From 876a3c1b221e29191e50531ab5c9dec80763fe93 Mon Sep 17 00:00:00 2001
From: Andreas Westerwick <westerwick@pconas.de>
Date: Sun, 11 Aug 2019 20:19:08 +0200
Subject: [PATCH] parallel processing
---
Tools/python/split_layers.py | 30 +++++++++++++++++++-----------
1 file changed, 19 insertions(+), 11 deletions(-)
diff --git a/Tools/python/split_layers.py b/Tools/python/split_layers.py
index 58557cc..c1172d9 100755
--- a/Tools/python/split_layers.py
+++ b/Tools/python/split_layers.py
@@ -4,6 +4,9 @@ import sys
import os
import gdspy
+import multiprocessing
+from joblib import Parallel, delayed
+
orig_box_width=10.
orig_box_spacing=10.
@@ -126,17 +129,8 @@ def generate_gds_file(layout_path,cellname):
cell=cell.add(gdspy.Rectangle(p11, p12, 1))
cell=cell.add(gdspy.Rectangle(p21, p22, 1))
cell=cell.flatten()
-
- for layername in layer_mapping:
- ncell=cell.copy(layername,deep_copy=True)
- thelayers=layer_mapping[layername]
- ncell=ncell.remove_polygons(lambda pts, layer, datatype: layer not in thelayers)
- ncell=ncell.add(gdspy.Rectangle(p11, p12, 1))
- ncell=ncell.add(gdspy.Rectangle(p21, p22, 1))
- ncell=ncell.flatten(single_layer=1,single_datatype=1)
- newgdsii=gdspy.GdsLibrary("mask_"+layername)
- newgdsii.add(ncell)
- newgdsii.write_gds(layout_path+"/gds/mask_"+layername+".gds")
+ num_cores = multiprocessing.cpu_count() - 2
+ Parallel(n_jobs=num_cores, verbose=50)(delayed(split_task)(p11,p12,p21,p22,cell,layername)for layername in layer_mapping)
except Exception as e:
print("Can't do this:"+e)
@@ -144,6 +138,20 @@ def generate_gds_file(layout_path,cellname):
if '-s' in sys.argv:
gdspy.LayoutViewer()
+
+def split_task(p11,p12,p21,p22,cell,layername):
+ ncell=cell.copy(layername,deep_copy=True)
+ thelayers=layer_mapping[layername]
+ ncell=ncell.remove_polygons(lambda pts, layer, datatype: layer not in thelayers)
+ ncell=ncell.add(gdspy.Rectangle(p11, p12, 1))
+ ncell=ncell.add(gdspy.Rectangle(p21, p22, 1))
+ ncell=ncell.flatten(single_layer=1,single_datatype=1)
+ newgdsii=gdspy.GdsLibrary("mask_"+layername)
+ newgdsii.add(ncell)
+ newgdsii.write_gds(layout_path+"/gds/mask_"+layername+".gds")
+ print(layername)
+
+
def show_help():
print("-n cellname:\tname of the cell to export")
print("-l:\t\tswitch to render library cells because default is layout cells")
--
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