publicImage/gprMax
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镜像自地址 https://gitee.com/sunhf/gprMax.git 已同步 2025-08-08 07:24:19 +08:00
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More work for GPU.

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craig-warren
2019-12-01 15:15:18 +00:00
父节点 cb5918b4f2
当前提交 814dec9114
共有 7 个文件被更改，包括 70 次插入 和 52 次删除
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94
gprMax/cmds_multiple.py
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@@ -84,7 +84,7 @@ class Waveform(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 0
self.order = 1
self.hash = '#waveform'
def create(self, grid, uip):
@@ -133,7 +133,7 @@ class VoltageSource(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 1
self.order = 2
self.hash = '#voltage_source'
def create(self, grid, uip):
@@ -219,7 +219,7 @@ class HertzianDipole(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 2
self.order = 3
self.hash = '#hertzian_dipole'
def create(self, grid, uip):
@@ -315,7 +315,7 @@ class MagneticDipole(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 3
self.order = 4
self.hash = '#magnetic_dipole'
def create(self, grid, uip):
@@ -401,7 +401,7 @@ class TransmissionLine(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 4
self.order = 5
self.hash = '#transmission_line'
def create(self, grid, uip):
@@ -490,7 +490,7 @@ class Rx(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 5
self.order = 6
self.hash = '#rx'
self.constructor = RxUser
@@ -544,7 +544,7 @@ class RxArray(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 6
self.order = 7
self.hash = '#rx_array'
def create(self, grid, uip):
@@ -617,7 +617,7 @@ class Snapshot(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 19
self.order = 8
self.hash = '#snapshot'
def create(self, grid, uip):
@@ -684,7 +684,7 @@ class Material(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 8
self.order = 9
self.hash = '#material'
def create(self, grid, uip):
@@ -744,12 +744,12 @@ class AddDebyeDispersion(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 9
self.order = 10
self.hash = '#add_dispersion_debye'
def create(self, grid, uip):
try:
poles = self.kwargs['n_poles']
poles = self.kwargs['poles']
er_delta = self.kwargs['er_delta']
tau = self.kwargs['tau']
material_ids = self.kwargs['material_ids']
@@ -782,8 +782,8 @@ class AddDebyeDispersion(UserObjectMulti):
disp_material.tau.append(tau[i])
else:
raise CmdInputError(f"'{self.params_str()}' requires positive values for the permittivity difference.")
if disp_material.poles > config.model_configs[grid.model_num].materials['maxpoles']:
config.model_configs[grid.model_num].materials['maxpoles'] = disp_material.poles
if disp_material.poles > config.get_model_config().materials['maxpoles']:
config.get_model_config().materials['maxpoles'] = disp_material.poles
# Replace original material with newly created DispersiveMaterial
grid.materials = [disp_material if mat.numID==material.numID else mat for mat in grid.materials]
@@ -808,12 +808,12 @@ class AddLorentzDispersion(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 10
self.order = 11
self.hash = '#add_dispersion_lorentz'
def create(self, grid, uip):
try:
poles = self.kwargs['n_poles']
poles = self.kwargs['poles']
er_delta = self.kwargs['er_delta']
tau = self.kwargs['omega']
alpha = self.kwargs['delta']
@@ -832,20 +832,28 @@ class AddLorentzDispersion(UserObjectMulti):
raise CmdInputError(f"'{self.params_str()}' material(s) {notfound} do not exist")
for material in materials:
material.type = 'lorentz'
material.poles = poles
material.averagable = False
disp_material = DispersiveMaterialUser(material.numID, material.ID)
disp_material.er = material.er
disp_material.se = material.se
disp_material.mr = material.mr
disp_material.sm = material.sm
disp_material.type = 'lorentz'
disp_material.poles = poles
disp_material.averagable = False
for i in range(0, poles):
if er_delta[i] > 0 and tau[i] > grid.dt and alpha[i] > grid.dt:
material.deltaer.append(er_delta[i])
material.tau.append(tau[i])
material.alpha.append(alpha[i])
disp_material.deltaer.append(er_delta[i])
disp_material.tau.append(tau[i])
disp_material.alpha.append(alpha[i])
else:
raise CmdInputError(f"'{self.params_str()}' requires positive values for the permittivity difference and frequencies, and associated times that are greater than the time step for the model.")
if material.poles > MaterialUser.maxpoles:
MaterialUser.maxpoles = material.poles
if disp_material.poles > config.get_model_config().materials['maxpoles']:
config.get_model_config().materials['maxpoles'] = disp_material.poles
log.info(f"Lorentz disperion added to {material.ID} with delta_eps_r={', '.join('%4.2f' % deltaer for deltaer in material.deltaer)}, omega={', '.join('%4.3e' % tau for tau in material.tau)} secs, and gamma={', '.join('%4.3e' % alpha for alpha in material.alpha)} created.")
# Replace original material with newly created DispersiveMaterial
grid.materials = [disp_material if mat.numID==material.numID else mat for mat in grid.materials]
log.info(f"Lorentz disperion added to {disp_material.ID} with delta_eps_r={', '.join('%4.2f' % deltaer for deltaer in disp_material.deltaer)}, omega={', '.join('%4.3e' % tau for tau in disp_material.tau)} secs, and gamma={', '.join('%4.3e' % alpha for alpha in disp_material.alpha)} created.")
class AddDrudeDispersion(UserObjectMulti):
@@ -863,12 +871,12 @@ class AddDrudeDispersion(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 11
self.hash = '#add_dispersion_Drude'
self.order = 12
self.hash = '#add_dispersion_drude'
def create(self, grid, uip):
try:
poles = self.kwargs['n_poles']
poles = self.kwargs['poles']
tau = self.kwargs['tau']
alpha = self.kwargs['alpha']
material_ids = self.kwargs['material_ids']
@@ -886,19 +894,27 @@ class AddDrudeDispersion(UserObjectMulti):
raise CmdInputError(f"'{self.params_str()}' material(s) {notfound} do not exist")
for material in materials:
material.type = 'drude'
material.poles = poles
material.averagable = False
disp_material = DispersiveMaterialUser(material.numID, material.ID)
disp_material.er = material.er
disp_material.se = material.se
disp_material.mr = material.mr
disp_material.sm = material.sm
disp_material.type = 'drude'
disp_material.poles = poles
disp_material.averagable = False
for i in range(0, poles):
if tau[i] > 0 and alpha[i] > grid.dt:
material.tau.append(tau[i])
material.alpha.append(alpha[i])
disp_material.tau.append(tau[i])
disp_material.alpha.append(alpha[i])
else:
raise CmdInputError(f"'{self.params_str()}' requires positive values for the frequencies, and associated times that are greater than the time step for the model.")
if material.poles > MaterialUser.maxpoles:
MaterialUser.maxpoles = material.poles
if disp_material.poles > config.get_model_config().materials['maxpoles']:
config.get_model_config().materials['maxpoles'] = disp_material.poles
log.info(f"Drude disperion added to {material.ID} with omega={', '.join('%4.3e' % tau for tau in material.tau)} secs, and gamma={', '.join('%4.3e' % alpha for alpha in material.alpha)} secs created.")
# Replace original material with newly created DispersiveMaterial
grid.materials = [disp_material if mat.numID==material.numID else mat for mat in grid.materials]
log.info(f"Drude disperion added to {disp_material.ID} with omega={', '.join('%4.3e' % tau for tau in disp_material.tau)} secs, and gamma={', '.join('%4.3e' % alpha for alpha in disp_material.alpha)} secs created.")
class SoilPeplinski(UserObjectMulti):
@@ -920,7 +936,7 @@ class SoilPeplinski(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 12
self.order = 13
self.hash = '#soil_peplinski'
def create(self, grid, uip):
@@ -977,7 +993,7 @@ class GeometryView(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 18
self.order = 14
self.hash = '#geometry_view'
self.multi_grid = False
@@ -1056,7 +1072,7 @@ class GeometryObjectsWrite(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 14
self.order = 15
self.hash = '#geometry_objects_write'
def create(self, grid, uip):
@@ -1112,7 +1128,7 @@ class PMLCFS(UserObjectMulti):
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.order = 15
self.order = 16
self.hash = '#pml_cfs'
PMLCFS.count += 1
if PMLCFS.count == 2:

1
gprMax/grid.py
查看文件

@@ -288,6 +288,7 @@ class CUDAGrid(FDTDGrid):
"""Additional grid methods for solving on GPU using CUDA."""
def __init__(self):
super().__init__()
# Threads per block - used for main electric/magnetic field updates
self.tpb = (128, 1, 1)

5
gprMax/hash_cmds_file.py
查看文件

@@ -140,8 +140,9 @@ def process_include_files(hashcmds, inputfile):
includefile = includefile[1]
# See if file exists at specified path and if not try input file directory
if not os.path.isfile(includefile):
includefile = os.path.join(os.path.dirname(inputfile.name), includefile)
includefile = Path(includefile)
if not includefile.exists():
includefile = Path(config.sim_config.input_file_path.parent, includefile)
with open(includefile, 'r') as f:
# Strip out any newline characters and comments that must begin with double hashes

3
gprMax/hash_cmds_geometry.py
查看文件

@@ -18,7 +18,6 @@
import numpy as np
from .cmds_geometry.geometry_objects_read import GeometryObjectsRead
from .cmds_geometry.edge import Edge
from .cmds_geometry.plate import Plate
from .cmds_geometry.triangle import Triangle
@@ -52,6 +51,8 @@ def process_geometrycmds(geometry):
tmp = object.split()
if tmp[0] == '#geometry_objects_read:':
from .cmds_geometry.geometry_objects_read import GeometryObjectsRead
if len(tmp) != 6:
raise CmdInputError("'" + ' '.join(tmp) + "'" + ' requires exactly five parameters')

2
gprMax/hash_cmds_multiuse.py
查看文件

@@ -193,7 +193,7 @@ def process_multicmds(multicmds):
er_delta.append(float(tmp[pole]))
tau.append(float(tmp[pole + 1]))
debye_dispersion = AddDebyeDispersion(pole=poles, er_delta=er_delta, tau=tau, material_ids=material_ids)
debye_dispersion = AddDebyeDispersion(poles=poles, er_delta=er_delta, tau=tau, material_ids=material_ids)
scene_objects.append(debye_dispersion)
cmdname = '#add_dispersion_lorentz'

2
gprMax/snapshots.py
查看文件

@@ -199,7 +199,7 @@ def htod_snapshot_array(G):
# 4D arrays to store snapshots on GPU, e.g. snapEx(time, x, y, z);
# if snapshots are not being stored on the GPU during the simulation then
# they are copied back to the host after each iteration, hence numsnaps = 1
numsnaps = 1 if config.model_configs[G.model_num].cuda['snapsgpu2cpu'] else len(G.snapshots)
numsnaps = 1 if config.get_model_config().cuda['snapsgpu2cpu'] else len(G.snapshots)
snapEx = np.zeros((numsnaps, Snapshot.nx_max, Snapshot.ny_max, Snapshot.nz_max),
dtype=config.sim_config.dtypes['float_or_double'])
snapEy = np.zeros((numsnaps, Snapshot.nx_max, Snapshot.ny_max, Snapshot.nz_max),

15
gprMax/updates.py
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@@ -421,8 +421,7 @@ class CUDAUpdates:
"""Snapshots - initialise arrays on GPU, prepare kernel and get kernel
function.
"""
self.snapEx_gpu, self.snapEy_gpu, self.snapEz_gpu,
self.snapHx_gpu, self.snapHy_gpu, self.snapHz_gpu = htod_snapshot_array(self.grid)
self.snapEx_gpu, self.snapEy_gpu, self.snapEz_gpu, self.snapHx_gpu, self.snapHy_gpu, self.snapHz_gpu = htod_snapshot_array(self.grid)
kernel_store_snapshot = self.source_module(kernel_template_store_snapshot.substitute(
REAL=config.sim_config.dtypes['C_float_or_double'],
NX_SNAPS=Snapshot.nx_max,
@@ -504,12 +503,12 @@ class CUDAUpdates:
block=Snapshot.tpb,
grid=Snapshot.bpg)
if config.get_model_config().cuda['snapsgpu2cpu']:
dtoh_snapshot_array(self.grid.snapEx_gpu.get(),
self.grid.snapEy_gpu.get(),
self.grid.snapEz_gpu.get(),
self.grid.snapHx_gpu.get(),
self.grid.snapHy_gpu.get(),
self.grid.snapHz_gpu.get(),
dtoh_snapshot_array(self.snapEx_gpu.get(),
self.snapEy_gpu.get(),
self.snapEz_gpu.get(),
self.snapHx_gpu.get(),
self.snapHy_gpu.get(),
self.snapHz_gpu.get(),
0, snap)
def update_magnetic(self):