mirror of https://github.com/lammps/lammps.git
121 lines
3.9 KiB
Plaintext
121 lines
3.9 KiB
Plaintext
/* ----------------------------------------------------------------------
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LAMMPS-Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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/* ----------------------------------------------------------------------
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Contributing authors: Mike Brown (ORNL), brownw@ornl.gov
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------------------------------------------------------------------------- */
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/*************************************************************************
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Preprocessor Definitions
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Note: It is assumed that constants with the same names are defined with
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the same values in all files.
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ARCH
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Definition: Architecture number for accelerator
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MEM_THREADS
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Definition: Number of threads with sequential ids accessing memory
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simultaneously on multiprocessor
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WARP_SIZE:
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Definition: Number of threads guaranteed to be on the same instruction
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THREADS_PER_ATOM
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Definition: Default number of threads assigned per atom for pair styles
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Restructions: Must be power of 2; THREADS_PER_ATOM<=WARP_SIZE
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THREADS_PER_CHARGE
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Definition: Default number of threads assigned per atom for pair styles
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with charge
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Restructions: Must be power of 2; THREADS_PER_ATOM<=WARP_SIZE
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PPPM_MAX_SPLINE
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Definition: Maximum order for splines in PPPM
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PPPM_BLOCK_1D
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Definition: Thread block size for PPPM kernels
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Restrictions: PPPM_BLOCK_1D>=PPPM_MAX_SPLINE*PPPM_MAX_SPLINE
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PPPM_BLOCK_1D%32==0
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BLOCK_PAIR
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Definition: Default thread block size for pair styles
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Restrictions:
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MAX_SHARED_TYPES 8
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Definition: Max number of atom type params can be stored in shared memory
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Restrictions: MAX_SHARED_TYPES*MAX_SHARED_TYPES<=BLOCK_PAIR
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BLOCK_CELL_2D
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Definition: Default block size in each dimension for cell list builds
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and matrix transpose
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BLOCK_CELL_ID
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Definition: Default block size for binning atoms in cell list builds
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BLOCK_NBOR_BUILD
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Definition: Default block size for neighbor list builds
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BLOCK_BIO_PAIR
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Definition: Default thread block size for "bio" pair styles
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MAX_BIO_SHARED_TYPES
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Definition: Max number of atom type params can be stored in shared memory
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Restrictions: MAX_BIO_SHARED_TYPES<=BLOCK_BIO_PAIR*2 &&
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MAX_BIO_SHARED_TYPES>=BLOCK_BIO_PAIR
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*************************************************************************/
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#ifndef PAIR_GPU_DEV_KERNEL
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#define PAIR_GPU_DEV_KERNEL
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#ifdef NV_KERNEL
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#include "nv_kernel_def.h"
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#else
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#define GLOBAL_ID_X get_global_id(0)
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#define ARCH 0
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#define DRIVER 0
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#define MEM_THREADS 16
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#define WARP_SIZE 1
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#define THREADS_PER_ATOM 1
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#define THREADS_PER_CHARGE 1
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#define BLOCK_PAIR 64
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#define MAX_SHARED_TYPES 8
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#define BLOCK_NBOR_BUILD 64
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#define BLOCK_BIO_PAIR 64
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#endif
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#define PPPM_MAX_SPLINE 8
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#define PPPM_BLOCK_1D 64
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#define BLOCK_CELL_2D 8
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#define BLOCK_CELL_ID 128
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#define MAX_BIO_SHARED_TYPES 128
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__kernel void kernel_zero(__global int *mem, int numel) {
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int ii=GLOBAL_ID_X;
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if (ii<numel)
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mem[ii]=0;
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}
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__kernel void kernel_info(__global int *info) {
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info[0]=ARCH;
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info[1]=MEM_THREADS;
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info[2]=WARP_SIZE;
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info[3]=THREADS_PER_ATOM;
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info[4]=PPPM_MAX_SPLINE;
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info[5]=PPPM_BLOCK_1D;
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info[6]=BLOCK_PAIR;
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info[7]=MAX_SHARED_TYPES;
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info[8]=BLOCK_CELL_2D;
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info[9]=BLOCK_CELL_ID;
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info[10]=BLOCK_NBOR_BUILD;
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info[11]=BLOCK_BIO_PAIR;
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info[12]=MAX_BIO_SHARED_TYPES;
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info[13]=THREADS_PER_CHARGE;
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}
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#endif
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