:
barrett_field.c: In file included from ./barrett_field.h:15:
barrett_field.c: In file included from ./word.h:28:
barrett_field.c: In file included from /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/immintrin.h:27:
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:55:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:61:72: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline void __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:68:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:74:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:84:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:90:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: /software/compilers/gcc/gcc-9.2.0-full+isl+binutils/lib/gcc/x86_64-pc-linux-gnu/9.2.0/include/mmintrin.h:97:74: warning: unknown attribute '__artificial__' ignored [-Wunknown-attributes]
barrett_field.c: extern __inline __m64 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
barrett_field.c: ^
barrett_field.c: ...

Number of similar (compiler,implementation) pairs: 20, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	32
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	32
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	32
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	32
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	32
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	64
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	64
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	64
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	64
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	amd64
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	neon
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	neon
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	neon
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	neon
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	neon

Compiler output

Implementation: neon
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

crandom.c: In file included from magic.h:15,
crandom.c: from crandom.c:11:
crandom.c: p448.h: In function 'p448_weak_reduce':
crandom.c: p448.h:314:14: warning: implicit declaration of function 'vshr_n_u32' [-Wimplicit-function-declaration]
crandom.c: 314 | tmp = vshr_n_u32(aa[7],28);
crandom.c: | ^~~~~~~~~~
crandom.c: p448.h:314:14: error: incompatible types when initializing type 'uint32x2_t' {aka '__vector(2) unsigned int'} using type 'int'
crandom.c: p448.h:318:17: warning: implicit declaration of function 'vsra_n_u32' [-Wimplicit-function-declaration]
crandom.c: 318 | aa[i] = vsra_n_u32(aa[i] & vmask, aa[i-1], 28);
crandom.c: | ^~~~~~~~~~
crandom.c: p448.h:318:17: error: incompatible types when assigning to type 'uint32x2_t' {aka '__vector(2) unsigned int'} from type 'int'
crandom.c: p448.h:320:31: warning: implicit declaration of function 'vrev64_u32' [-Wimplicit-function-declaration]
crandom.c: 320 | aa[0] = (aa[0] & vmask) + vrev64_u32(tmp) + (tmp&vm2);
crandom.c: | ^~~~~~~~~~

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	neon
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	neon
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	neon
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	neon

Compiler output

Implementation: neon
Security model: unknown
Compiler: icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer

crandom.c: In file included from magic.h(15),
crandom.c: from crandom.c(11):
crandom.c: p448.h(314): warning #266: function "vshr_n_u32" declared implicitly
crandom.c: tmp = vshr_n_u32(aa[7],28);
crandom.c: ^
crandom.c:
crandom.c: In file included from magic.h(15),
crandom.c: from crandom.c(11):
crandom.c: p448.h(314): error: a value of type "int" cannot be used to initialize an entity of type "uint32x2_t"
crandom.c: tmp = vshr_n_u32(aa[7],28);
crandom.c: ^
crandom.c:
crandom.c: In file included from magic.h(15),
crandom.c: from crandom.c(11):
crandom.c: p448.h(318): warning #266: function "vsra_n_u32" declared implicitly
crandom.c: aa[i] = vsra_n_u32(aa[i] & vmask, aa[i-1], 28);
crandom.c: ^
crandom.c:
crandom.c: In file included from magic.h(15),
crandom.c: from crandom.c(11):
crandom.c: p448.h(318): error: a value of type "int" cannot be assigned to an entity of type "uint32x2_t"
crandom.c: aa[i] = vsra_n_u32(aa[i] & vmask, aa[i-1], 28);
crandom.c: ^
crandom.c:
crandom.c: In file included from magic.h(15),
crandom.c: ...

Number of similar (compiler,implementation) pairs: 24, namely:

Compiler	Implementations
icc -march=broadwell -mtune=broadwell -O2 -fomit-frame-pointer	neon
icc -march=broadwell -mtune=broadwell -O3 -fomit-frame-pointer	neon
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	neon
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	neon
icc -march=core-avx-i -mtune=core-avx-i -O2 -fomit-frame-pointer	neon
icc -march=core-avx-i -mtune=core-avx-i -O3 -fomit-frame-pointer	neon
icc -march=core-avx2 -mtune=core-avx2 -O2 -fomit-frame-pointer	neon
icc -march=core-avx2 -mtune=core-avx2 -O3 -fomit-frame-pointer	neon
icc -march=corei7-avx -mtune=corei7-avx -O2 -fomit-frame-pointer	neon
icc -march=corei7-avx -mtune=corei7-avx -O3 -fomit-frame-pointer	neon
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer	neon
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer	neon
icc -march=haswell -mtune=haswell -O2 -fomit-frame-pointer	neon
icc -march=haswell -mtune=haswell -O3 -fomit-frame-pointer	neon
icc -march=icelake-client -mtune=icelake-client -O2 -fomit-frame-pointer	neon
icc -march=icelake-client -mtune=icelake-client -O3 -fomit-frame-pointer	neon
icc -march=ivybridge -mtune=ivybridge -O2 -fomit-frame-pointer	neon
icc -march=ivybridge -mtune=ivybridge -O3 -fomit-frame-pointer	neon
icc -march=sandybridge -mtune=sandybridge -O2 -fomit-frame-pointer	neon
icc -march=sandybridge -mtune=sandybridge -O3 -fomit-frame-pointer	neon
icc -march=skylake-avx512 -mtune=skylake-avx512 -O2 -fomit-frame-pointer	neon
icc -march=skylake-avx512 -mtune=skylake-avx512 -O3 -fomit-frame-pointer	neon
icc -march=skylake -mtune=skylake -O2 -fomit-frame-pointer	neon
icc -march=skylake -mtune=skylake -O3 -fomit-frame-pointer	neon