publicImage/gprMax
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镜像自地址 https://gitee.com/sunhf/gprMax.git 已同步 2025-08-07 23:14:03 +08:00
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Craig Warren
2022-11-19 21:03:00 +00:00
父节点 9b4595711e
当前提交 9ac7cceab6
共有 1 个文件被更改，包括 34 次插入 和 41 次删除
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75
gprMax/updates.py
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@@ -395,7 +395,7 @@ class CUDAUpdates:
self._copy_mat_coeffs(knlE, knlH)
def _set_rx_knl(self):
"""Receivers - initialise arrays on GPU, prepare kernel and get kernel
"""Receivers - initialises arrays on GPU, prepares kernel and gets kernel
function.
"""
self.rxcoords_dev, self.rxs_dev = htod_rx_arrays(self.grid)
@@ -412,7 +412,7 @@ class CUDAUpdates:
self.store_outputs_dev = knl.get_function("store_outputs")
def _set_src_knls(self):
"""Sources - initialise arrays on GPU, prepare kernel and get kernel
"""Sources - initialises arrays on GPU, prepares kernel and gets kernel
function.
"""
self.subs_func.update({'NY_SRCINFO': 4,
@@ -440,7 +440,7 @@ class CUDAUpdates:
self._copy_mat_coeffs(knl, knl)
def _set_snapshot_knl(self):
"""Snapshots - initialise arrays on GPU, prepare kernel and get kernel
"""Snapshots - initialises arrays on GPU, prepares kernel and gets kernel
function.
"""
self.snapEx_dev, self.snapEy_dev, self.snapEz_dev, self.snapHx_dev, self.snapHy_dev, self.snapHz_dev = htod_snapshot_array(self.grid)
@@ -456,7 +456,7 @@ class CUDAUpdates:
self.store_snapshot_dev = knl.get_function("store_snapshot")
def _copy_mat_coeffs(self, knlE, knlH):
"""Copy material coefficient arrays to constant memory of GPU
"""Copies material coefficient arrays to constant memory of GPU
(must be <64KB).
Args:
@@ -477,7 +477,7 @@ class CUDAUpdates:
self.drv.memcpy_htod(updatecoeffsH, self.grid.updatecoeffsH)
def store_outputs(self):
"""Store field component values for every receiver."""
"""Stores field component values for every receiver."""
if self.grid.rxs:
self.store_outputs_dev(np.int32(len(self.grid.rxs)),
np.int32(self.grid.iteration),
@@ -493,7 +493,7 @@ class CUDAUpdates:
grid=(round32(len(self.grid.rxs)), 1, 1))
def store_snapshots(self, iteration):
"""Store any snapshots.
"""Stores any snapshots.
Args:
iteration: int for iteration number.
@@ -536,7 +536,7 @@ class CUDAUpdates:
0, snap)
def update_magnetic(self):
"""Update magnetic field components."""
"""Updates magnetic field components."""
self.update_magnetic_dev(np.int32(self.grid.nx),
np.int32(self.grid.ny),
np.int32(self.grid.nz),
@@ -551,12 +551,12 @@ class CUDAUpdates:
grid=self.grid.bpg)
def update_magnetic_pml(self):
"""Update magnetic field components with the PML correction."""
"""Updates magnetic field components with the PML correction."""
for pml in self.grid.pmls['slabs']:
pml.update_magnetic()
def update_magnetic_sources(self):
"""Update magnetic field components from sources."""
"""Updates magnetic field components from sources."""
if self.grid.magneticdipoles:
self.update_magnetic_dipole_dev(np.int32(len(self.grid.magneticdipoles)),
np.int32(self.grid.iteration),
@@ -574,7 +574,7 @@ class CUDAUpdates:
grid=(round32(len(self.grid.magneticdipoles)), 1, 1))
def update_electric_a(self):
"""Update electric field components."""
"""Updates electric field components."""
# All materials are non-dispersive so do standard update.
if config.get_model_config().materials['maxpoles'] == 0:
self.update_electric_dev(np.int32(self.grid.nx),
@@ -612,12 +612,12 @@ class CUDAUpdates:
grid=self.grid.bpg)
def update_electric_pml(self):
"""Update electric field components with the PML correction."""
"""Updates electric field components with the PML correction."""
for pml in self.grid.pmls['slabs']:
pml.update_electric()
def update_electric_sources(self):
"""Update electric field components from sources -
"""Updates electric field components from sources -
update any Hertzian dipole sources last.
"""
if self.grid.voltagesources:
@@ -678,14 +678,14 @@ class CUDAUpdates:
grid=self.grid.bpg)
def time_start(self):
"""Start event timers used to calculate solving time for model."""
"""Starts event timers used to calculate solving time for model."""
self.iterstart = self.drv.Event()
self.iterend = self.drv.Event()
self.iterstart.record()
self.iterstart.synchronize()
def calculate_memsolve(self, iteration):
"""Calculate memory used on last iteration.
"""Calculates memory used on last iteration.
Args:
iteration: int for iteration number.
@@ -697,7 +697,7 @@ class CUDAUpdates:
return self.drv.mem_get_info()[1] - self.drv.mem_get_info()[0]
def calculate_tsolve(self):
"""Calculate solving time for model."""
"""Calculates solving time for model."""
self.iterend.record()
self.iterend.synchronize()
tsolve = self.iterstart.time_till(self.iterend) * 1e-3
@@ -705,7 +705,7 @@ class CUDAUpdates:
return tsolve
def finalise(self):
"""Copy data from GPU back to CPU to save to file(s)."""
"""Copies data from GPU back to CPU to save to file(s)."""
# Copy output from receivers array back to correct receiver objects
if self.grid.rxs:
dtoh_rx_array(self.rxs_dev.get(),
@@ -899,8 +899,8 @@ class OpenCLUpdates:
options=config.sim_config.devices['compiler_opts'])
def _set_rx_knl(self):
"""Receivers - initialise arrays on compute device, prepare kernel and
get kernel function.
"""Receivers - initialises arrays on compute device, prepares kernel and
gets kernel function.
"""
self.rxcoords_dev, self.rxs_dev = htod_rx_arrays(self.grid, self.queue)
self.store_outputs_dev = self.elwise(self.ctx,
@@ -910,8 +910,8 @@ class OpenCLUpdates:
options=config.sim_config.devices['compiler_opts'])
def _set_src_knls(self):
"""Sources - initialise arrays on compute device, prepare kernel and
get kernel function.
"""Sources - initialises arrays on compute device, prepares kernel and
gets kernel function.
"""
if self.grid.hertziandipoles:
self.srcinfo1_hertzian_dev, self.srcinfo2_hertzian_dev, self.srcwaves_hertzian_dev = htod_src_arrays(self.grid.hertziandipoles, self.grid, self.queue)
@@ -935,8 +935,8 @@ class OpenCLUpdates:
options=config.sim_config.devices['compiler_opts'])
def _set_snapshot_knl(self):
"""Snapshots - initialise arrays on compute device, prepare kernel and
get kernel function.
"""Snapshots - initialises arrays on compute device, prepares kernel and
gets kernel function.
"""
self.snapEx_dev, self.snapEy_dev, self.snapEz_dev, self.snapHx_dev, self.snapHy_dev, self.snapHz_dev = htod_snapshot_array(self.grid, self.queue)
self.store_snapshot_dev = self.elwise(self.ctx,
@@ -949,7 +949,7 @@ class OpenCLUpdates:
options=config.sim_config.devices['compiler_opts'])
def store_outputs(self):
"""Store field component values for every receiver."""
"""Stores field component values for every receiver."""
if self.grid.rxs:
event = self.store_outputs_dev(np.int32(len(self.grid.rxs)),
np.int32(self.grid.iteration),
@@ -964,7 +964,7 @@ class OpenCLUpdates:
event.wait()
def store_snapshots(self, iteration):
"""Store any snapshots.
"""Stores any snapshots.
Args:
iteration: int for iteration number.
@@ -1007,7 +1007,7 @@ class OpenCLUpdates:
snap)
def update_magnetic(self):
"""Update magnetic field components."""
"""Updates magnetic field components."""
event = self.update_magnetic_dev(np.int32(self.grid.nx),
np.int32(self.grid.ny),
np.int32(self.grid.nz),
@@ -1021,12 +1021,12 @@ class OpenCLUpdates:
event.wait()
def update_magnetic_pml(self):
"""Update magnetic field components with the PML correction."""
"""Updates magnetic field components with the PML correction."""
for pml in self.grid.pmls['slabs']:
pml.update_magnetic()
def update_magnetic_sources(self):
"""Update magnetic field components from sources."""
"""Updates magnetic field components from sources."""
if self.grid.magneticdipoles:
event = self.update_magnetic_dipole_dev(np.int32(len(self.grid.magneticdipoles)),
np.int32(self.grid.iteration),
@@ -1043,7 +1043,7 @@ class OpenCLUpdates:
event.wait()
def update_electric_a(self):
"""Update electric field components."""
"""Updates electric field components."""
# All materials are non-dispersive so do standard update.
if config.get_model_config().materials['maxpoles'] == 0:
event = self.update_electric_dev(np.int32(self.grid.nx),
@@ -1079,12 +1079,12 @@ class OpenCLUpdates:
event.wait()
def update_electric_pml(self):
"""Update electric field components with the PML correction."""
"""Updates electric field components with the PML correction."""
for pml in self.grid.pmls['slabs']:
pml.update_electric()
def update_electric_sources(self):
"""Update electric field components from sources -
"""Updates electric field components from sources -
update any Hertzian dipole sources last.
"""
if self.grid.voltagesources:
@@ -1142,12 +1142,12 @@ class OpenCLUpdates:
event.wait()
def time_start(self):
"""Start event timers used to calculate solving time for model."""
"""Starts event timers used to calculate solving time for model."""
self.event_marker1 = self.cl.enqueue_marker(self.queue)
self.event_marker1.wait()
def calculate_memsolve(self, iteration):
"""Calculate memory used on last iteration.
"""Calculates memory used on last iteration.
Args:
iteration: int for iteration number.
@@ -1161,7 +1161,7 @@ class OpenCLUpdates:
pass
def calculate_tsolve(self):
"""Calculate solving time for model."""
"""Calculates solving time for model."""
event_marker2 = self.cl.enqueue_marker(self.queue)
event_marker2.wait()
@@ -1169,7 +1169,7 @@ class OpenCLUpdates:
return compute_time
def finalise(self):
"""Copy data from compute device back to CPU to save to file(s)."""
"""Copies data from compute device back to CPU to save to file(s)."""
# Copy output from receivers array back to correct receiver objects
if self.grid.rxs:
dtoh_rx_array(self.rxs_dev.get(), self.rxcoords_dev.get(), self.grid)
@@ -1184,10 +1184,3 @@ class OpenCLUpdates:
self.snapHy_dev.get(),
self.snapHz_dev.get(),
i, snap)
def cleanup(self):
"""Cleanup compute device context."""
logger.debug('Check if pyopencl needs explicit cleanup.')
# Remove context from top of stack and delete
# self.ctx.pop()
# del self.ctx