Official site


A written agreement is required before use (source code will be provided).
Free for academic use (paid use for commercial use)


Language: FORTRAN90
Operating environment: K supercomputer, CRAY-XT5, SGI-altix-UV, Hitachi SR11000, Linux clusters, etc.

Core Developers


Target substance/model

All real substances (solids and molecular systems) that can be subject to first-principles calculation.

Physical quantities that can be computed

Electron state, ground state energy, pair correlation function, density matrix, structural factor, and spin density


Electron state calculation using quantum Monte Carlo method


Parallel computing by MPI and OpenMP is supported. High-efficient operation by parallel computing using flat-MPI up to 530,000 nodes has been checked.
A version supporting GPGPU parallel computing exists, but has not been released.
J. Comput. Chem. 34, 83 (2013).
J. Comput. Chem. 32, 2264 (2011).

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