From: Maged Michael <magedmichael@fb.com>
Date: Tue, 9 Jan 2018 00:29:24 +0000 (-0800)
Subject: UnboundedBlockingQueue: Adjust segment size
X-Git-Tag: v2018.01.15.00~39
X-Git-Url: http://demsky.eecs.uci.edu/git/?p=folly.git;a=commitdiff_plain;h=4591832b4885f166236acee689dd2b11e3b3135b

UnboundedBlockingQueue: Adjust segment size

Summary: Adjust the segment size of the `UnboundedQueue` to 64 instead of 256, a size more suitable for CPUThreadPoolExecutor::CPUTask elements.

Reviewed By: djwatson

Differential Revision: D6665918

fbshipit-source-id: c34c4fa936ee5c6d6a3dd4489129c936369f3980
---

diff --git a/folly/executors/task_queue/UnboundedBlockingQueue.h b/folly/executors/task_queue/UnboundedBlockingQueue.h
index cfab6545..c6a53590 100644
--- a/folly/executors/task_queue/UnboundedBlockingQueue.h
+++ b/folly/executors/task_queue/UnboundedBlockingQueue.h
@@ -46,7 +46,7 @@ class UnboundedBlockingQueue : public BlockingQueue<T> {
 
  private:
   LifoSem sem_;
-  UMPMCQueue<T, false> queue_;
+  UMPMCQueue<T, false, 6> queue_;
 };
 
 } // namespace folly