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src/share/vm/opto/phase.cpp@98cb887364d3 (annotated)

src/share/vm/opto/phase.cpp

Fri, 27 Feb 2009 13:27:09 -0800

author

twisti

date

Fri, 27 Feb 2009 13:27:09 -0800

changeset 1040

98cb887364d3

parent 905

ad8c8ca4ab0f

child 1356

046932b72aa2

permissions

-rw-r--r--

6810672: Comment typos
Summary: I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never

duke@435	1	/*
xdono@905	2	* Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	#include "incls/_precompiled.incl"
duke@435	26	#include "incls/_phase.cpp.incl"
duke@435	27
duke@435	28	#ifndef PRODUCT
duke@435	29	int Phase::_total_bytes_compiled = 0;
duke@435	30
duke@435	31	elapsedTimer Phase::_t_totalCompilation;
duke@435	32	elapsedTimer Phase::_t_methodCompilation;
duke@435	33	elapsedTimer Phase::_t_stubCompilation;
duke@435	34	#endif
duke@435	35
duke@435	36	// The next timers used for LogCompilation
duke@435	37	elapsedTimer Phase::_t_parser;
duke@435	38	elapsedTimer Phase::_t_escapeAnalysis;
duke@435	39	elapsedTimer Phase::_t_optimizer;
duke@435	40	elapsedTimer Phase::_t_idealLoop;
duke@435	41	elapsedTimer Phase::_t_ccp;
duke@435	42	elapsedTimer Phase::_t_matcher;
duke@435	43	elapsedTimer Phase::_t_registerAllocation;
duke@435	44	elapsedTimer Phase::_t_output;
duke@435	45
duke@435	46	#ifndef PRODUCT
duke@435	47	elapsedTimer Phase::_t_graphReshaping;
duke@435	48	elapsedTimer Phase::_t_scheduler;
rasbold@853	49	elapsedTimer Phase::_t_blockOrdering;
duke@435	50	elapsedTimer Phase::_t_macroExpand;
duke@435	51	elapsedTimer Phase::_t_peephole;
duke@435	52	elapsedTimer Phase::_t_codeGeneration;
duke@435	53	elapsedTimer Phase::_t_registerMethod;
duke@435	54	elapsedTimer Phase::_t_temporaryTimer1;
duke@435	55	elapsedTimer Phase::_t_temporaryTimer2;
duke@435	56
duke@435	57	// Subtimers for _t_optimizer
duke@435	58	elapsedTimer Phase::_t_iterGVN;
duke@435	59	elapsedTimer Phase::_t_iterGVN2;
duke@435	60
duke@435	61	// Subtimers for _t_registerAllocation
duke@435	62	elapsedTimer Phase::_t_ctorChaitin;
duke@435	63	elapsedTimer Phase::_t_buildIFGphysical;
duke@435	64	elapsedTimer Phase::_t_computeLive;
duke@435	65	elapsedTimer Phase::_t_regAllocSplit;
duke@435	66	elapsedTimer Phase::_t_postAllocCopyRemoval;
duke@435	67	elapsedTimer Phase::_t_fixupSpills;
duke@435	68
duke@435	69	// Subtimers for _t_output
duke@435	70	elapsedTimer Phase::_t_instrSched;
duke@435	71	elapsedTimer Phase::_t_buildOopMaps;
duke@435	72	#endif
duke@435	73
duke@435	74	//------------------------------Phase------------------------------------------
duke@435	75	Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
twisti@1040	76	// Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
duke@435	77	// This is an effective place to poll, since the compiler is full of phases.
duke@435	78	// In particular, every inlining site uses a recursively created Parse phase.
duke@435	79	CompileBroker::maybe_block();
duke@435	80	}
duke@435	81
duke@435	82	#ifndef PRODUCT
duke@435	83	static const double minimum_reported_time = 0.0001; // seconds
duke@435	84	static const double expected_method_compile_coverage = 0.97; // %
duke@435	85	static const double minimum_meaningful_method_compile = 2.00; // seconds
duke@435	86
duke@435	87	void Phase::print_timers() {
duke@435	88	tty->print_cr ("Accumulated compiler times:");
duke@435	89	tty->print_cr ("---------------------------");
duke@435	90	tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
duke@435	91	tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds());
duke@435	92	tty->print ("/%d bytes",_total_bytes_compiled);
duke@435	93	tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
duke@435	94	tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds());
duke@435	95	tty->print_cr (" Phases:");
duke@435	96	tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds());
duke@435	97	if (DoEscapeAnalysis) {
duke@435	98	tty->print_cr (" escape analysis : %3.3f sec", Phase::_t_escapeAnalysis.seconds());
duke@435	99	}
duke@435	100	tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds());
duke@435	101	if( Verbose || WizardMode ) {
duke@435	102	tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds());
duke@435	103	tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds());
duke@435	104	tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds());
duke@435	105	tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds());
duke@435	106	tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds());
duke@435	107	double optimizer_subtotal = Phase::_t_iterGVN.seconds() +
duke@435	108	Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
duke@435	109	Phase::_t_graphReshaping.seconds();
duke@435	110	double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
duke@435	111	tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer);
duke@435	112	}
duke@435	113	tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds());
duke@435	114	tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds());
duke@435	115	tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds());
duke@435	116	if( Verbose || WizardMode ) {
duke@435	117	tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds());
duke@435	118	tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
duke@435	119	tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds());
duke@435	120	tty->print_cr (" regAllocSplit: %3.3f sec", Phase::_t_regAllocSplit.seconds());
duke@435	121	tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
duke@435	122	tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds());
duke@435	123	double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
duke@435	124	Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
duke@435	125	Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() +
duke@435	126	Phase::_t_postAllocCopyRemoval.seconds();
duke@435	127	double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
duke@435	128	tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc);
duke@435	129	}
duke@435	130	tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds());
rasbold@853	131	tty->print_cr (" blockOrdering: %3.3f sec", Phase::_t_blockOrdering.seconds());
duke@435	132	tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds());
duke@435	133	tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds());
duke@435	134	tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds());
duke@435	135	tty->print_cr (" ------------ : ----------");
duke@435	136	double phase_subtotal = Phase::_t_parser.seconds() +
duke@435	137	(DoEscapeAnalysis ? Phase::_t_escapeAnalysis.seconds() : 0.0) +
duke@435	138	Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
duke@435	139	Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
rasbold@853	140	Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
duke@435	141	Phase::_t_macroExpand.seconds() + Phase::_t_peephole.seconds() +
duke@435	142	Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
duke@435	143	double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
duke@435	144	// counters inside Compile::CodeGen include time for adapters and stubs
duke@435	145	// so phase-total can be greater than 100%
duke@435	146	tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile);
duke@435	147
duke@435	148	assert( percent_of_method_compile > expected_method_compile_coverage ||
duke@435	149	phase_subtotal < minimum_meaningful_method_compile,
duke@435	150	"Must account for method compilation");
duke@435	151
duke@435	152	if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
duke@435	153	tty->cr();
duke@435	154	tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
duke@435	155	}
duke@435	156	if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
duke@435	157	tty->cr();
duke@435	158	tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
duke@435	159	}
duke@435	160	tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds());
duke@435	161	tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds());
duke@435	162	tty->print_cr (" bldOopMaps: %3.3f sec", Phase::_t_buildOopMaps.seconds());
duke@435	163	}
duke@435	164	#endif