From a39d7ae1aaa54a57df7f11e4ba12e2529286ea8c Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 6 Aug 2020 13:55:45 +0200
Subject: Double default task queue size

Testing shows quite a lot of "full" conditions on low core count (e.g., 2)
CPUs (such as Intel U-series).
---
 libbuild2/scheduler.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libbuild2')

diff --git a/libbuild2/scheduler.cxx b/libbuild2/scheduler.cxx
index 82bc4cc..c660bba 100644
--- a/libbuild2/scheduler.cxx
+++ b/libbuild2/scheduler.cxx
@@ -373,7 +373,7 @@ namespace build2
     //
     task_queue_depth_ = queue_depth != 0
       ? queue_depth
-      : max_active * 4;
+      : max_active * 8;
 
     queued_task_count_.store (0, memory_order_relaxed);
 
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