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Truffle: add object API to truffle distribution, update changelog
author Andreas Woess <andreas.woess@jku.at>
date Tue, 18 Nov 2014 23:11:00 +0100
parents 104be1322fb7
children 0e794bf2decb
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1 # GraalVM Changelog
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2
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3 ## `tip`
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4 ### Graal
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5 * Changed name suite specification from `mx/projects.py` to `mx/suite.py`.
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6 * ...
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7
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8 ### Truffle
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9 * Relaxed declared type restriction on child fields to allow for interface types in addition to Node subclasses.
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10 * The BranchProfile constructor is now private. Use BranchProfile#create() instead.
18130
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11 * Renamed @CompilerDirectives.SlowPath to @CompilerDirectives.TruffleBoundary
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12 * Renamed RootNode#isSplittable to RootNode#isCloningAllowed
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13 * Removed RootNode#split. Cloning ASTs for splitting is now an implementation detail of the Truffle runtime implementation.
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14 * Renamed DirectCallNode#isSplittable to DirectCallNode#isCallTargetCloningAllowed
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15 * Renamed DirectCallNode#split to DirectCallNode#cloneCallTarget
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16 * Renamed DirectCallNode#isSplit to DirectCallNode#isCallTargetCloned
18164
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17 * Added PrimitiveValueProfile.
18276
1f3ab088d958 Truffle: implemented defer compilation.
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18 * Added -G:TruffleTimeThreshold=5000 option to defer compilation for call targets
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19 * Added RootNode#getExecutionContext to identify nodes with languages
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20 * Removed `FrameTypeConversion` interface and changed the corresponding `FrameDescriptor` constructor to have a default value parameter instead.
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21 * Removed `CompilerDirectives.unsafeFrameCast` (equivalent to a `(MaterializedFrame)` cast).
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22 * Added `TruffleRuntime#getCapability` API method.
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23 * Added `NodeInterface` and allowed child field to be declared with interfaces that extend it.
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24 * Added `CompilerOptions` and allowed it to be set for `ExecutionContext` and `RootNode`.
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25 * Added experimental object API.
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26 * ...
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27
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28 ## Version 0.5
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29 23-Sep-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.5)
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30 ### Graal
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31 * New register allocator optimization: `-G:+ConstantLoadOptimization`.
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32 * SPARC backend is able to run benchmark and passing most of the JTTs.
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33 * Fix: Stamp: interface types can not be trusted except after explicit runtime checks.
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34 * Changed format of suite specification from a properties file (`mx/projects`) to a Python file (`mx/projects.py`).
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35
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36
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37 ### Truffle
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38 * Added `TruffleRuntime#getCallTargets()` to get all call targets that were created and are still referenced.
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39 * Added `NeverValidAssumption` to complement `AlwaysValidAssumption`.
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40 * Fixed a bug in `AssumedValue` that may not invalidate correctly.
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41 * New option, `-G:+/-TruffleCompilationExceptionsAreThrown`, that will throw an `OptimizationFailedException` for compiler errors.
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42
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43 ## Version 0.4
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44 19-Aug-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.4)
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45 ### Graal
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46 * Made initialization of Graal runtime lazy in hosted mode.
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47 * Added supported for new `jrelibrary` dependency type in `mx/projects`.
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48 * Java projects with compliance level higher than the JDKs specified by `JAVA_HOME` and `EXTRA_JAVA_HOMES` are ignored once `mx/projects` has been processed.
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49 * `ResolvedJavaType.resolveMethod` now takes a context type used to perform access checks. It now works correctly regarding default methods.
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50 * Removed Java based compilation queue (`CompilationQueue.java`).
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51 * Enabled use of separate class loader (via `-XX:+UseGraalClassLoader`) for classes loaded from `graal.jar` to hide them from application classes.
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52
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53 ### Truffle
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54 * Change API for stack walking to a visitor: `TruffleRuntime#iterateFrames` replaces `TruffleRuntime#getStackTrace`
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55 * New flag `-G:+TraceTruffleCompilationCallTree` to print the tree of inlined calls before compilation.
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56 * `truffle.jar`: strip out build-time only dependency into a seperated JAR file (`truffle-dsl-processor.jar`)
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57 * New flag `-G:+TraceTruffleCompilationAST` to print the AST before compilation.
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58 * New experimental `TypedObject` interface added.
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59 * Renamed flag `-G:+TruffleSplittingEnabled` to `-G:+TruffleSplitting`
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60 * New flag `-G:+TruffleSplittingNew` to enable the experimental splitting mode based on function arguments.
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61 * New flag `-G:+TruffleSplittingTypedInstanceStamps` to enable splitting for `TypedObject` instances.
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62 * New flag `-G:+TruffleSplittingClassInstanceStamps` to enable splitting for Java object instances except `TypedObject`.
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63 * New flag `-G:TruffleSplittingStartCallCount=3` which sets the number of minimal calls until splitting is performed.
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64 * New flag `-G:-TruffleSplittingAggressive` if enabled splits every function call.
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65 * Added `isVisited` method for `BranchProfile`.
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66 * Added new `ConditionProfile`, `BinaryConditionProfile` and `CountingConditionProfile` utility classes to profile if conditions.
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67
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68 ## Version 0.3
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69 9-May-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.3)
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71 ### Graal
14945
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72 * Explicit support for oop compression/uncompression in high level graph.
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45045ab19008 Add LIRGenerator refactoring to CHANGELOG.
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73 * LIRGenerator refactoring.
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74 * Explicit types for inputs (InputType enum).
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75 * Added graal.version system property to Graal enabled VM builds.
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76 * Transitioned to JDK 8 as minimum JDK level for Graal.
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77 * Added support for stack introspection.
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78 * New MatchRule facility to convert multiple HIR nodes into specialized LIR
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79
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80 ### Truffle
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81 * The method `CallTarget#call` takes now a variable number of Object arguments.
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82 * Support for collecting stack traces and for accessing the current frame in slow paths (see `TruffleRuntime#getStackTrace`).
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83 * Renamed `CallNode` to `DirectCallNode`.
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84 * Renamed `TruffleRuntime#createCallNode` to `TruffleRuntime#createDirectCallNode`.
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85 * Added `IndirectCallNode` for calls with a changing `CallTarget`.
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86 * Added `TruffleRuntime#createIndirectCallNode` to create an `IndirectCallNode`.
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87 * `DirectCallNode#inline` was renamed to `DirectCallNode#forceInlining()`.
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88 * Removed deprecated `Node#adoptChild`.
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89
483d05bf77a7 changelog: graal-0.2
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90 ## Version 0.2
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91 25-Mar-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.2)
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92
483d05bf77a7 changelog: graal-0.2
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93 ### Graal
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94 * Use HotSpot stubs for certain array copy operations.
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95 * New methods for querying memory usage of individual objects and object graphs in Graal API (`MetaAccessProvider#getMemorySize`, `MetaUtil#getMemorySizeRecursive`).
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96 * Added tiered configuration (C1 + Graal).
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97 * Initial security model for Graal [GRAAL-22](https://bugs.openjdk.java.net/browse/GRAAL-22).
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98 * New (tested) invariant that equality comparisons for `JavaType`/`JavaMethod`/`JavaField` values use `.equals()` instead of `==`.
14172
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99 * Made graph caching compilation-local.
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100 * Added AllocSpy tool for analyzing allocation in Graal using the [Java Allocation Instrumenter](https://code.google.com/p/java-allocation-instrumenter/).
15013
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101 * Initial support for memory arithmetic operations on x86.
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102 * Expanded Debug logging/dumping API to avoid allocation when this Debug facilities are not enabled.
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103
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104 ### Truffle
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105 * New API `TruffleRuntime#createCallNode` to create call nodes and to give the runtime system control over its implementation.
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106 * New API `RootNode#getCachedCallNodes` to get a weak set of `CallNode`s that have registered to call the `RootNode`.
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107 * New API to split the AST of a call-site context sensitively. `CallNode#split`, `CallNode#isSplittable`, `CallNode#getSplitCallTarget`, `CallNode#getCurrentCallTarget`, `RootNode#isSplittable`, `RootNode#split`.
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108 * New API to inline a call-site into the call-graph. `CallNode#isInlinable`, `CallNode#inline`, `CallNode#isInlined`.
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109 * New API for the runtime environment to register `CallTarget`s as caller to the `RootNode`. `CallNode#registerCallTarget`.
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110 * Improved API for counting nodes in Truffle ASTs. `NodeUtil#countNodes` can be used with a `NodeFilter`.
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111 * New API to declare the cost of a Node for use in runtime environment specific heuristics. See `NodeCost`, `Node#getCost` and `NodeInfo#cost`.
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112 * Removed old API for `NodeInfo#Kind` and `NodeInfo#kind`. As a replacement the new `NodeCost` API can be used.
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Bernhard Urban <bernhard.urban@jku.at>
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113 * Changed `Node#replace` reason parameter type to `CharSequence` (to enable lazy string building)
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Andreas Woess <andreas.woess@jku.at>
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114 * Deprecated `Node#adoptChild` and `Node#adoptChildren`, no longer needed in node constructor
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parents: 14630
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115 * New `Node#insert` method for inserting new nodes into the tree (formerly `adoptChild`)
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
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116 * New `Node#adoptChildren` helper method that adopts all (direct and indirect) children of a node
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parents: 14630
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117 * New API `Node#atomic` for atomic tree operations
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
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118 * Made `Node#replace` thread-safe
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Christian Humer <christian.humer@gmail.com>
parents: 14172
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119
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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120
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121 ## Version 0.1
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122 5-Feb-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.1)
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parents: 13962 13920
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123
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parents: 13879
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124 ### Graal
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125
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parents: 13879
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126 * Initial version of a dynamic Java compiler written in Java.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
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127 * Support for multiple co-existing GPU backends ([GRAAL-1](https://bugs.openjdk.java.net/browse/GRAAL-1)).
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
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128 * Fixed a compiler bug when running RuneScape ([GRAAL-7](https://bugs.openjdk.java.net/browse/GRAAL-7)).
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parents: 13879
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129 * Bug fixes ([GRAAL-4](https://bugs.openjdk.java.net/browse/GRAAL-4), [GRAAL-5](https://bugs.openjdk.java.net/browse/GRAAL-5)).
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130
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parents: 13879
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131 ### Truffle
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132
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parents: 13879
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133 * Initial version of a multi-language framework on top of Graal.
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parents: 13879
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134 * Update of the [Truffle Inlining API](http://mail.openjdk.java.net/pipermail/graal-dev/2014-January/001516.html).