mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 08:24:39 +00:00
Add kernel generation to the compiler/perf script
R=het@google.com Review URL: https://codereview.chromium.org/2436333002 .
This commit is contained in:
parent
2bcd189f2d
commit
02a14cd937
|
@ -9,6 +9,10 @@ import 'dart:async';
|
|||
import 'dart:io';
|
||||
|
||||
import 'package:compiler/compiler_new.dart';
|
||||
import 'package:compiler/src/apiimpl.dart';
|
||||
import 'package:compiler/src/compiler.dart';
|
||||
import 'package:compiler/src/kernel/task.dart';
|
||||
import 'package:compiler/src/elements/elements.dart';
|
||||
import 'package:compiler/src/common.dart';
|
||||
import 'package:compiler/src/diagnostics/diagnostic_listener.dart';
|
||||
import 'package:compiler/src/diagnostics/messages.dart'
|
||||
|
@ -51,20 +55,36 @@ main(List<String> args) async {
|
|||
|
||||
await setup(entryUri);
|
||||
|
||||
if (bench == 'scan') {
|
||||
Set<SourceFile> files = await scanReachableFiles(entryUri);
|
||||
// TODO(sigmund): consider replacing the warmup with instrumented snapshots.
|
||||
for (int i = 0; i < 10; i++) scanFiles(files);
|
||||
} else if (bench == 'parse') {
|
||||
Set<SourceFile> files = await scanReachableFiles(entryUri);
|
||||
// TODO(sigmund): consider replacing the warmup with instrumented snapshots.
|
||||
for (int i = 0; i < 10; i++) parseFiles(files);
|
||||
} else {
|
||||
print('unsupported bench-id: $bench. Please specify "scan" or "parse"');
|
||||
var handlers = {
|
||||
'scan': () async {
|
||||
Set<SourceFile> files = await scanReachableFiles(entryUri);
|
||||
// TODO(sigmund): replace the warmup with instrumented snapshots.
|
||||
for (int i = 0; i < 10; i++) scanFiles(files);
|
||||
},
|
||||
'parse': () async {
|
||||
Set<SourceFile> files = await scanReachableFiles(entryUri);
|
||||
// TODO(sigmund): replace the warmup with instrumented snapshots.
|
||||
for (int i = 0; i < 10; i++) parseFiles(files);
|
||||
},
|
||||
'kernel_gen_e2e': () async {
|
||||
// TODO(sigmund): remove. This is used to compute the input size, we
|
||||
// should extract input size from frontend instead.
|
||||
await scanReachableFiles(entryUri);
|
||||
// TODO(sigmund): replace this warmup. Note that for very large programs,
|
||||
// the GC pressure on the VM seems to make this worse with time (maybe we
|
||||
// are leaking memory?). That's why we run it twice and not 10 times.
|
||||
for (int i = 0; i < 2; i++) await generateKernel(entryUri);
|
||||
},
|
||||
};
|
||||
|
||||
var handler = handlers[bench];
|
||||
if (handler == null) {
|
||||
// TODO(sigmund): implement the remaining benchmarks.
|
||||
print('unsupported bench-id: $bench. Please specify one of the following: '
|
||||
'${handler.keys.join(", ")}');
|
||||
exit(1);
|
||||
}
|
||||
|
||||
await handler();
|
||||
totalTimer.stop();
|
||||
report("total", totalTimer.elapsedMicroseconds);
|
||||
}
|
||||
|
@ -317,3 +337,68 @@ class _ParserOptions implements ParserOptions {
|
|||
const _ParserOptions();
|
||||
bool get enableGenericMethodSyntax => true;
|
||||
}
|
||||
|
||||
generateKernel(Uri entryUri) async {
|
||||
var timer = new Stopwatch()..start();
|
||||
var options = new CompilerOptions(
|
||||
entryPoint: entryUri,
|
||||
libraryRoot: _libraryRoot,
|
||||
packagesDiscoveryProvider: findPackages,
|
||||
platformConfigUri: _platformConfigUri,
|
||||
useKernel: true,
|
||||
verbose: false); // set to true to debug internal timings
|
||||
var inputProvider = new CompilerSourceFileProvider();
|
||||
var diagnosticHandler = new FormattingDiagnosticHandler(inputProvider)
|
||||
..verbose = options.verbose;
|
||||
var compiler = new MyCompiler(inputProvider, diagnosticHandler, options);
|
||||
await compiler.run(entryUri);
|
||||
timer.stop();
|
||||
report("kernel_gen_e2e", timer.elapsedMicroseconds);
|
||||
}
|
||||
|
||||
// We subclass compiler to skip phases and stop after creating kernel.
|
||||
class MyCompiler extends CompilerImpl {
|
||||
MyCompiler(CompilerInput provider, CompilerDiagnostics handler,
|
||||
CompilerOptions options)
|
||||
: super(provider, null, handler, options) {}
|
||||
|
||||
/// Performs the compilation when all libraries have been loaded.
|
||||
void compileLoadedLibraries() =>
|
||||
selfTask.measureSubtask("KernelCompiler.compileLoadedLibraries", () {
|
||||
computeMain();
|
||||
mirrorUsageAnalyzerTask.analyzeUsage(mainApp);
|
||||
|
||||
deferredLoadTask.beforeResolution(this);
|
||||
impactStrategy = backend.createImpactStrategy(
|
||||
supportDeferredLoad: deferredLoadTask.isProgramSplit,
|
||||
supportDumpInfo: options.dumpInfo,
|
||||
supportSerialization: serialization.supportSerialization);
|
||||
|
||||
phase = Compiler.PHASE_RESOLVING;
|
||||
|
||||
// Note: we enqueue everything in the program so we measure generating
|
||||
// kernel for the entire code, not just what's reachable from main.
|
||||
libraryLoader.libraries.forEach((LibraryElement library) {
|
||||
fullyEnqueueLibrary(library, enqueuer.resolution);
|
||||
});
|
||||
|
||||
backend.enqueueHelpers(enqueuer.resolution, globalDependencies);
|
||||
resolveLibraryMetadata();
|
||||
reporter.log('Resolving...');
|
||||
processQueue(enqueuer.resolution, mainFunction);
|
||||
enqueuer.resolution.logSummary(reporter.log);
|
||||
|
||||
(reporter as CompilerDiagnosticReporter)
|
||||
.reportSuppressedMessagesSummary();
|
||||
|
||||
if (compilationFailed) {
|
||||
// TODO(sigmund): more diagnostics?
|
||||
print("compilation failed!");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
closeResolution();
|
||||
var program = (backend as dynamic).kernelTask.program;
|
||||
print('total libraries: ${program.libraries.length}');
|
||||
});
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue