jdk-sandbox: src/hotspot/share/gc/epsilon/epsilon_globals.hpp@54c1aa06c1d8 (annotated)

55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	1	/*
56350 56014b46de69 Update copyrights shade parents: 55979 diff changeset	2	* Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	4	*
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	7	* published by the Free Software Foundation.
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	8	*
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	13	* accompanied this code).
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	14	*
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	18	*
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	21	* questions.
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	22	*
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	23	*/
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	24
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	25	#ifndef SHARE_VM_GC_EPSILON_GLOBALS_HPP
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	26	#define SHARE_VM_GC_EPSILON_GLOBALS_HPP
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	27
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	28	#include "runtime/globals.hpp"
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	29	//
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	30	// Defines all globals flags used by the Epsilon GC.
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	31	//
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	32
56493 b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	33	#define GC_EPSILON_FLAGS(develop, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	34	develop_pd, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	35	product, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	36	product_pd, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	37	diagnostic, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	38	diagnostic_pd, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	39	experimental, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	40	notproduct, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	41	manageable, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	42	product_rw, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	43	lp64_product, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	44	range, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	45	constraint, \
b99bcc5a6c2a Hook up Epsilon flags to a new VM facility shade parents: 56352 diff changeset	46	writeable) \
55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	47	\
55979 669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	48	experimental(size_t, EpsilonPrintHeapStep, 100, \
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	49	"Print heap occupancy stats with this number of steps. " \
56352 ebb84e128ed3 Whitespace, formatting, dead code elimination shade parents: 56350 diff changeset	50	"0 turns the printing off.") \
55979 669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	51	range(0, max_intx) \
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	52	\
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	53	experimental(size_t, EpsilonUpdateCountersStep, 1 * M, \
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	54	"Update heap heap occupancy counters after allocating this much " \
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	55	"memory. Higher values would make allocations faster at " \
56352 ebb84e128ed3 Whitespace, formatting, dead code elimination shade parents: 56350 diff changeset	56	"the expense of lower resolution in heap counters.") \
55979 669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	57	range(1, max_intx) \
669f8c047c9c Print heap counters occasionally shade parents: 55767 diff changeset	58	\
55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	59	experimental(size_t, EpsilonMaxTLABSize, 4 * M, \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	60	"Max TLAB size to use with Epsilon GC. Larger value improves " \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	61	"performance at the expense of per-thread memory waste. This " \
56352 ebb84e128ed3 Whitespace, formatting, dead code elimination shade parents: 56350 diff changeset	62	"asks TLAB machinery to cap TLAB sizes at this value.") \
55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	63	range(1, max_intx) \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	64	\
56510 54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	65	experimental(double, EpsilonTLABElasticity, 1.1, \
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	66	"Multiplier to use when deciding on next TLAB size. Larger value "\
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	67	"improves performance at the expense of per-thread memory waste." \
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	68	"Lower value improves memory footprint, especially for rarely " \
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	69	"allocating threads.") \
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	70	range(1, max_intx) \
54c1aa06c1d8 Epsilon should use Elastic TLABs facility to control sizes shade parents: 56493 diff changeset	71	\
55767 8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	72	experimental(size_t, EpsilonMinHeapExpand, 128 * M, \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	73	"Min expansion step for heap. Larger value improves performance " \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	74	"at the potential expense of memory waste.") \
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	75	range(1, max_intx)
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	76
8e22715afabc Initial import of Epsilon sources from jdk10/sandbox shade parents: diff changeset	77	#endif // SHARE_VM_GC_EPSILON_GLOBALS_HPP

author	shade
	Thu, 03 May 2018 11:59:58 +0200
branch	epsilon-gc-branch
changeset 56510	54c1aa06c1d8
parent 56493	b99bcc5a6c2a
child 56577	338a117fb65c
permissions	-rw-r--r--