Implementation notes: amd64, pmnod076, crypto_sign/bluegemss128

Computer: pmnod076
Architecture: amd64
CPU ID: GenuineIntel-00050657-bfebfbff
SUPERCOP version: 20191017
Operation: crypto_sign
Primitive: bluegemss128

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
139019258	143952 0 0	138892 896 1600	`skylake`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191023	20191017
139338558	146976 0 0	141796 896 1600	`skylake`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191023	20191017
140726480	143024 0 0	142452 896 1632	`skylake`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191023	20191017
141140652	139456 0 0	139460 896 1632	`skylake`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191023	20191017
141573546	141712 0 0	139436 896 1600	`skylake`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191023	20191017
141574220	141712 0 0	139436 896 1600	`skylake`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191023	20191017
141704080	143952 0 0	138892 896 1600	`skylake`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191023	20191017
141708972	138552 0 0	136244 896 1600	`skylake`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191023	20191017
141725040	138552 0 0	136244 896 1600	`skylake`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191023	20191017
141790242	138552 0 0	136244 896 1600	`skylake`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191023	20191017
141831286	141712 0 0	139436 896 1600	`skylake`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191023	20191017
141858194	146960 0 0	141796 896 1600	`skylake`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191023	20191017
142035410	138552 0 0	136244 896 1600	`skylake`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191023	20191017
142187264	141712 0 0	139436 896 1600	`skylake`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191023	20191017
142459608	143968 0 0	138956 896 1600	`skylake`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191023	20191017
142746000	143968 0 0	138956 896 1600	`skylake`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191023	20191017
142921556	89700 0 0	98341 864 1632	`skylake`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
144432786	146960 0 0	141796 896 1600	`skylake`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191023	20191017
145610614	87568 0 0	96597 864 1632	`skylake`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
145819310	146976 0 0	141796 896 1600	`skylake`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191023	20191017
149914886	90037 0 0	98661 864 1632	`opt`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
150476224	140032 0 0	140036 896 1632	`opt`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191023	20191017
150701136	143600 0 0	143028 896 1632	`opt`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191023	20191017
151821600	78165 0 0	87909 856 1600	`skylake`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
152337838	138792 0 0	136468 896 1600	`opt`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191023	20191017
152828904	138792 0 0	136468 896 1600	`opt`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191023	20191017
152945860	138792 0 0	136468 896 1600	`opt`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191023	20191017
153044652	144208 0 0	139180 896 1600	`opt`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191023	20191017
153104796	144192 0 0	139180 896 1600	`opt`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191023	20191017
153210826	147552 0 0	142372 896 1600	`opt`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191023	20191017
153356600	142288 0 0	140012 896 1600	`opt`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191023	20191017
153695178	144208 0 0	139180 896 1600	`opt`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191023	20191017
153704946	144192 0 0	139180 896 1600	`opt`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191023	20191017
153760720	147536 0 0	142372 896 1600	`opt`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191023	20191017
153916506	147536 0 0	142372 896 1600	`opt`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191023	20191017
154112360	142288 0 0	140012 896 1600	`opt`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191023	20191017
155492280	147552 0 0	142372 896 1600	`opt`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191023	20191017
156196606	142288 0 0	140012 896 1600	`opt`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191023	20191017
158554814	87776 0 0	96789 864 1632	`opt`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
159011402	142288 0 0	140012 896 1600	`opt`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191023	20191017
159294238	138792 0 0	136468 896 1600	`opt`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191023	20191017
160009588	78383 0 0	88101 856 1600	`opt`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
160609946	103052 0 0	111725 864 1632	`skylake`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
171052652	103368 0 0	112045 864 1632	`opt`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
176723408	146904 0 0	146884 896 1632	`skylake`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191023	20191017
176735868	142416 0 0	142372 896 1632	`skylake`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191023	20191017
186100486	147480 0 0	147460 896 1632	`opt`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191023	20191017
186266402	142992 0 0	142948 896 1632	`opt`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191023	20191017
908241224	36339 112 7	1806258 4400 6776	`ref`	`g++_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
910397490	100384 56 28	1882910 8248 6856	`ref`	`icpc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191023	20191017
911052346	98240 56 28	1885030 8248 6920	`ref`	`icpc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191023	20191017
911496098	92528 56 28	1883566 8248 6856	`ref`	`icpc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191023	20191017
912516714	88736 56 28	1878958 8248 6856	`ref`	`icpc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191023	20191017
912661072	92528 56 28	1883566 8248 6856	`ref`	`icpc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191023	20191017
913155040	100400 56 28	1882910 8248 6856	`ref`	`icpc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191023	20191017
913367320	99120 56 28	1882118 8248 6856	`ref`	`icpc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191023	20191017
913888450	95256 56 28	1882190 8248 6920	`ref`	`icpc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191023	20191017
914660096	87744 56 28	1877838 8248 6856	`ref`	`icpc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191023	20191017
914760848	99136 56 28	1882118 8248 6856	`ref`	`icpc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191023	20191017
915078424	96832 56 28	1884086 8248 6920	`ref`	`icpc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191023	20191017
915431600	99136 56 28	1882118 8248 6856	`ref`	`icpc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191023	20191017
915702876	96360 56 28	1883238 8248 6920	`ref`	`icpc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191023	20191017
915809270	92528 56 28	1883566 8248 6856	`ref`	`icpc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191023	20191017
915844056	49614 112 7	1818850 4408 6776	`ref`	`g++_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
915974524	91344 56 28	1882262 8248 6856	`ref`	`icpc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191023	20191017
916305114	54392 112 7	1826918 4408 6776	`ref`	`g++_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
916454886	42325 112 7	1808986 4408 6776	`ref`	`g++_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191023	20191017
916660276	91344 56 28	1882262 8248 6856	`ref`	`icpc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191023	20191017
916702400	91344 56 28	1882262 8248 6856	`ref`	`icpc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191023	20191017
918229350	99120 56 28	1882118 8248 6856	`ref`	`icpc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191023	20191017
918845898	100384 56 28	1882910 8248 6856	`ref`	`icpc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191023	20191017
919697798	92528 56 28	1883566 8248 6856	`ref`	`icpc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191023	20191017
923573444	91344 56 28	1882262 8248 6856	`ref`	`icpc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191023	20191017
924930124	100400 56 28	1882910 8248 6856	`ref`	`icpc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191023	20191017

Test failure

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

error 111

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

Compiler	Implementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	opt
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	opt
icpc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	ref
icpc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	ref
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	skylake
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	skylake

Compiler output

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

chooseRootHFE_gf2nx.c: chooseRootHFE_gf2nx.c(65): warning #266: function "free" declared implicitly
chooseRootHFE_gf2nx.c: free(roots);
chooseRootHFE_gf2nx.c: ^
chooseRootHFE_gf2nx.c:
findRootsSplit_gf2nx.c: findRootsSplit_gf2nx.c(96): warning #266: function "malloc" declared implicitly
findRootsSplit_gf2nx.c: ALIGNED_MALLOC(poly_frob,UINT*,((deg<<1)-1)*NB_WORD_GFqn,sizeof(UINT));
findRootsSplit_gf2nx.c: ^
findRootsSplit_gf2nx.c:
findRootsSplit_gf2nx.c: findRootsSplit_gf2nx.c(129): warning #266: function "free" declared implicitly
findRootsSplit_gf2nx.c: free(poly_frob);
findRootsSplit_gf2nx.c: ^
findRootsSplit_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(31): warning #266: function "calloc" declared implicitly
findRoots_gf2nx.c: *roots=(UINT*)calloc(NB_WORD_GFqn,sizeof(UINT));
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(41): warning #266: function "calloc" declared implicitly
findRoots_gf2nx.c: ALIGNED_CALLOC(poly,UINT*,((df<<1)-1)*NB_WORD_GFqn,sizeof(UINT));
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(50): warning #266: function "free" declared implicitly
findRoots_gf2nx.c: free(poly);
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(76): warning #266: function "free" declared implicitly
findRoots_gf2nx.c: free(poly2);
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(85): warning #266: function "free" declared implicitly
findRoots_gf2nx.c: free(poly);
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(124): warning #266: function "calloc" declared implicitly
findRoots_gf2nx.c: ALIGNED_CALLOC(poly,UINT*,((HFEDeg<<1)-1)*NB_WORD_GFqn,sizeof(UINT));
findRoots_gf2nx.c: ^
findRoots_gf2nx.c:
findRoots_gf2nx.c: findRoots_gf2nx.c(133): warning #266: function "free" declared implicitly
findRoots_gf2nx.c: ...
frobeniusMap_gf2nx.c: frobeniusMap_gf2nx.c(276): warning #266: function "malloc" declared implicitly
frobeniusMap_gf2nx.c: table=(UINT*)malloc((KX*HFEDeg+POW_II)*NB_WORD_GFqn*sizeof(UINT));
frobeniusMap_gf2nx.c: ^
frobeniusMap_gf2nx.c:
frobeniusMap_gf2nx.c: frobeniusMap_gf2nx.c(291): warning #266: function "calloc" declared implicitly
frobeniusMap_gf2nx.c: Xqn_sqr=(UINT*)calloc(HFEDeg*NB_WORD_GFqn,sizeof(UINT));
frobeniusMap_gf2nx.c: ^
frobeniusMap_gf2nx.c:
frobeniusMap_gf2nx.c: frobeniusMap_gf2nx.c(344): warning #266: function "free" declared implicitly
frobeniusMap_gf2nx.c: free(table);
frobeniusMap_gf2nx.c: ^
frobeniusMap_gf2nx.c:
signHFE.c: signHFE.c(173): warning #266: function "malloc" declared implicitly
signHFE.c: ALIGNED_MALLOC(F,UINT*,NB_UINT_HFEPOLY,sizeof(UINT));
signHFE.c: ^
signHFE.c:
signHFE.c: signHFE.c(664): warning #266: function "free" declared implicitly
signHFE.c: free(F);
signHFE.c: ^
signHFE.c:
signHFE.c: signHFE.c(695): warning #266: function "free" declared implicitly
signHFE.c: free(F);
signHFE.c: ^
signHFE.c:
signHFE.c: signHFE.c(1268): warning #266: function "free" declared implicitly
signHFE.c: free(F);
signHFE.c: ^
signHFE.c:
signHFE.c: signHFE.c(1325): warning #266: function "free" declared implicitly
signHFE.c: free(F);
signHFE.c: ^
signHFE.c:

Number of similar (compiler,implementation) pairs: 44, namely:

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

Compiler output

Implementation: opt
Security model: unknown
Compiler: icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer

arith_gf2n.c: In file included from tools_gf2n.h(162),
arith_gf2n.c: from arith_gf2n.h(9),
arith_gf2n.c: from arith_gf2n.c(1):
arith_gf2n.c: mul_gf2x.h(17): catastrophic error: cannot open source file "gf2x/gf2x_mul1.h"
arith_gf2n.c: #include <gf2x/gf2x_mul1.h>
arith_gf2n.c: ^
arith_gf2n.c:
arith_gf2n.c: compilation aborted for arith_gf2n.c (code 4)

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

Compiler	Implementations
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer	opt
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer	opt
icc -march=corei7 -mtune=corei7 -O2 -fomit-frame-pointer	skylake
icc -march=corei7 -mtune=corei7 -O3 -fomit-frame-pointer	skylake