[Mono-bugs] [Bug 80578][Wis] New - Optimize empty array allocation

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Mon Jan 22 11:28:39 EST 2007

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Changed by marek.safar at seznam.cz.


--- shadow/80578	2007-01-22 11:28:39.000000000 -0500
+++ shadow/80578.tmp.15387	2007-01-22 11:28:39.000000000 -0500
@@ -0,0 +1,41 @@
+Bug#: 80578
+Product: Mono: Runtime
+Version: 1.2
+OS Details: 
+Status: NEW   
+Priority: Wishlist
+Component: misc
+AssignedTo: mono-bugs at ximian.com                            
+ReportedBy: marek.safar at seznam.cz               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+Summary: Optimize empty array allocation
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+using System;
+public class C
+	public static void Main ()
+	{
+		string[] s;
+		for (int i = 0; i < 1000000; ++i)
+			s = new string[0];
+	}
+This program allocates 15625 KB of System.String[] data.
+However, it seems to me that 1 instance should
+be enough in case of 0-sized array.
+Please consider this as a suggestion as I don't have
+enough knowledge about runtime to say whether it
+is possible or not.

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