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GEOPY-2200: Crash on indexing of TEM sensitivity matrix #88

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Merged
domfournier merged 1 commit into from
May 21, 2025
Merged

GEOPY-2200: Crash on indexing of TEM sensitivity matrix #88

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16 changes: 6 additions & 10 deletions simpeg/dask/electromagnetics/time_domain/simulation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
from dask import array, delayed
from dask.distributed import get_client

from time import time
from simpeg.dask.utils import get_parallel_blocks
from simpeg.utils import mkvc

Expand Down Expand Up @@ -405,10 +406,6 @@ def get_field_deriv_block(
# Cut out early data
time_check = np.kron(time_mask, np.ones(shape, dtype=bool))[rx_ind]
local_ind = np.arange(rx_ind.shape[0])[time_check]

if len(local_ind) < 1:
continue

indices.append(
(np.arange(count, count + len(local_ind)), local_ind),
)
Expand All @@ -425,14 +422,14 @@ def get_field_deriv_block(

stacked_blocks.append(stacked_block)

if len(stacked_blocks) > 0:
blocks = np.hstack(stacked_blocks)

blocks = np.hstack(stacked_blocks)
if blocks.ndim == 2 and blocks.shape[1] > 0:
solve = (AdiagTinv * blocks).reshape(blocks.shape)
else:
solve = None

updated_ATinv_df_duT_v = []

for (_, arrays), field_deriv, ATinv_chunk, (columns, local_ind) in zip(
block, field_derivs, ATinv_df_duT_v, indices, strict=True
):
Expand All @@ -444,10 +441,9 @@ def get_field_deriv_block(
)
ATinv_chunk = np.zeros(shape, dtype=np.float32)

if solve is None:
continue
if solve is not None:
ATinv_chunk[:, local_ind] = solve[:, columns]

ATinv_chunk[:, local_ind] = solve[:, columns]
updated_ATinv_df_duT_v.append(ATinv_chunk)

return updated_ATinv_df_duT_v
Expand Down