From b5960ebbe7236eef62620b0a07df8de93dffc81e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 17 Mar 2017 16:57:49 +0200
Subject: Shorten scheduler queue depth, make it customizable via command line

---
 build2/b.cli | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'build2/b.cli')

diff --git a/build2/b.cli b/build2/b.cli
index f1fd7dc..726f04e 100644
--- a/build2/b.cli
+++ b/build2/b.cli
@@ -380,6 +380,16 @@ namespace build2
        on 64-bit. See the build system scheduler implementation for details."
     }
 
+    size_t --queue-depth|-Q = 4
+    {
+      "<num>",
+      "The queue depth as a multiplier over the number of active jobs.
+       Normally we want a deeper queue if the jobs take long (for example,
+       compilation) and shorter if they are quick (for example, simple tests).
+       The default is 4. See the build system scheduler implementation for
+       details."
+    }
+
     bool --serial-stop|-s
     {
       "Run serially and stop at the first error. This mode is useful to
-- 
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