Examples with CompilationResult org.graalvm.compiler.code.CompilationResult used on opensource projects

Example 26 with CompilationResult

use of org.graalvm.compiler.code.CompilationResult in project graal by oracle.

the class CompileQueue method defaultCompileFunction.

@SuppressWarnings("try")
private CompilationResult defaultCompileFunction(DebugContext debug, HostedMethod method, CompilationIdentifier compilationIdentifier, CompileReason reason, RuntimeConfiguration config) {
    if (NativeImageOptions.PrintAOTCompilation.getValue()) {
        System.out.println("Compiling " + method.format("%r %H.%n(%p)") + "  [" + reason + "]");
    }
    Backend backend = config.lookupBackend(method);
    StructuredGraph graph = method.compilationInfo.graph;
    assert graph != null : method;
    /* Operate on a copy, to keep the original graph intact for later inlining. */
    graph = graph.copyWithIdentifier(compilationIdentifier, debug);
    /* Check that graph is in good shape before compilation. */
    assert GraphOrder.assertSchedulableGraph(graph);
    try (DebugContext.Scope s = debug.scope("Compiling", graph, method, this)) {
        if (deoptimizeAll && method.compilationInfo.canDeoptForTesting) {
            insertDeoptTests(method, graph);
        }
        method.compilationInfo.numNodesBeforeCompilation = graph.getNodeCount();
        method.compilationInfo.numDeoptEntryPoints = graph.getNodes().filter(DeoptEntryNode.class).count();
        method.compilationInfo.numDuringCallEntryPoints = graph.getNodes(MethodCallTargetNode.TYPE).snapshot().stream().map(MethodCallTargetNode::invoke).filter(invoke -> method.compilationInfo.isDeoptEntry(invoke.bci(), true, false)).count();
        Suites suites = method.compilationInfo.isDeoptTarget() ? deoptTargetSuites : regularSuites;
        LIRSuites lirSuites = method.compilationInfo.isDeoptTarget() ? deoptTargetLIRSuites : regularLIRSuites;
        CompilationResult result = new CompilationResult(compilationIdentifier, method.format("%H.%n(%p)")) {

            @Override
            public void close() {
            /*
                     * Do nothing, we do not want our CompilationResult to be closed because we
                     * aggregate all data items and machine code in the native image heap.
                     */
            }
        };
        try (Indent indent = debug.logAndIndent("compile %s", method)) {
            GraalCompiler.compileGraph(graph, method, backend.getProviders(), backend, null, optimisticOpts, method.getProfilingInfo(), suites, lirSuites, result, new HostedCompilationResultBuilderFactory());
        }
        method.getProfilingInfo().setCompilerIRSize(StructuredGraph.class, method.compilationInfo.graph.getNodeCount());
        method.compilationInfo.numNodesAfterCompilation = graph.getNodeCount();
        if (method.compilationInfo.isDeoptTarget()) {
            assert verifyDeoptTarget(method, result);
        }
        for (Infopoint infopoint : result.getInfopoints()) {
            if (infopoint instanceof Call) {
                Call call = (Call) infopoint;
                HostedMethod callTarget = (HostedMethod) call.target;
                if (call.direct) {
                    ensureCompiled(callTarget, new DirectCallReason(method, reason));
                } else if (callTarget != null && callTarget.getImplementations() != null) {
                    for (HostedMethod impl : callTarget.getImplementations()) {
                        ensureCompiled(impl, new VirtualCallReason(method, callTarget, reason));
                    }
                }
            }
        }
        /* Shrink resulting code array to minimum size, to reduze memory footprint. */
        if (result.getTargetCode().length > result.getTargetCodeSize()) {
            result.setTargetCode(Arrays.copyOf(result.getTargetCode(), result.getTargetCodeSize()), result.getTargetCodeSize());
        }
        return result;
    } catch (Throwable ex) {
        GraalError error = ex instanceof GraalError ? (GraalError) ex : new GraalError(ex);
        error.addContext("method: " + method.format("%r %H.%n(%p)") + "  [" + reason + "]");
        throw error;
    }
}

Example 27 with CompilationResult

use of org.graalvm.compiler.code.CompilationResult in project graal by oracle.

the class CompileQueue method printMethodHistogram.

private void printMethodHistogram() {
    long sizeAllMethods = 0;
    long sizeDeoptMethods = 0;
    long sizeDeoptMethodsInNonDeopt = 0;
    long sizeNonDeoptMethods = 0;
    int numberOfMethods = 0;
    int numberOfNonDeopt = 0;
    int numberOfDeopt = 0;
    long totalNumDeoptEntryPoints = 0;
    long totalNumDuringCallEntryPoints = 0;
    System.out.format("Code Size; Nodes Before; Nodes After; Is Trivial;" + " Deopt Target; Code Size; Nodes Before; Nodes After; Deopt Entries; Deopt During Call;" + " Entry Points; Direct Calls; Virtual Calls; Method\n");
    List<CompileTask> tasks = new ArrayList<>(compilations.values());
    tasks.sort(Comparator.comparing(t2 -> t2.method.format("%H.%n(%p) %r")));
    for (CompileTask task : tasks) {
        HostedMethod method = task.method;
        CompilationResult result = task.result;
        CompilationInfo ci = method.compilationInfo;
        if (!ci.isDeoptTarget()) {
            numberOfMethods += 1;
            sizeAllMethods += result.getTargetCodeSize();
            System.out.format("%8d; %5d; %5d; %s;", result.getTargetCodeSize(), ci.numNodesBeforeCompilation, ci.numNodesAfterCompilation, ci.isTrivialMethod ? "T" : " ");
            int deoptMethodSize = 0;
            if (ci.deoptTarget != null) {
                CompilationInfo dci = ci.deoptTarget.compilationInfo;
                numberOfDeopt += 1;
                deoptMethodSize = compilations.get(ci.deoptTarget).result.getTargetCodeSize();
                sizeDeoptMethods += deoptMethodSize;
                sizeDeoptMethodsInNonDeopt += result.getTargetCodeSize();
                totalNumDeoptEntryPoints += dci.numDeoptEntryPoints;
                totalNumDuringCallEntryPoints += dci.numDuringCallEntryPoints;
                System.out.format(" D; %6d; %5d; %5d; %4d; %4d;", deoptMethodSize, dci.numNodesBeforeCompilation, dci.numNodesAfterCompilation, dci.numDeoptEntryPoints, dci.numDuringCallEntryPoints);
            } else {
                sizeNonDeoptMethods += result.getTargetCodeSize();
                numberOfNonDeopt += 1;
                System.out.format("  ; %6d; %5d; %5d; %4d; %4d;", 0, 0, 0, 0, 0);
            }
            System.out.format(" %4d; %4d; %4d; %s\n", task.allReasons.stream().filter(t -> t instanceof EntryPointReason).count(), task.allReasons.stream().filter(t -> t instanceof DirectCallReason).count(), task.allReasons.stream().filter(t -> t instanceof VirtualCallReason).count(), method.format("%H.%n(%p) %r"));
        }
    }
    System.out.println();
    System.out.println("Size all methods                           ; " + sizeAllMethods);
    System.out.println("Size deopt methods                         ; " + sizeDeoptMethods);
    System.out.println("Size deopt methods in non-deopt mode       ; " + sizeDeoptMethodsInNonDeopt);
    System.out.println("Size non-deopt method                      ; " + sizeNonDeoptMethods);
    System.out.println("Number of methods                          ; " + numberOfMethods);
    System.out.println("Number of non-deopt methods                ; " + numberOfNonDeopt);
    System.out.println("Number of deopt methods                    ; " + numberOfDeopt);
    System.out.println("Number of deopt entry points               ; " + totalNumDeoptEntryPoints);
    System.out.println("Number of deopt during calls entries       ; " + totalNumDuringCallEntryPoints);
}

Example 28 with CompilationResult

use of org.graalvm.compiler.code.CompilationResult in project graal by oracle.

the class NativeImageCodeCache method patchMethods.

/**
 * Patch references from code to other code and constant data. Generate relocation information
 * in the process. More patching can be done, and correspondingly fewer relocation records
 * generated, if the caller passes a non-null rodataDisplacementFromText.
 *
 * @param relocs a relocation map
 */
public void patchMethods(RelocatableBuffer relocs) {
    // in each compilation result...
    for (Entry<HostedMethod, CompilationResult> entry : compilations.entrySet()) {
        HostedMethod method = entry.getKey();
        CompilationResult compilation = entry.getValue();
        // the codecache-relative offset of the compilation
        int compStart = method.getCodeAddressOffset();
        AMD64InstructionPatcher patcher = new AMD64InstructionPatcher(compilation);
        // ... patch direct call sites.
        for (Infopoint infopoint : compilation.getInfopoints()) {
            if (infopoint instanceof Call && ((Call) infopoint).direct) {
                Call call = (Call) infopoint;
                // NOTE that for the moment, we don't make static calls to external
                // (e.g. native) functions. So every static call site has a target
                // which is also in the code cache (a.k.a. a section-local call).
                // This will change, and we will have to case-split here... but not yet.
                int callTargetStart = ((HostedMethod) call.target).getCodeAddressOffset();
                // Patch a PC-relative call.
                // This code handles the case of section-local calls only.
                int pcDisplacement = callTargetStart - (compStart + call.pcOffset);
                patcher.findPatchData(call.pcOffset, pcDisplacement).apply(compilation.getTargetCode());
            }
        }
        // ... and patch references to constant data
        for (DataPatch dataPatch : compilation.getDataPatches()) {
            /*
                 * Constants are allocated offsets in a separate space, which can be emitted as
                 * read-only (.rodata) section.
                 */
            AMD64InstructionPatcher.PatchData patchData = patcher.findPatchData(dataPatch.pcOffset, 0);
            /*
                 * The relocation site is some offset into the instruction, which is some offset
                 * into the method, which is some offset into the text section (a.k.a. code cache).
                 * The offset we get out of the RelocationSiteInfo accounts for the first two, since
                 * we pass it the whole method. We add the method start to get the section-relative
                 * offset.
                 */
            long siteOffset = compStart + patchData.operandPosition;
            /*
                 * Do we have an addend? Yes; it's constStart. BUT x86/x86-64 PC-relative references
                 * are relative to the *next* instruction. So, if the next instruction starts n
                 * bytes from the relocation site, we want to subtract n bytes from our addend.
                 */
            long addend = (patchData.nextInstructionPosition - patchData.operandPosition);
            relocs.addPCRelativeRelocationWithAddend((int) siteOffset, patchData.operandSize, addend, dataPatch.reference);
        }
    }
}

Example 29 with CompilationResult

use of org.graalvm.compiler.code.CompilationResult in project graal by oracle.

the class NativeImageCodeCache method printCompilationResults.

public void printCompilationResults() {
    System.out.println("--- compiled methods");
    for (Entry<HostedMethod, CompilationResult> entry : compilations.entrySet()) {
        HostedMethod method = entry.getKey();
        System.out.format("%8d %5d %s: frame %d\n", method.getCodeAddressOffset(), entry.getValue().getTargetCodeSize(), method.format("%H.%n(%p)"), entry.getValue().getTotalFrameSize());
    }
    System.out.println("--- vtables:");
    for (HostedType type : imageHeap.getUniverse().getTypes()) {
        for (int i = 0; i < type.getVTable().length; i++) {
            HostedMethod method = type.getVTable()[i];
            if (method != null) {
                CompilationResult comp = compilations.get(type.getVTable()[i]);
                if (comp != null) {
                    System.out.format("%d %s @ %d: %s = 0x%x\n", type.getTypeID(), type.toJavaName(false), i, method.format("%r %n(%p)"), method.getCodeAddressOffset());
                }
            }
        }
    }
}

Example 30 with CompilationResult

use of org.graalvm.compiler.code.CompilationResult in project graal by oracle.

the class NativeImageCodeCache method writeCode.

public void writeCode(RelocatableBuffer buffer) {
    int startPos = buffer.getPosition();
    /*
         * Compilation start offsets are relative to the beginning of the code cache (since the heap
         * size is not fixed at the time they are computed). This is just startPos, i.e. we start
         * emitting the code wherever the buffer is positioned when we're called.
         */
    for (Entry<HostedMethod, CompilationResult> entry : compilations.entrySet()) {
        HostedMethod method = entry.getKey();
        CompilationResult compilation = entry.getValue();
        buffer.setPosition(startPos + method.getCodeAddressOffset());
        int codeSize = compilation.getTargetCodeSize();
        buffer.putBytes(compilation.getTargetCode(), 0, codeSize);
        for (int i = codeSize; i < ObjectLayout.roundUp(codeSize, CODE_ALIGNMENT); i++) {
            buffer.putByte(CODE_FILLER_BYTE);
        }
    }
    buffer.setPosition(startPos);
}