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Unconditionally disable pinned memory pool #728

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Merged
dkazanc merged 1 commit into from
Jun 4, 2026
Merged

Unconditionally disable pinned memory pool #728

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12 changes: 11 additions & 1 deletion httomo/runner/task_runner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,12 @@
ReadableDataSetSink,
)
from httomo.utils import save_2d_snapshot
from httomo.runner.gpu_utils import get_available_gpu_memory, gpumem_cleanup
from httomo.runner.gpu_utils import (
get_available_gpu_memory,
gpumem_cleanup,
gpu_enabled,
xp,
)
from httomo.runner.monitoring_interface import MonitoringInterface
from httomo.runner.pipeline import Pipeline
from httomo.runner.section import (
Expand Down Expand Up @@ -333,6 +338,11 @@ def _prepare(self):
self._check_params_for_sweep()
self._load_datasets()

if gpu_enabled:
xp.get_default_pinned_memory_pool().free_all_blocks()
xp.cuda.set_pinned_memory_allocator(None)
log_once("Disabled CuPy pinned memory pool", logging.DEBUG)

def _load_datasets(self):
start_time = self._log_task_start(
"loader",
Expand Down
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