In depth SIMD level

CPU instruction support

SSE2

• Intel Pentium 4 - 2001
• AMD Opteron/Athlon - 2003

SEE4.1

• Intel Penryn - 2007
• AMD Bulldozer - Q4 2011

AVX

• Intel Sandy Bridge - Q1 2011
• AMD Bulldozer - Q4 2011

AVX2

• Intel Haswell - Q2 2013
• AMD Carrizo - Q2 2015

FMA3

• Intel Haswell - Q2 2013
• AMD Piledriver - 2012

AVX512

• Not available to consumers yet

Performance Comparisons

Timings below are x1000 ns to generate 32x32x32 points of noise on a single thread.

• CPU: Intel Xeon Skylake @ 2.0Ghz
• Compiler: Intel 17.0 x64

Noise Type	AVX512	AVX2	SSE4.1	SSE2	FastNoise	FastNoise 2D
White Noise	7	9	16	29	141	111
Value	92	152	324	436	642	361
Value Fractal	290	476	1035	1362	2061	1101
Perlin	147	324	592	795	1002	473
Perlin Fractal	453	989	1818	2420	3209	1493
Simplex	129	294	548	604	1194	883
Simplex Fractal	399	895	1689	1839	2880	2589
Cellular	851	1283	2679	2959	2979	1074
Cubic	615	952	1970	3516	2979	858
Cubic Fractal	1860	2873	5957	10604	9583	2849
CF Sampled 1	360	537	1011	1708
CF Sampled 2	76	146	235	340
CF Sampled 3	37	90	123	142

CF (Cubic Fractal) Sampled {sampling level}: Comparison of performance increases with different levels of sampling