[oe-commits] [bitbake] 03/03: cooker: Split recipes to parse amongst threads ahead of time

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rpurdie pushed a commit to branch 1.40
in repository bitbake.

commit 88fae1d334b462d18bede167ea89dfa491a8a46f
Author: Richard Purdie <richard.purdie at linuxfoundation.org>
AuthorDate: Fri Dec 28 16:59:53 2018 +0000

    cooker: Split recipes to parse amongst threads ahead of time
    
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 lib/bb/cooker.py | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/lib/bb/cooker.py b/lib/bb/cooker.py
index f374401..018a27e 100644
--- a/lib/bb/cooker.py
+++ b/lib/bb/cooker.py
@@ -1911,8 +1911,8 @@ class Parser(multiprocessing.Process):
                 result = pending.pop()
             else:
                 try:
-                    job = self.jobs.get(timeout=0.25)
-                except queue.Empty:
+                    job = self.jobs.pop()
+                except IndexError:
                     break
                 result = self.parse(*job)
 
@@ -1999,12 +1999,12 @@ class CookerParser(object):
             self.parser_quit = multiprocessing.Queue(maxsize=self.num_processes)
             self.result_queue = multiprocessing.Queue()
 
-            self.jobs = multiprocessing.Queue()
-            for j in self.willparse:
-                self.jobs.put(j)
+            def chunkify(lst,n):
+                return [lst[i::n] for i in range(n)]
+            self.jobs = chunkify(self.willparse, self.num_processes)
 
             for i in range(0, self.num_processes):
-                parser = Parser(self.jobs, self.result_queue, self.parser_quit, init, self.cooker.configuration.profile)
+                parser = Parser(self.jobs[i], self.result_queue, self.parser_quit, init, self.cooker.configuration.profile)
                 parser.start()
                 self.process_names.append(parser.name)
                 self.processes.append(parser)
@@ -2032,8 +2032,6 @@ class CookerParser(object):
             for process in self.processes:
                 self.parser_quit.put(None)
 
-            self.jobs.cancel_join_thread()
-
         for process in self.processes:
             if force:
                 process.join(.1)

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