1 /*
2 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.graal.phases;
24
25 /**
26 * This class encapsulates options that control the behavior of the Graal compiler.
27 *
28 * (thomaswue) WARNING: Fields of this class are treated as final by Graal.
29 */
30 // @formatter:off
31 public final class GraalOptions {
32
33 // Checkstyle: stop
34 private static final boolean ____ = false;
35 // Checkstyle: resume
36
37 public static int Threads = 4;
38
39 public static String CompilerConfiguration = "basic";
40
41 // inlining settings
42 public static boolean Inline = true;
43 public static boolean AlwaysInlineIntrinsics = ____;
44 public static boolean Intrinsify = true;
45 static boolean InlineMonomorphicCalls = true;
46 static boolean InlinePolymorphicCalls = true;
47 static boolean InlineMegamorphicCalls = ____;
48 public static int MaximumDesiredSize = 5000;
49 public static int MaximumRecursiveInlining = 1;
50 public static float BoostInliningForEscapeAnalysis = 2f;
51 public static float RelevanceCapForInlining = 1f;
52 public static boolean IterativeInlining = ____;
53
54 public static int TrivialBytecodeSize = 10;
55 public static int NormalBytecodeSize = 150;
56 public static int MaximumBytecodeSize = 500;
57 public static int TrivialComplexity = 10;
58 public static int NormalComplexity = 60;
59 public static int MaximumComplexity = 400;
60 public static int TrivialCompiledCodeSize = 150;
61 public static int NormalCompiledCodeSize = 750;
62 public static int MaximumCompiledCodeSize = 4000;
63 public static int SmallCompiledCodeSize = 1000;
64
65 // escape analysis settings
66 public static boolean PartialEscapeAnalysis = true;
67 public static boolean EscapeAnalysisHistogram = ____;
68 public static int EscapeAnalysisIterations = 2;
69 public static String EscapeAnalyzeOnly = null;
70 public static int MaximumEscapeAnalysisArrayLength = 32;
71 public static boolean PEAInliningHints = ____;
72
73 public static double TailDuplicationProbability = 0.5;
74 public static int TailDuplicationTrivialSize = 1;
75
76 // profiling information
77 public static int DeoptsToDisableOptimisticOptimization = 40;
78 public static int MatureExecutionsBranch = 1;
79 public static int MatureExecutionsPerSwitchCase = 1;
80 public static int MatureExecutionsTypeProfile = 1;
81
82 // comilation queue
83 public static int TimedBootstrap = -1;
84 public static boolean PriorityCompileQueue = true;
85 public static int SlowQueueCutoff = 100000;
86 public static boolean SlowCompileThreads = ____;
87 public static boolean DynamicCompilePriority = ____;
88 public static String CompileTheWorld = null;
89 public static int CompileTheWorldStartAt = 1;
90 public static int CompileTheWorldStopAt = Integer.MAX_VALUE;
91
92 // graph caching
93 public static boolean CacheGraphs = true;
94 public static int GraphCacheSize = 1000;
95 public static boolean PrintGraphCache = ____;
96
97 //loop transform settings TODO (gd) tune
98 public static boolean LoopPeeling = true;
99 public static boolean ReassociateInvariants = true;
100 public static boolean FullUnroll = true;
101 public static boolean LoopUnswitch = true;
102 public static int FullUnrollMaxNodes = 300;
103 public static int ExactFullUnrollMaxNodes = 1200;
104 public static float MinimumPeelProbability = 0.35f;
105 public static int LoopMaxUnswitch = 3;
106 public static int LoopUnswitchMaxIncrease = 50;
107 public static int LoopUnswitchUncertaintyBoost = 5;
108
109 // debugging settings
110 public static boolean ZapStackOnMethodEntry = ____;
111 public static boolean DeoptALot = ____;
112 public static boolean VerifyPhases = false;
113
114 public static String PrintFilter = null;
115
116 // Debug settings:
117 public static boolean Debug = true;
118 public static boolean DebugReplacements = ____;
119 public static boolean BootstrapReplacements = ____;
120 public static boolean PerThreadDebugValues = ____;
121 public static boolean SummarizeDebugValues = ____;
122 public static boolean SummarizePerPhase = ____;
123 public static String Dump = null;
124 public static String Meter = null;
125 public static String Time = null;
126 public static String Log = null;
127 public static String LogFile = null;
128 public static String MethodFilter = null;
129 public static boolean DumpOnError = ____;
130 public static boolean GenericDynamicCounters = ____;
131 public static String BenchmarkDynamicCounters = null;
132
133 // Ideal graph visualizer output settings
134 public static boolean PrintBinaryGraphs = true;
135 public static boolean PrintCFG = ____;
136 public static boolean PrintIdealGraphFile = ____;
137 public static String PrintIdealGraphAddress = "127.0.0.1";
138 public static int PrintIdealGraphPort = 4444;
139 public static int PrintBinaryGraphPort = 4445;
140
141 // Other printing settings
142 public static boolean PrintQueue = ____;
143 public static boolean PrintCompilation = ____;
144 public static boolean PrintProfilingInformation = ____;
145 public static boolean PrintIRWithLIR = ____;
146 public static boolean PrintCodeBytes = ____;
147 public static boolean PrintBailout = ____;
148 public static int TraceLinearScanLevel = 0;
149 public static int TraceLIRGeneratorLevel = 0;
150 public static boolean TraceEscapeAnalysis = ____;
151 public static int TraceBytecodeParserLevel = 0;
152 public static boolean ExitVMOnBailout = ____;
153 public static boolean ExitVMOnException = true;
154
155 // HotSpot command line options
156 public static boolean HotSpotPrintCompilation = ____;
157 public static boolean HotSpotPrintInlining = ____;
158
159 // Register allocator debugging
160 public static String RegisterPressure = null;
161
162 // Code generator settings
163 public static boolean ConditionalElimination = true;
164 public static boolean CullFrameStates = ____;
165 public static boolean UseProfilingInformation = true;
166 static boolean RemoveNeverExecutedCode = true;
167 static boolean UseExceptionProbability = true;
168 static boolean UseExceptionProbabilityForOperations = true;
169 public static boolean OmitHotExceptionStacktrace = ____;
170 public static boolean GenSafepoints = true;
171 public static boolean GenLoopSafepoints = true;
172 static boolean UseTypeCheckHints = true;
173 public static boolean InlineVTableStubs = true;
174 public static boolean AlwaysInlineVTableStubs = ____;
175 public static boolean GenAssertionCode = ____;
176 public static boolean AlignCallsForPatching = true;
177 public static boolean ResolveClassBeforeStaticInvoke = ____;
178 public static boolean CanOmitFrame = true;
179 public static int SafepointPollOffset = 256;
180
181 public static boolean MemoryAwareScheduling = true;
182
183 // Translating tableswitch instructions
184 public static int MinimumJumpTableSize = 5;
185 public static int RangeTestsSwitchDensity = 5;
186 public static double MinTableSwitchDensity = 0.5;
187
188 public static boolean DetailedAsserts = ____;
189
190 // Runtime settings
191 public static int StackShadowPages = 2;
192
193 public static boolean SupportJsrBytecodes = true;
194
195 public static boolean OptAssumptions = true;
196 public static boolean OptConvertDeoptsToGuards = true;
197 public static boolean OptReadElimination = true;
198 public static boolean OptEarlyReadElimination = true;
199 public static boolean OptCanonicalizer = true;
200 public static boolean OptScheduleOutOfLoops = true;
201 public static boolean OptEliminateGuards = true;
202 public static boolean OptEliminateSafepoints = true;
203 public static boolean OptImplicitNullChecks = true;
204 public static boolean OptLivenessAnalysis = true;
205 public static boolean OptLoopTransform = true;
206 public static boolean OptFloatingReads = true;
207 public static boolean OptTailDuplication = true;
208 public static boolean OptEliminatePartiallyRedundantGuards = true;
209 public static boolean OptFilterProfiledTypes = true;
210 public static boolean OptDevirtualizeInvokesOptimistically = true;
211 public static boolean OptPushThroughPi = true;
212
213
214 // Intrinsification settings
215 public static boolean IntrinsifyObjectClone = ____;
216 public static boolean IntrinsifyArrayCopy = true;
217 public static boolean IntrinsifyObjectMethods = true;
218 public static boolean IntrinsifySystemMethods = true;
219 public static boolean IntrinsifyClassMethods = true;
220 public static boolean IntrinsifyThreadMethods = true;
221 public static boolean IntrinsifyUnsafeMethods = true;
222 public static boolean IntrinsifyMathMethods = true;
223 public static boolean IntrinsifyAESMethods = true;
224 public static boolean IntrinsifyInstalledCodeMethods = true;
225 public static boolean IntrinsifyCallSiteTarget = true;
226 /**
227 * Counts the various paths taken through snippets.
228 */
229 public static boolean SnippetCounters = false;
230
231 /**
232 * If the probability that a checkcast will hit one the profiled types (up to {@link #CheckcastMaxHints})
233 * is below this value, the checkcast will be compiled without hints.
234 */
235 public static double CheckcastMinHintHitProbability = 0.5;
236
237 /**
238 * The maximum number of hint types that will be used when compiling a checkcast for which
239 * profiling information is available. Note that {@link #CheckcastMinHintHitProbability}
240 * also influences whether hints are used.
241 */
242 public static int CheckcastMaxHints = 2;
243
244 /**
245 * @see #CheckcastMinHintHitProbability
246 */
247 public static double InstanceOfMinHintHitProbability = 0.5;
248
249 /**
250 * @see #CheckcastMaxHints
251 */
252 public static int InstanceOfMaxHints = 2;
253
254 static {
255 // turn detailed assertions on when the general assertions are on (misusing the assert keyword for this)
256 assert (DetailedAsserts = true) == true;
257 }
258 }