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CloverCL.h
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CloverCL.h
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/*Crown Copyright 2012 AWE.
*
* This file is part of CloverLeaf.
*
* CloverLeaf is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your option)
* any later version.
*
* CloverLeaf is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* CloverLeaf. If not, see http://www.gnu.org/licenses/. */
/**
* @brief CloverCL static class header file.
* @author Andrew Mallinson, David Beckingsale
* @details Contains common functionality required by all OCL kernels
*/
#ifndef CLOVER_CL_H_
#define CLOVER_CL_H_
#define __CL_ENABLE_EXCEPTIONS
#include <CL/cl.hpp>
#include <string>
/**
* @class CloverCL
*
* Class to wrap OpenCL functions, providing consistent access to devices,
* contexts, kernels etc. throughout the code.
*/
class CloverCL {
public:
CloverCL();
virtual ~CloverCL ();
//static int const fixed_wg_min_size_large_dim = WG_SIZE_X; // x value passed in by preprocessor
//static int const fixed_wg_min_size_small_dim = WG_SIZE_Y; // y value passed in by preprocessor
static int const local_wg_x_idealgas = WG_SIZE_X_IDEALGAS;
static int const local_wg_y_idealgas = WG_SIZE_Y_IDEALGAS;
static int const local_wg_x_accelerate = WG_SIZE_X_ACCELERATE;
static int const local_wg_y_accelerate = WG_SIZE_Y_ACCELERATE;
static int const local_wg_x_viscosity = WG_SIZE_X_VISCOSITY;
static int const local_wg_y_viscosity = WG_SIZE_Y_VISCOSITY;
static int const local_wg_x_fluxcalc = WG_SIZE_X_FLUXCALC;
static int const local_wg_y_fluxcalc = WG_SIZE_Y_FLUXCALC;
static int const local_wg_x_reset = WG_SIZE_X_RESET;
static int const local_wg_y_reset = WG_SIZE_Y_RESET;
static int const local_wg_x_revert = WG_SIZE_X_REVERT;
static int const local_wg_y_revert = WG_SIZE_Y_REVERT;
static int const local_wg_x_pdv = WG_SIZE_X_PDV;
static int const local_wg_y_pdv = WG_SIZE_Y_PDV;
static int const local_wg_x_adveccell_xdir_sec1s1 = WG_SIZE_X_ADVECCELL_XDIR_SEC1S1;
static int const local_wg_y_adveccell_xdir_sec1s1 = WG_SIZE_Y_ADVECCELL_XDIR_SEC1S1;
static int const local_wg_x_adveccell_xdir_sec1s2 = WG_SIZE_X_ADVECCELL_XDIR_SEC1S2;
static int const local_wg_y_adveccell_xdir_sec1s2 = WG_SIZE_Y_ADVECCELL_XDIR_SEC1S2;
static int const local_wg_x_adveccell_xdir_sec2 = WG_SIZE_X_ADVECCELL_XDIR_SEC2;
static int const local_wg_y_adveccell_xdir_sec2 = WG_SIZE_Y_ADVECCELL_XDIR_SEC2;
static int const local_wg_x_adveccell_xdir_sec3 = WG_SIZE_X_ADVECCELL_XDIR_SEC3;
static int const local_wg_y_adveccell_xdir_sec3 = WG_SIZE_Y_ADVECCELL_XDIR_SEC3;
static int const local_wg_x_adveccell_ydir_sec1s1 = WG_SIZE_X_ADVECCELL_YDIR_SEC1S1;
static int const local_wg_y_adveccell_ydir_sec1s1 = WG_SIZE_Y_ADVECCELL_YDIR_SEC1S1;
static int const local_wg_x_adveccell_ydir_sec1s2 = WG_SIZE_X_ADVECCELL_YDIR_SEC1S2;
static int const local_wg_y_adveccell_ydir_sec1s2 = WG_SIZE_Y_ADVECCELL_YDIR_SEC1S2;
static int const local_wg_x_adveccell_ydir_sec2 = WG_SIZE_X_ADVECCELL_YDIR_SEC2;
static int const local_wg_y_adveccell_ydir_sec2 = WG_SIZE_Y_ADVECCELL_YDIR_SEC2;
static int const local_wg_x_adveccell_ydir_sec3 = WG_SIZE_X_ADVECCELL_YDIR_SEC3;
static int const local_wg_y_adveccell_ydir_sec3 = WG_SIZE_Y_ADVECCELL_YDIR_SEC3;
static int const local_wg_x_advecmom_vol = WG_SIZE_X_ADVECMOM_VOL;
static int const local_wg_y_advecmom_vol = WG_SIZE_Y_ADVECMOM_VOL;
static int const local_wg_x_advecmom_node_x = WG_SIZE_X_ADVECMOM_NODE_X;
static int const local_wg_y_advecmom_node_x = WG_SIZE_Y_ADVECMOM_NODE_X;
static int const local_wg_x_advecmom_node_mass_pre_x = WG_SIZE_X_ADVECMOM_NODE_MASS_PRE_X;
static int const local_wg_y_advecmom_node_mass_pre_x = WG_SIZE_Y_ADVECMOM_NODE_MASS_PRE_X;
static int const local_wg_x_advecmom_flux_vec1_x = WG_SIZE_X_ADVECMOM_FLUX_VEC1_X;
static int const local_wg_y_advecmom_flux_vec1_x = WG_SIZE_Y_ADVECMOM_FLUX_VEC1_X;
static int const local_wg_x_advecmom_flux_notvec1_x = WG_SIZE_X_ADVECMOM_FLUX_NOTVEC1_X;
static int const local_wg_y_advecmom_flux_notvec1_x = WG_SIZE_Y_ADVECMOM_FLUX_NOTVEC1_X;
static int const local_wg_x_advecmom_vel_x = WG_SIZE_X_ADVECMOM_VEL_X;
static int const local_wg_y_advecmom_vel_x = WG_SIZE_Y_ADVECMOM_VEL_X;
static int const local_wg_x_advecmom_node_y = WG_SIZE_X_ADVECMOM_NODE_Y;
static int const local_wg_y_advecmom_node_y = WG_SIZE_Y_ADVECMOM_NODE_Y;
static int const local_wg_x_advecmom_node_mass_pre_y = WG_SIZE_X_ADVECMOM_NODE_MASS_PRE_Y;
static int const local_wg_y_advecmom_node_mass_pre_y = WG_SIZE_Y_ADVECMOM_NODE_MASS_PRE_Y;
static int const local_wg_x_advecmom_flux_vec1_y = WG_SIZE_X_ADVECMOM_FLUX_VEC1_Y;
static int const local_wg_y_advecmom_flux_vec1_y = WG_SIZE_Y_ADVECMOM_FLUX_VEC1_Y;
static int const local_wg_x_advecmom_flux_notvec1_y = WG_SIZE_X_ADVECMOM_FLUX_NOTVEC1_Y;
static int const local_wg_y_advecmom_flux_notvec1_y = WG_SIZE_Y_ADVECMOM_FLUX_NOTVEC1_Y;
static int const local_wg_x_advecmom_vel_y = WG_SIZE_X_ADVECMOM_VEL_Y;
static int const local_wg_y_advecmom_vel_y = WG_SIZE_Y_ADVECMOM_VEL_Y;
static int const local_wg_largedim_updatehalo = WG_SIZE_LARGEDIM_UPDATEHALO;
static int const local_wg_smalldim_updatehalo = WG_SIZE_SMALLDIM_UPDATEHALO;
static int const local_wg_largedim_comms = WG_SIZE_LARGEDIM_COMMS;
static int const local_wg_smalldim_comms = WG_SIZE_SMALLDIM_COMMS;
static int const local_wg_x_calcdt_fieldsumm = WG_SIZE_X_CALCDT_FIELDSUMM;
static int const local_wg_y_calcdt_fieldsumm = WG_SIZE_Y_CALCDT_FIELDSUMM;
static int const local_wg_x_reduction = WG_SIZE_X_REDUCTION;
static int const cpu_reduction_first_level_wgs= CPU_REDUCTION_NUM_FIRST_LEVEL_WGS;
static int xmax_plusfour_rounded_updatehalo;
static int xmax_plusfive_rounded_updatehalo;
static int ymax_plusfour_rounded_updatehalo;
static int ymax_plusfive_rounded_updatehalo;
static int xmax_plusfour_rounded_comms;
static int xmax_plusfive_rounded_comms;
static int ymax_plusfour_rounded_comms;
static int ymax_plusfive_rounded_comms;
static bool initialised;
static cl::Platform platform;
static cl::Context context;
static cl::Device device;
static cl::CommandQueue queue;
static cl::CommandQueue outoforder_queue;
static cl::Program program;
static int const chunk_left = 1;
static int const chunk_right = 2;
static int const chunk_bottom = 3;
static int const chunk_top = 4;
static int const external_face=-1;
static int const field_density0 = 1;
static int const field_density1 = 2;
static int const field_energy0 = 3;
static int const field_energy1 = 4;
static int const field_pressure = 5;
static int const field_viscosity = 6;
static int const field_soundspeed = 7;
static int const field_xvel0 = 8;
static int const field_xvel1 = 9;
static int const field_yvel0 =10;
static int const field_yvel1 =11;
static int const field_vol_flux_x =12;
static int const field_vol_flux_y =13;
static int const field_mass_flux_x=14;
static int const field_mass_flux_y=15;
static int const num_fields =15;
static const double NS_TO_SECONDS = 1e-9;
static const double US_TO_SECONDS = 1e-6;
static const int FIELD_DENSITY0 = 1;
static const int FIELD_DENSITY1 = 2;
static const int FIELD_ENERGY0 = 3;
static const int FIELD_ENERGY1 = 4;
static const int FIELD_PRESSURE = 5;
static const int FIELD_VISCOSITY = 6;
static const int FIELD_SOUNDSPEED = 7;
static const int FIELD_XVEL0 = 8;
static const int FIELD_XVEL1 = 9;
static const int FIELD_YVEL0 =10;
static const int FIELD_YVEL1 =11;
static const int FIELD_VOL_FLUX_X =12;
static const int FIELD_VOL_FLUX_Y =13;
static const int FIELD_MASS_FLUX_X=14;
static const int FIELD_MASS_FLUX_Y=15;
static size_t prefer_wg_multiple;
static size_t max_reduction_wg_size;
static cl_uint device_procs;
static size_t device_max_wg_size;
static cl_ulong device_local_mem_size;
static cl_device_type device_type;
static int number_of_red_levels;
static cl::Event last_event;
static int mpi_rank;
static int xmax_c;
static int ymax_c;
static void init(std::string platform_name, std::string platform_type,
int x_min, int x_max, int y_min, int y_max,
int num_states, double g_small, double g_big,
double dtmin, double dtc_safe, double dtu_safe,
double dtv_safe, double dtdiv_safe);
static void determineWorkGroupSizeInfo();
static void calculateKernelLaunchParams(int x_max, int y_max);
static void allocateReductionInterBuffers();
static void allocateLocalMemoryObjects();
static void calculateReductionStructure( int xmax, int ymax);
static void build_reduction_kernel_objects();
static void printDeviceInformation();
static void initPlatform(std::string name);
static void initContext(std::string preferred_type);
static void initDevice(int id);
static void initCommandQueue();
static void loadProgram(int xmin, int xmax, int ymin, int ymax);
static void createBuffers( int x_max, int y_max, int num_states);
static void checkErr( cl_int err, std::string name);
static void reportError( cl::Error err, std::string message);
static void readVisualisationBuffers(int x_max, int y_max,
double* vertexx, double* vertexy,
double* density0, double* energy0,
double* pressure, double* viscosity,
double* xvel0, double* yvel0);
static void readCommunicationBuffer(int* xmin, int* xmax,
int* ymin, int* ymax,
int* depth,
int* xinc, int* yinc,
int* field_name, double* buffer,
int* which_edge);
static void writeCommunicationBuffer(int* xmin, int* xmax,
int* ymin, int* ymax,
int* depth,
int* xinc, int* yinc,
int* field_name, double* buffer,
int* which_edge);
static void readAllCommunicationBuffers(int* x_max, int* y_max,
double* denisty0, double* density1,
double* energy0, double* energy1,
double* pressure, double* viscosity,
double* soundspeed,
double* xvel0, double* xvel1,
double* yvel0, double* yvel1,
double* vol_flux_x, double* vol_flux_y,
double* mass_flux_x, double* mass_flux_y);
static void writeAllCommunicationBuffers(int* x_max, int* y_max,
double* denisty0, double* density1,
double* energy0, double* energy1,
double* pressure, double* viscosity,
double* soundspeed,
double* xvel0, double* xvel1,
double* yvel0, double* yvel1,
double* vol_flux_x, double* vol_flux_y,
double* mass_flux_x, double* mass_flux_y);
static void enqueueKernel_nooffsets_localwg(cl::Kernel kernel, int num_x, int num_y, int wg_x, int wg_y);
static void enqueueKernel_nooffsets_recordevent_localwg(cl::Kernel kernel, int num_x, int num_y, int wg_x, int wg_y);
static void enqueueKernel( cl::Kernel kernel, int x_min, int x_max, int y_min, int y_max);
static void enqueueKernel( cl::Kernel kernel, int min, int max);
static void initialiseKernelArgs(int x_min, int x_max, int y_min, int y_max,
double g_small, double g_big, double dtmin,
double dtc_safe, double dtu_safe, double dtv_safe, double dtdiv_safe);
static std::string errToString(cl_int err);
static void read_back_all_ocl_buffers(double* density0, double* density1, double* energy0, double* energy1,
double* pressure, double* viscosity, double* soundspeed,
double* xvel0, double* xvel1, double* yvel0, double* yvel1,
double* vol_flux_x, double* mass_flux_x,
double* vol_flux_y, double* mass_flux_y,
double* celldx, double* celldy, double* volume );
static void write_back_all_ocl_buffers(double* density0, double* density1, double* energy0, double* energy1,
double* pressure, double* viscosity, double* soundspeed,
double* xvel0, double* xvel1, double* yvel0, double* yvel1,
double* vol_flux_x, double* mass_flux_x,
double* vol_flux_y, double* mass_flux_y,
double* celldx, double* celldy, double* volume );
static void dumpBinary();
static void print_profile_stats();
static void zero_profiling_timers();
static cl::Buffer density0_buffer;
static cl::Buffer density1_buffer;
static cl::Buffer energy0_buffer;
static cl::Buffer energy1_buffer;
static cl::Buffer pressure_buffer;
static cl::Buffer soundspeed_buffer;
static cl::Buffer celldx_buffer;
static cl::Buffer celldy_buffer;
static cl::Buffer viscosity_buffer;
static cl::Buffer xvel0_buffer;
static cl::Buffer yvel0_buffer;
static cl::Buffer xvel1_buffer;
static cl::Buffer yvel1_buffer;
static cl::Buffer vol_flux_x_buffer;
static cl::Buffer vol_flux_y_buffer;
static cl::Buffer mass_flux_x_buffer;
static cl::Buffer mass_flux_y_buffer;
static cl::Buffer volume_buffer;
static cl::Buffer vertexdx_buffer;
static cl::Buffer vertexx_buffer;
static cl::Buffer vertexdy_buffer;
static cl::Buffer vertexy_buffer;
static cl::Buffer cellx_buffer;
static cl::Buffer celly_buffer;
static cl::Buffer xarea_buffer;
static cl::Buffer yarea_buffer;
static cl::Buffer dt_min_val_buffer;
static cl::Buffer vol_sum_val_buffer;
static cl::Buffer mass_sum_val_buffer;
static cl::Buffer ie_sum_val_buffer;
static cl::Buffer ke_sum_val_buffer;
static cl::Buffer press_sum_val_buffer;
static cl::Buffer state_density_buffer;
static cl::Buffer state_energy_buffer;
static cl::Buffer state_xvel_buffer;
static cl::Buffer state_yvel_buffer;
static cl::Buffer state_xmin_buffer;
static cl::Buffer state_xmax_buffer;
static cl::Buffer state_ymin_buffer;
static cl::Buffer state_ymax_buffer;
static cl::Buffer state_radius_buffer;
static cl::Buffer state_geometry_buffer;
static cl::Buffer top_send_buffer;
static cl::Buffer top_recv_buffer;
static cl::Buffer bottom_send_buffer;
static cl::Buffer bottom_recv_buffer;
static cl::Buffer left_send_buffer;
static cl::Buffer left_recv_buffer;
static cl::Buffer right_send_buffer;
static cl::Buffer right_recv_buffer;
static cl::Buffer cpu_min_red_buffer;
static cl::Buffer cpu_vol_red_buffer;
static cl::Buffer cpu_mass_red_buffer;
static cl::Buffer cpu_ie_red_buffer;
static cl::Buffer cpu_ke_red_buffer;
static cl::Buffer cpu_press_red_buffer;
static cl::Buffer work_array1_buffer;
static cl::Buffer work_array2_buffer;
static cl::Buffer work_array3_buffer;
static cl::Buffer work_array4_buffer;
static cl::Buffer work_array5_buffer;
static cl::Buffer work_array6_buffer;
static cl::Buffer work_array7_buffer;
static cl::Kernel ideal_gas_predict_knl;
static cl::Kernel ideal_gas_NO_predict_knl;
static cl::Kernel viscosity_knl;
static cl::Kernel flux_calc_knl;
static cl::Kernel accelerate_knl;
static cl::Kernel advec_cell_xdir_sec1_s1_knl;
static cl::Kernel advec_cell_xdir_sec1_s2_knl;
static cl::Kernel advec_cell_xdir_sec2_knl;
static cl::Kernel advec_cell_xdir_sec3_knl;
static cl::Kernel advec_cell_ydir_sec1_s1_knl;
static cl::Kernel advec_cell_ydir_sec1_s2_knl;
static cl::Kernel advec_cell_ydir_sec2_knl;
static cl::Kernel advec_cell_ydir_sec3_knl;
static cl::Kernel advec_mom_vol_knl;
static cl::Kernel advec_mom_node_mass_pre_x_knl;
static cl::Kernel advec_mom_node_x_knl;
static cl::Kernel advec_mom_flux_x_vec1_knl;
static cl::Kernel advec_mom_flux_x_vecnot1_knl;
static cl::Kernel advec_mom_vel_x_knl;
static cl::Kernel advec_mom_node_y_knl;
static cl::Kernel advec_mom_node_mass_pre_y_knl;
static cl::Kernel advec_mom_flux_y_vec1_knl;
static cl::Kernel advec_mom_flux_y_vecnot1_knl;
static cl::Kernel advec_mom_vel_y_knl;
static cl::Kernel dt_calc_knl;
static cl::Kernel minimum_red_knl;
static cl::Kernel vol_sum_red_knl;
static cl::Kernel mass_sum_red_knl;
static cl::Kernel ie_sum_red_knl;
static cl::Kernel ke_sum_red_knl;
static cl::Kernel press_sum_red_knl;
static cl::Kernel minimum_red_last_knl;
static cl::Kernel vol_sum_red_last_knl;
static cl::Kernel mass_sum_red_last_knl;
static cl::Kernel ie_sum_red_last_knl;
static cl::Kernel ke_sum_red_last_knl;
static cl::Kernel press_sum_red_last_knl;
static cl::Kernel pdv_correct_knl;
static cl::Kernel pdv_predict_knl;
static cl::Kernel reset_field_knl;
static cl::Kernel revert_knl;
static cl::Kernel generate_chunk_knl;
static cl::Kernel initialise_chunk_cell_x_knl;
static cl::Kernel initialise_chunk_cell_y_knl;
static cl::Kernel initialise_chunk_vertex_x_knl;
static cl::Kernel initialise_chunk_vertex_y_knl;
static cl::Kernel initialise_chunk_volume_area_knl;
static cl::Kernel field_summary_knl;
static cl::Kernel update_halo_left_cell_knl;
static cl::Kernel update_halo_right_cell_knl;
static cl::Kernel update_halo_top_cell_knl;
static cl::Kernel update_halo_bottom_cell_knl;
static cl::Kernel update_halo_left_vel_knl;
static cl::Kernel update_halo_right_vel_knl;
static cl::Kernel update_halo_top_vel_knl;
static cl::Kernel update_halo_bottom_vel_knl;
static cl::Kernel update_halo_left_flux_x_knl;
static cl::Kernel update_halo_right_flux_x_knl;
static cl::Kernel update_halo_top_flux_x_knl;
static cl::Kernel update_halo_bottom_flux_x_knl;
static cl::Kernel update_halo_left_flux_y_knl;
static cl::Kernel update_halo_right_flux_y_knl;
static cl::Kernel update_halo_top_flux_y_knl;
static cl::Kernel update_halo_bottom_flux_y_knl;
static cl::Kernel read_top_buffer_knl;
static cl::Kernel read_right_buffer_knl;
static cl::Kernel read_bottom_buffer_knl;
static cl::Kernel read_left_buffer_knl;
static cl::Kernel write_top_buffer_knl;
static cl::Kernel write_right_buffer_knl;
static cl::Kernel write_bottom_buffer_knl;
static cl::Kernel write_left_buffer_knl;
static cl::Kernel minimum_red_cpu_knl;
static cl::Kernel vol_sum_red_cpu_knl;
static cl::Kernel mass_sum_red_cpu_knl;
static cl::Kernel ie_sum_red_cpu_knl;
static cl::Kernel ke_sum_red_cpu_knl;
static cl::Kernel press_sum_red_cpu_knl;
static std::vector<cl::Kernel> min_reduction_kernels;
static std::vector<cl::Kernel> vol_sum_reduction_kernels;
static std::vector<cl::Kernel> mass_sum_reduction_kernels;
static std::vector<cl::Kernel> ie_sum_reduction_kernels;
static std::vector<cl::Kernel> ke_sum_reduction_kernels;
static std::vector<cl::Kernel> press_sum_reduction_kernels;
static std::vector<int> num_workitems_tolaunch;
static std::vector<int> num_workitems_per_wg;
static std::vector<int> local_mem_size;
static std::vector<int> size_limits;
static std::vector<int> buffer_sizes;
static std::vector<bool> input_even;
static std::vector<int> num_elements_per_wi;
static std::vector<cl::Buffer> min_interBuffers;
static std::vector<cl::Buffer> vol_interBuffers;
static std::vector<cl::Buffer> mass_interBuffers;
static std::vector<cl::Buffer> ie_interBuffers;
static std::vector<cl::Buffer> ke_interBuffers;
static std::vector<cl::Buffer> press_interBuffers;
static std::vector<cl::LocalSpaceArg> min_local_memory_objects;
static std::vector<cl::LocalSpaceArg> vol_local_memory_objects;
static std::vector<cl::LocalSpaceArg> mass_local_memory_objects;
static std::vector<cl::LocalSpaceArg> ie_local_memory_objects;
static std::vector<cl::LocalSpaceArg> ke_local_memory_objects;
static std::vector<cl::LocalSpaceArg> press_local_memory_objects;
static long accelerate_time;
static long advec_cell_time;
static long advec_mom_time;
static long calc_dt_time;
static long comms_buffers_time;
static long field_summ_time;
static long flux_calc_time;
static long generate_chunk_time;
static long ideal_gas_time;
static long initialise_chunk_time;
static long pdv_time;
static long reset_field_time;
static long revert_time;
static long udpate_halo_time;
static long viscosity_time;
static double accelerate_count;
static double advec_cell_count;
static double advec_mom_count;
static double calc_dt_count;
static double comms_buffers_count;
static double field_summ_count;
static double flux_calc_count;
static double generate_chunk_count;
static double ideal_gas_count;
static double initialise_chunk_count;
static double pdv_count;
static double reset_field_count;
static double revert_count;
static double udpate_halo_count;
static double viscosity_count;
private:
static std::vector<cl::Event> global_events;
};
#endif