Implementation notes: amd64, genji239, crypto_aead/pi64cipher256v1

Computer: genji239
Architecture: amd64
CPU ID: GenuineIntel-00050654-bfebfbff
SUPERCOP version: 20191017
Operation: crypto_aead
Primitive: pi64cipher256v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
50790	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191020	20191017
50798	177611 0 256	196525 856 1184	`optimized_AVX2`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191020	20191017
50856	177611 0 256	189468 792 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
50860	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191020	20191017
50860	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191020	20191017
50864	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191020	20191017
50868	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191020	20191017
50874	177611 0 256	190892 808 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
50876	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191020	20191017
50882	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191020	20191017
50882	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191020	20191017
50882	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191020	20191017
50886	177611 0 256	193577 816 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
50886	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191020	20191017
50924	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191020	20191017
50928	177611 0 256	197085 856 1184	`optimized_AVX2`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191020	20191017
50946	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191020	20191017
50952	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191020	20191017
50958	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191020	20191017
50984	177611 0 256	194613 856 1184	`optimized_AVX2`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191020	20191017
51100	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191020	20191017
51118	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191020	20191017
51188	177611 0 256	196413 856 1184	`optimized_AVX2`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191020	20191017
51412	177611 0 256	194669 856 1184	`optimized_AVX2`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191020	20191017
51450	177611 0 256	196733 856 1184	`optimized_AVX2`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191020	20191017
51550	177611 0 256	190476 808 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
61778	174191 0 256	191189 856 1184	`optimized_AVX`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191020	20191017
61788	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191020	20191017
61800	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191020	20191017
61808	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191020	20191017
61808	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191020	20191017
61814	174191 0 256	186044 792 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
61814	174191 0 256	191245 856 1184	`optimized_AVX`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191020	20191017
61820	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191020	20191017
61822	174191 0 256	190153 816 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
61822	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191020	20191017
61828	174191 0 256	193101 856 1184	`optimized_AVX`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191020	20191017
61830	174191 0 256	187468 808 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
61846	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191020	20191017
61848	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191020	20191017
61856	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191020	20191017
61856	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191020	20191017
61862	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191020	20191017
61868	174191 0 256	187052 808 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
61874	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191020	20191017
61882	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191020	20191017
61894	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191020	20191017
61898	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191020	20191017
61940	174191 0 256	192989 856 1184	`optimized_AVX`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191020	20191017
61944	174191 0 256	193309 856 1184	`optimized_AVX`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191020	20191017
61978	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191020	20191017
62018	174191 0 256	193661 856 1184	`optimized_AVX`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191020	20191017
63088	184775 0 256	198052 808 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
63378	184775 0 256	196628 792 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
63378	184775 0 256	201773 856 1184	`optimized_SSE`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191020	20191017
63384	184775 0 256	200737 816 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
63392	184775 0 256	201829 856 1184	`optimized_SSE`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191020	20191017
63452	184775 0 256	197636 808 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191020	20191017
63460	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191020	20191017
63500	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191020	20191017
63524	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191020	20191017
63528	182903 0 256	201813 856 1184	`optimized_SSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191020	20191017
63546	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191020	20191017
63552	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191020	20191017
63558	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191020	20191017
63562	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191020	20191017
63588	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191020	20191017
63588	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191020	20191017
63590	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191020	20191017
63594	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191020	20191017
63596	182903 0 256	201701 856 1184	`optimized_SSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191020	20191017
63628	182903 0 256	202021 856 1184	`optimized_SSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191020	20191017
63634	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191020	20191017
63654	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191020	20191017
63656	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191020	20191017
63802	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191020	20191017
63834	182903 0 256	202373 856 1184	`optimized_SSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191020	20191017
64202	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191020	20191017
74540	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191020	20191017
74586	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191020	20191017
74592	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191020	20191017
74630	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191020	20191017
74644	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191020	20191017
74650	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191020	20191017
74650	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191020	20191017
74668	130480 0 0	149349 856 1184	`optimized_nonSSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191020	20191017
74722	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191020	20191017
74778	142688 0 0	161445 856 1184	`optimized_nonSSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191020	20191017
74794	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191020	20191017
74814	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191020	20191017
74828	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191020	20191017
74854	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191020	20191017
75258	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191020	20191017
75272	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191020	20191017
75314	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191020	20191017
75338	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191020	20191017
75446	129888 0 0	149285 856 1184	`optimized_nonSSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191020	20191017
75642	142144 0 0	161189 856 1184	`optimized_nonSSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191020	20191017
76298	119832 0 0	136757 856 1120	`optimized_nonSSE`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191020	20191017
77224	133792 0 0	150773 856 1120	`optimized_nonSSE`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191020	20191017
89172	59064 0 0	76045 856 992	`ref`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191020	20191017
89440	62072 0 0	80341 856 992	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191020	20191017
89540	62072 0 0	80341 856 992	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191020	20191017
89598	62072 0 0	80341 856 992	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191020	20191017
89770	62072 0 0	80341 856 992	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191020	20191017
90232	61424 0 0	79613 856 992	`ref`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191020	20191017
90368	61424 0 0	80181 856 1056	`ref`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191020	20191017
90428	61424 0 0	79613 856 992	`ref`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191020	20191017
90568	61072 0 0	80117 856 1056	`ref`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191020	20191017
90732	61424 0 0	79613 856 992	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191020	20191017
91370	61424 0 0	79613 856 992	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191020	20191017
92380	65296 0 0	83533 856 992	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191020	20191017
92450	65296 0 0	83533 856 992	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191020	20191017
92568	65296 0 0	83533 856 992	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191020	20191017
93432	65296 0 0	83533 856 992	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191020	20191017
94146	62360 0 0	79285 856 992	`ref`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191020	20191017
95216	65968 0 0	84557 856 992	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191020	20191017
95376	65968 0 0	84557 856 992	`ref`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191020	20191017
95444	65968 0 0	84557 856 992	`ref`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191020	20191017
95578	65568 0 0	84965 856 1056	`ref`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191020	20191017
95758	65968 0 0	84557 856 992	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191020	20191017
96378	65968 0 0	84837 856 1056	`ref`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191020	20191017

Test failure

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

error 111

Number of similar (compiler,implementation) pairs: 10, namely:

Compiler	Implementations
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	optimized_AVX
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	optimized_AVX
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	optimized_AVX2
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	optimized_AVX2
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	optimized_SSE
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	optimized_SSE
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	optimized_nonSSE
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	optimized_nonSSE
icc -march=cannonlake -mtune=cannonlake -O2 -fomit-frame-pointer	ref
icc -march=cannonlake -mtune=cannonlake -O3 -fomit-frame-pointer	ref

Test failure

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

error 111
crypto_aead_decrypt returns nonzero

Number of similar (compiler,implementation) pairs: 8, namely:

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