I am trying to have Python 64-bit with ArcGIS so that I can use my entire RAM when doing data analysis. Apparently ArcGIS 10.2.2 Desktop comes just with 'Python 32-bit'.
Should I install a fresh Python 64-bit and import arcpy from there?
Is that going to work?
I need to use arcpy and scipy libraries for my data analysis and I need to call both of these libraries in my Python code.
Is there a better way to run 'Python 64-bit' with ArcGIS?
Answer
64-bit Background Geoprocessing with ArcGIS
64-bit Background Geoprocessing installs a 64-bit version of Python 2.7.2, NumPy and Matplotlib if they are not already installed. By default they will be installed to C:\Python27\ArcGISx6410.1 (note the x64 in the path), an additional install from the 32-bit Python (C:\Python27\ArcGIS10.1) that Desktop and Engine install and use
source: http://blogs.esri.com/esri/arcgis/2012/11/12/python-scripting-with-64-bit-processing/
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