Implementation notes: amd64, genji548, crypto_aead/pi64cipher256v1

Computer: genji548
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
50788	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191019	20191017
50800	177611 0 256	193577 816 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
50804	177611 0 256	196733 856 1184	`optimized_AVX2`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191019	20191017
50806	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191019	20191017
50812	177611 0 256	194613 856 1184	`optimized_AVX2`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191019	20191017
50816	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191019	20191017
50820	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191019	20191017
50832	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191019	20191017
50848	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191019	20191017
50852	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191019	20191017
50872	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191019	20191017
50888	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191019	20191017
50892	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191019	20191017
50912	177611 0 256	189468 792 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
50932	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191019	20191017
50934	177611 0 256	196525 856 1184	`optimized_AVX2`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191019	20191017
50944	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191019	20191017
50948	177611 0 256	190892 808 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
50980	177611 0 256	195957 856 1184	`optimized_AVX2`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191019	20191017
51030	177611 0 256	195925 856 1184	`optimized_AVX2`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191019	20191017
51032	177611 0 256	197085 856 1184	`optimized_AVX2`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191019	20191017
51092	177611 0 256	196309 856 1184	`optimized_AVX2`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191019	20191017
51126	177611 0 256	196413 856 1184	`optimized_AVX2`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191019	20191017
51170	177611 0 256	194669 856 1184	`optimized_AVX2`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191019	20191017
51204	177611 0 256	190476 808 1184	`optimized_AVX2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
61732	174191 0 256	193309 856 1184	`optimized_AVX`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191019	20191017
61754	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191019	20191017
61800	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191019	20191017
61812	174191 0 256	191189 856 1184	`optimized_AVX`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191019	20191017
61820	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191019	20191017
61834	174191 0 256	190153 816 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
61834	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191019	20191017
61836	174191 0 256	191245 856 1184	`optimized_AVX`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191019	20191017
61844	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191019	20191017
61846	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191019	20191017
61848	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191019	20191017
61848	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191019	20191017
61852	174191 0 256	192501 856 1184	`optimized_AVX`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191019	20191017
61862	174191 0 256	186044 792 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
61864	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191019	20191017
61868	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191019	20191017
61878	174191 0 256	192533 856 1184	`optimized_AVX`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191019	20191017
61878	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191019	20191017
61884	174191 0 256	187052 808 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
61884	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191019	20191017
61896	174191 0 256	192485 856 1184	`optimized_AVX`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191019	20191017
61908	174191 0 256	192885 856 1184	`optimized_AVX`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191019	20191017
61914	174191 0 256	187468 808 1184	`optimized_AVX`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
61922	174191 0 256	193101 856 1184	`optimized_AVX`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191019	20191017
62012	174191 0 256	193661 856 1184	`optimized_AVX`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191019	20191017
62136	174191 0 256	192989 856 1184	`optimized_AVX`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191019	20191017
63332	184775 0 256	200737 816 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
63396	184775 0 256	197636 808 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
63406	184775 0 256	198052 808 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
63428	184775 0 256	201829 856 1184	`optimized_SSE`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191019	20191017
63446	184775 0 256	201773 856 1184	`optimized_SSE`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191019	20191017
63454	184775 0 256	196628 792 1184	`optimized_SSE`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191019	20191017
63496	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191019	20191017
63538	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191019	20191017
63562	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191019	20191017
63564	182903 0 256	202373 856 1184	`optimized_SSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191019	20191017
63572	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191019	20191017
63574	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191019	20191017
63574	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191019	20191017
63582	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191019	20191017
63604	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191019	20191017
63610	182903 0 256	201245 856 1184	`optimized_SSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191019	20191017
63634	182903 0 256	202021 856 1184	`optimized_SSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191019	20191017
63638	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191019	20191017
63660	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191019	20191017
63660	182903 0 256	201813 856 1184	`optimized_SSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191019	20191017
63662	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191019	20191017
63664	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191019	20191017
63676	182903 0 256	201597 856 1184	`optimized_SSE`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191019	20191017
63694	182903 0 256	201701 856 1184	`optimized_SSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191019	20191017
63702	182903 0 256	201197 856 1184	`optimized_SSE`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191019	20191017
63794	182903 0 256	201213 856 1184	`optimized_SSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191019	20191017
67010	177611 0 256	195909 856 1184	`optimized_AVX2`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191019	20191017
74538	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191019	20191017
74562	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191019	20191017
74574	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191019	20191017
74608	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191019	20191017
74656	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191019	20191017
74662	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191019	20191017
74704	130480 0 0	149349 856 1184	`optimized_nonSSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191019	20191017
74730	142688 0 0	161445 856 1184	`optimized_nonSSE`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191019	20191017
74780	130480 0 0	149069 856 1120	`optimized_nonSSE`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191019	20191017
74830	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191019	20191017
74838	127008 0 0	145245 856 1120	`optimized_nonSSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191019	20191017
74874	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191019	20191017
74924	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191019	20191017
74926	142704 0 0	160893 856 1120	`optimized_nonSSE`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191019	20191017
75336	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191019	20191017
75364	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191019	20191017
75410	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191019	20191017
75514	129888 0 0	149285 856 1184	`optimized_nonSSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191019	20191017
75970	142144 0 0	161189 856 1184	`optimized_nonSSE`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191019	20191017
76116	140064 0 0	158333 856 1120	`optimized_nonSSE`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191019	20191017
76206	119832 0 0	136757 856 1120	`optimized_nonSSE`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191019	20191017
77208	133792 0 0	150773 856 1120	`optimized_nonSSE`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191019	20191017
88908	59064 0 0	76045 856 992	`ref`	`icc_-march=corei7_-mtune=corei7_-O3_-fomit-frame-pointer`	20191019	20191017
89508	62072 0 0	80341 856 992	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O3_-fomit-frame-pointer`	20191019	20191017
89530	62072 0 0	80341 856 992	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O3_-fomit-frame-pointer`	20191019	20191017
89550	62072 0 0	80341 856 992	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O3_-fomit-frame-pointer`	20191019	20191017
89570	62072 0 0	80341 856 992	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O3_-fomit-frame-pointer`	20191019	20191017
90232	61424 0 0	79613 856 992	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O3_-fomit-frame-pointer`	20191019	20191017
90292	61424 0 0	79613 856 992	`ref`	`icc_-march=skylake_-mtune=skylake_-O3_-fomit-frame-pointer`	20191019	20191017
90372	61424 0 0	80181 856 1056	`ref`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O3_-fomit-frame-pointer`	20191019	20191017
90482	61424 0 0	79613 856 992	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O3_-fomit-frame-pointer`	20191019	20191017
90576	61072 0 0	80117 856 1056	`ref`	`icc_-march=icelake-client_-mtune=icelake-client_-O3_-fomit-frame-pointer`	20191019	20191017
90774	61424 0 0	79613 856 992	`ref`	`icc_-march=haswell_-mtune=haswell_-O3_-fomit-frame-pointer`	20191019	20191017
92428	65296 0 0	83533 856 992	`ref`	`icc_-march=corei7-avx_-mtune=corei7-avx_-O2_-fomit-frame-pointer`	20191019	20191017
92444	65296 0 0	83533 856 992	`ref`	`icc_-march=sandybridge_-mtune=sandybridge_-O2_-fomit-frame-pointer`	20191019	20191017
92478	65296 0 0	83533 856 992	`ref`	`icc_-march=ivybridge_-mtune=ivybridge_-O2_-fomit-frame-pointer`	20191019	20191017
93022	62360 0 0	79285 856 992	`ref`	`icc_-march=corei7_-mtune=corei7_-O2_-fomit-frame-pointer`	20191019	20191017
93616	65296 0 0	83533 856 992	`ref`	`icc_-march=core-avx-i_-mtune=core-avx-i_-O2_-fomit-frame-pointer`	20191019	20191017
95328	65968 0 0	84557 856 992	`ref`	`icc_-march=broadwell_-mtune=broadwell_-O2_-fomit-frame-pointer`	20191019	20191017
95342	65968 0 0	84557 856 992	`ref`	`icc_-march=haswell_-mtune=haswell_-O2_-fomit-frame-pointer`	20191019	20191017
95376	65968 0 0	84557 856 992	`ref`	`icc_-march=core-avx2_-mtune=core-avx2_-O2_-fomit-frame-pointer`	20191019	20191017
95446	65968 0 0	84557 856 992	`ref`	`icc_-march=skylake_-mtune=skylake_-O2_-fomit-frame-pointer`	20191019	20191017
95608	65968 0 0	84837 856 1056	`ref`	`icc_-march=skylake-avx512_-mtune=skylake-avx512_-O2_-fomit-frame-pointer`	20191019	20191017
95650	65568 0 0	84965 856 1056	`ref`	`icc_-march=icelake-client_-mtune=icelake-client_-O2_-fomit-frame-pointer`	20191019	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