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Limit handlers for processing in windows #26

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Merged
JosephBrunet merged 1 commit into from
Dec 11, 2025
Merged

Limit handlers for processing in windows #26

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10 changes: 9 additions & 1 deletion src/cardiotensor/utils/downsampling.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import math
import multiprocessing as mp
import os
import sys
from pathlib import Path

import cv2
Expand Down Expand Up @@ -229,6 +230,8 @@ def chunked_downsample_vector_volume_mp(

# Launch multiprocessing pool with a progress bar
cpu_count = min(mp.cpu_count(), len(tasks))
if sys.platform.startswith("win"):
cpu_count = min(cpu_count, 59)
with mp.Pool(processes=cpu_count) as pool:
with alive_bar(len(tasks), title="Downsampling vector volumes") as bar:
results = [
Expand Down Expand Up @@ -338,8 +341,13 @@ def downsample_volume(
if not tasks:
print(f"✔️ All downsampled blocks already exist for '{subfolder}'. Skipping.")
return

if sys.platform.startswith("win"):
cpu_count = min(mp.cpu_count(), 59)
else:
cpu_count = mp.cpu_count()

with mp.Pool(processes=mp.cpu_count()) as pool:
with mp.Pool(processes=cpu_count) as pool:
with alive_bar(len(tasks), title=f"Downsampling '{subfolder}' volume") as bar:
results = [
pool.apply_async(
Expand Down
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