2 Highly Optimized Object-oriented Many-particle Dynamics -- Blue Edition
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51 // Maintainer: ndtrung
53 /*! \file TwoStepNVTRigidGPU.cuh
54 \brief Declares GPU kernel code for NVT rigid body integration on the GPU. Used by TwoStepNVTRigidGPU.
57 #include "ParticleData.cuh"
58 #include "RigidData.cuh"
59 #include "TwoStepNVERigidGPU.cuh"
61 #ifndef __TWO_STEP_NVT_RIGID_CUH__
62 #define __TWO_STEP_NVT_RIGID_CUH__
64 /*! Thermostat data structure
66 struct gpu_nvt_rigid_data
68 unsigned int n_bodies; //!< Number of rigid bodies
70 Scalar eta_dot_t0; //!< Thermostat translational velocity
71 Scalar eta_dot_r0; //!< Thermostat rotational velocity
73 Scalar *partial_Ksum_t; //!< NBlocks elements, each is a partial sum of m*v^2
74 Scalar *partial_Ksum_r; //!< NBlocks elements, each is a partial sum of L*w^2
75 Scalar *Ksum_t; //!< fully reduced Ksum_t on one GPU
76 Scalar *Ksum_r; //!< fully reduced Ksum_r on one GPU
79 //! Kernel driver for the first part of the NVT update called by TwoStepNVTRigidGPU
80 cudaError_t gpu_nvt_rigid_step_one( const gpu_rigid_data_arrays& rigid_data,
81 unsigned int *d_group_members,
82 unsigned int group_size,
85 const gpu_nvt_rigid_data &nvt_rdata,
88 //! Kernel driver for the Ksum reduction final pass called by TwoStepNVTRigidGPU
89 cudaError_t gpu_nvt_rigid_reduce_ksum(const gpu_nvt_rigid_data &nvt_rdata);
91 //! Kernel driver for the second part of the NVT update called by TwoStepNVTRigidGPU
92 cudaError_t gpu_nvt_rigid_step_two( const gpu_rigid_data_arrays& rigid_data,
93 unsigned int *d_group_members,
94 unsigned int group_size,
98 const gpu_nvt_rigid_data &nvt_rdata,
101 #endif // __TWO_STEP_NVT_RIGID_CUH__