The Computing environment for the Energy-Resolved Neutron Imaging System

Nakatani, Takeshi ; Shinohara, Takenao   ; Kai, Tetsuya   ; Segawa, Mariko   

Construction of the Energy-Resolved Neutron Imaging System (RADEN) has started in 2012 at the beam line of BL22 in MLF of J-PARC. This is the first instrument, which is dedicated to the energy-resolved neutron imaging experiments using the pulsed neutron beam, in the world. Several components, such as beam line shields, a new beam shutter, in-shield devices, sample stages and many kinds of the detector system have been installed in 2013, and the first beam will be delivered in November 2014. The main feature of the computing environment is the mass data processing. RADEN will produce the image data which size is about 1TB/day and the computing environment must process this huge data. We will introduce two systems. One is the hierarchy storage system, which consists of the solid state disk and the hard disk connected with the optical fibre network. The other is the imaging analysis system, which consists many GPGPU cards communicated by GPU Direct with InfiniBand.