DATASET NAME: NYX

DATASET OWNER’S NAME AND CONTACT: Sheng Di or Zarija, sdi1@anl.gov

ARRAY DIMENSION: 3D

Dimension sizes: 512x512x512

DATA NATURE (INTEGER or DECIMAL,…): CECIMAL
PHYSICAL DESCRIPTION OF THE DATASET: 
compressible cosmological hydrodynamics simulation code (Nyx): https://ccse.lbl.gov/Research/NYX/ 
The Nyx simulation data are post-analysis data composed of 3D arrays in space (such as dark matter density and temperature).

ENDIAN FORMAT: Little endian
PRECISION (DOUBLE, SINGLE): single-precsion

More description: 

             		min    avg    max  range entropy
velocity x 		-50417k 353.9 31867k 82283k 7.36
velocity y 		-43933k 52.97 56506k 100438k 7.39
velocity z 		-38938k -65.7 33386k 72324k 7.37
temperature 		2281 8453.3 4783k 4780k 7.01
dark matter density 	0 1 13779 13779 7.19
baryon density 		0.0580 1 115863 115862 7.1

Some datasets such as the dark matter density of NYX are better to be transformed to log-scale because they have very large value ranges while a large majority of data are fairly small (close to 1 or 0). 
So, we put two versions of the datasets in the benchmark (original data and log-scale data).