-/*
- * sgen-conf.h: Tunable parameters and debugging switches.
+/**
+ * \file
+ * Tunable parameters and debugging switches.
*
* Copyright 2001-2003 Ximian, Inc
* Copyright 2003-2010 Novell, Inc.
* Copyright 2011 Xamarin Inc (http://www.xamarin.com)
* Copyright (C) 2012 Xamarin Inc
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License 2.0 as published by the Free Software Foundation;
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License 2.0 along with this library; if not, write to the Free
- * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
*/
#ifndef __MONO_SGENCONF_H__
#define __MONO_SGENCONF_H__
#define HEAVY_STAT(x)
#endif
-/*
- * Define this to allow the user to change the nursery size by
- * specifying its value in the MONO_GC_PARAMS environmental
- * variable. See mono_gc_base_init for details.
- */
-#define USER_CONFIG 1
-
/*
* The binary protocol enables logging a lot of the GC ativity in a way that is not very
* intrusive and produces a compact file that can be searched using a custom tool. This
#define SGEN_CEMENT_HASH(hv) (((hv) ^ ((hv) >> SGEN_CEMENT_HASH_SHIFT)) & (SGEN_CEMENT_HASH_SIZE - 1))
#define SGEN_CEMENT_THRESHOLD 1000
+/*
+ * Default values for the nursery size
+ */
+#define SGEN_DEFAULT_NURSERY_MIN_SIZE (1 << 19)
+#define SGEN_DEFAULT_NURSERY_SIZE (1 << 22)
+#define SGEN_DEFAULT_NURSERY_MAX_SIZE (1 << 25)
+
+/*
+ * We are trying to keep pauses lower than this (ms). We use it for dynamic nursery
+ * sizing heuristics. We are keeping leeway in order to be prepared for work-load
+ * variations.
+ */
+#define SGEN_DEFAULT_MAX_PAUSE_TIME 30
+#define SGEN_DEFAULT_MAX_PAUSE_MARGIN 0.66f
+
+
+#define SGEN_PAUSE_MODE_MAX_PAUSE_MARGIN 0.5f
+
+/*
+ * In practice, for nurseries smaller than this, the parallel minor tends to be
+ * ineffective, even leading to regressions. Avoid using it for smaller nurseries.
+ */
+#define SGEN_PARALLEL_MINOR_MIN_NURSERY_SIZE (1 << 24)
+
#endif