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Merge branch 'transforms-fixPerformance' into transforms-visitEachChildPerf

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This commit is contained in:
Ron Buckton 2016-05-26 22:15:22 -07:00
commit 5d4e47fa2f
11 changed files with 75 additions and 215 deletions
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4
src/compiler/binder.ts
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@ -86,9 +86,9 @@ namespace ts {
const binder = createBinder();
export function bindSourceFile(file: SourceFile, options: CompilerOptions) {
performance.mark("bindStart");
const bindStart = performance.mark();
binder(file, options);
performance.measure("bindTime", "bindStart");
performance.measure("bindTime", bindStart);
}
function createBinder(): (file: SourceFile, options: CompilerOptions) => void {

4
src/compiler/checker.ts
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@ -16512,11 +16512,11 @@ namespace ts {
}
function checkSourceFile(node: SourceFile) {
performance.mark("checkStart");
const checkStart = performance.mark();
checkSourceFileWorker(node);
performance.measure("checkTime", "checkStart");
performance.measure("checkTime", checkStart);
}
// Fully type check a source file and collect the relevant diagnostics.

41
src/compiler/comments.ts
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@ -82,12 +82,9 @@ namespace ts {
function getLeadingComments(range: TextRange): CommentRange[];
function getLeadingComments(range: TextRange, contextNode: Node, ignoreNodeCallback: (contextNode: Node) => boolean, getTextRangeCallback: (contextNode: Node) => TextRange): CommentRange[];
function getLeadingComments(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (contextNode: Node) => boolean, getTextRangeCallback?: (contextNode: Node) => TextRange) {
let comments: CommentRange[] = [];
let ignored = false;
if (contextNode) {
range = getTextRangeCallback(contextNode) || range;
if (ignoreNodeCallback(contextNode)) {
ignored = true;
// If the node will not be emitted in JS, remove all the comments (normal,
// pinned and `///`) associated with the node, unless it is a triple slash
// comment at the top of the file.
@ -101,16 +98,14 @@ namespace ts {
// The first `///` will NOT be removed while the second one will be removed
// even though both nodes will not be emitted.
if (range.pos === 0) {
comments = filter(getLeadingCommentsOfPosition(0), isTripleSlashComment);
return filter(getLeadingCommentsOfPosition(0), isTripleSlashComment);
}
return;
}
}
if (!ignored) {
comments = getLeadingCommentsOfPosition(range.pos);
}
return comments;
return getLeadingCommentsOfPosition(range.pos);
}
/**
@ -277,42 +272,42 @@ namespace ts {
reset,
setSourceFile,
getLeadingComments(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (contextNode: Node) => boolean, getTextRangeCallback?: (contextNode: Node) => TextRange): CommentRange[] {
performance.mark("commentStart");
const commentStart = performance.mark();
const comments = getLeadingComments(range, contextNode, ignoreNodeCallback, getTextRangeCallback);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
return comments;
},
getTrailingComments(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (contextNode: Node) => boolean, getTextRangeCallback?: (contextNode: Node) => TextRange): CommentRange[] {
performance.mark("commentStart");
const commentStart = performance.mark();
const comments = getTrailingComments(range, contextNode, ignoreNodeCallback, getTextRangeCallback);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
return comments;
},
getTrailingCommentsOfPosition(pos: number): CommentRange[] {
performance.mark("commentStart");
const commentStart = performance.mark();
const comments = getTrailingCommentsOfPosition(pos);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
return comments;
},
emitLeadingComments(range: TextRange, comments: CommentRange[], contextNode?: Node, getTextRangeCallback?: (contextNode: Node) => TextRange): void {
performance.mark("commentStart");
const commentStart = performance.mark();
emitLeadingComments(range, comments, contextNode, getTextRangeCallback);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
},
emitTrailingComments(range: TextRange, comments: CommentRange[]): void {
performance.mark("commentStart");
const commentStart = performance.mark();
emitLeadingComments(range, comments);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
},
emitLeadingDetachedComments(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (contextNode: Node) => boolean): void {
performance.mark("commentStart");
const commentStart = performance.mark();
emitLeadingDetachedComments(range, contextNode, ignoreNodeCallback);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
},
emitTrailingDetachedComments(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (contextNode: Node) => boolean): void {
performance.mark("commentStart");
const commentStart = performance.mark();
emitTrailingDetachedComments(range, contextNode, ignoreNodeCallback);
performance.measure("commentTime", "commentStart");
performance.measure("commentTime", commentStart);
}
};
}

132
src/compiler/core.ts
View File

@ -1139,158 +1139,64 @@ namespace ts {
/** Performance measurements for the compiler. */
/*@internal*/
export namespace performance {
interface MarkData {
markName: string;
timestamp: number;
}
interface MeasureData {
measureName: string;
startMarkName: string;
endMarkName: string;
timestamp: number;
marksOffset: number;
}
export interface Measure {
name: string;
startTime: number;
duration: number;
}
const markTimestamps: Map<number> = {};
const markCounts: Map<number> = {};
const measureDurations: Map<number> = {};
let start = now();
let counters: Map<number> = {};
let measures: Map<number> = {};
let enabled = false;
/** Gets the current timer for performance measurements. */
export function now() {
return Date.now();
}
/**
* Adds a performance mark with the specified name.
* Increments a counter with the specified name.
*
* @param markName The name of the performance mark.
* @param counterName The name of the counter.
*/
export function mark(markName: string) {
export function increment(counterName: string) {
if (enabled) {
markTimestamps[markName] = now();
markCounts[markName] = getCount(markName) + 1;
counters[counterName] = (getProperty(counters, counterName) || 0) + 1;
}
}
/**
* Gets the names of all marks.
*/
export function getMarkNames() {
return getKeys(markCounts);
}
/**
* Gets the number of marks with the specified name.
* Gets the value of the counter with the specified name.
*
* @param markName The name of the marks that should be counted.
* @param counterName The name of the counter.
*/
export function getCount(markName: string) {
return enabled && getProperty(markCounts, markName) || 0;
export function getCount(counterName: string) {
return enabled && getProperty(counters, counterName) || 0;
}
/**
* Gets the most recent timestamp for the marks with the specified name.
*
* @param markName The name of the mark.
* Marks the start of a performance measurement.
*/
export function getTimestamp(markName: string) {
return enabled && getProperty(markTimestamps, markName) || 0;
}
/**
* Clears performance marks.
*
* @param markName The name of the mark whose time values should be cleared. If not
* specified, all marks will be cleared.
*/
export function clearMarks(markName?: string) {
if (markName === undefined) {
forEachKey(markTimestamps, clearMark);
}
else {
clearMark(markName);
}
}
function clearMark(markName: string) {
if (delete markTimestamps[markName]) {
delete markCounts[markName];
}
export function mark() {
return enabled ? Date.now() : 0;
}
/**
* Adds a performance measurement with the specified name.
*
* @param measureName The name of the performance measurement.
* @param startMarkName The name of the starting mark.
* If provided, the most recent time value of the start mark is used.
* If not specified, the value is the time that the performance service was
* initialized or the last time it was reset.
* @param endMarkName The name of the ending mark.
* If provided, the most recent time value of the end mark is used.
* If not specified, the current time is used.
* @param marker The timestamp of the starting mark.
*/
export function measure(measureName: string, startMarkName?: string, endMarkName?: string) {
export function measure(measureName: string, marker: number) {
if (enabled) {
const startTime = startMarkName ? getTimestamp(startMarkName) : start;
const endTime = endMarkName ? getTimestamp(endMarkName) : now();
const duration = endTime - startTime;
measureDurations[measureName] = getDuration(measureName) + duration;
measures[measureName] = (getProperty(measures, measureName) || 0) + (mark() - marker);
}
}
/**
* Gets the names of all recorded measures.
*/
export function getMeasureNames() {
return getKeys(measureDurations);
}
/**
* Gets the total duration of all measurements with the supplied name.
*
* @param measureName The name of the measure whose durations should be accumulated.
*/
export function getDuration(measureName: string) {
return enabled && getProperty(measureDurations, measureName) || 0;
}
/**
* Clears performance measures.
*
* @param measureName The name of the measure whose durations should be cleared. If not
* specified, all measures will be cleared.
*/
export function clearMeasures(measureName?: string) {
if (measureName === undefined) {
forEachKey(measureDurations, clearMeasure);
}
else {
clearMeasure(measureName);
}
}
function clearMeasure(measureName: string) {
delete measureDurations[measureName];
return enabled && getProperty(measures, measureName) || 0;
}
/**
* Resets all marks and measurements in the performance service.
*/
export function reset() {
clearMarks();
clearMeasures();
start = now();
counters = {};
measures = {};
}
/** Enables performance measurements for the compiler. */

15
src/compiler/factory.ts
View File

@ -105,16 +105,6 @@ namespace ts {
return clone;
}
/**
* Gets a clone of a node with a unique node ID.
*/
export function getUniqueClone<T extends Node>(node: T): T {
const clone = getMutableClone(node);
clone.id = 0;
getNodeId(clone);
return clone;
}
// Literals
export function createLiteral(textSource: StringLiteral | Identifier, location?: TextRange): StringLiteral;
@ -1035,8 +1025,9 @@ namespace ts {
}
function createReactNamespace(reactNamespace: string, parent: JsxOpeningLikeElement) {
// Create an identifier and give it a parent. This allows us to resolve the react
// namespace during emit.
// To ensure the emit resolver can properly resolve the namespace, we need to
// treat this identifier as if it were a source tree node by clearing the `Synthesized`
// flag and setting a parent node.
const react = createIdentifier(reactNamespace || "React");
react.flags &= ~NodeFlags.Synthesized;
react.parent = parent;

4
src/compiler/printer.ts
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@ -281,9 +281,9 @@ const _super = (function (geti, seti) {
}
function printSourceFileWithExtendedDiagnostics(node: SourceFile) {
performance.mark("printStart");
const printStart = performance.mark();
printSourceFile(node);
performance.measure("printTime", "printStart");
performance.measure("printTime", printStart);
return node;
}

16
src/compiler/program.ts
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@ -783,9 +783,9 @@ namespace ts {
function getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile {
let text: string;
try {
performance.mark("ioReadStart");
const ioReadStart = performance.mark();
text = sys.readFile(fileName, options.charset);
performance.measure("ioReadTime", "ioReadStart");
performance.measure("ioReadTime", ioReadStart);
}
catch (e) {
if (onError) {
@ -852,7 +852,7 @@ namespace ts {
function writeFile(fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void) {
try {
performance.mark("ioWriteStart");
const ioWriteStart = performance.mark();
ensureDirectoriesExist(getDirectoryPath(normalizePath(fileName)));
if (isWatchSet(options) && sys.createHash && sys.getModifiedTime) {
@ -862,7 +862,7 @@ namespace ts {
sys.writeFile(fileName, data, writeByteOrderMark);
}
performance.measure("ioWriteTime", "ioWriteStart");
performance.measure("ioWriteTime", ioWriteStart);
}
catch (e) {
if (onError) {
@ -997,7 +997,7 @@ namespace ts {
let resolvedTypeReferenceDirectives: Map<ResolvedTypeReferenceDirective> = {};
let fileProcessingDiagnostics = createDiagnosticCollection();
performance.mark("programStart");
const programStart = performance.mark();
host = host || createCompilerHost(options);
@ -1094,7 +1094,7 @@ namespace ts {
verifyCompilerOptions();
performance.measure("programTime", "programStart");
performance.measure("programTime", programStart);
return program;
@ -1335,7 +1335,7 @@ namespace ts {
// checked is to not pass the file to getEmitResolver.
const emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile);
performance.mark("emitStart");
const emitStart = performance.mark();
// TODO(rbuckton): remove USE_TRANSFORMS condition when we switch to transforms permanently.
let useLegacyEmitter = options.useLegacyEmitter;
@ -1349,7 +1349,7 @@ namespace ts {
getEmitHost(writeFileCallback),
sourceFile);
performance.measure("emitTime", "emitStart");
performance.measure("emitTime", emitStart);
return emitResult;
}

20
src/compiler/sourcemap.ts
View File

@ -782,30 +782,30 @@ namespace ts {
getSourceMapData,
setSourceFile,
emitPos(pos: number): void {
performance.mark("sourcemapStart");
const sourcemapStart = performance.mark();
emitPos(pos);
performance.measure("sourcemapTime", "sourcemapStart");
performance.measure("sourceMapTime", sourcemapStart);
},
emitStart(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (node: Node) => boolean, ignoreChildrenCallback?: (node: Node) => boolean, getTextRangeCallback?: (node: Node) => TextRange): void {
performance.mark("sourcemapStart");
const sourcemapStart = performance.mark();
emitStart(range, contextNode, ignoreNodeCallback, ignoreChildrenCallback, getTextRangeCallback);
performance.measure("sourcemapTime", "sourcemapStart");
performance.measure("sourceMapTime", sourcemapStart);
},
emitEnd(range: TextRange, contextNode?: Node, ignoreNodeCallback?: (node: Node) => boolean, ignoreChildrenCallback?: (node: Node) => boolean, getTextRangeCallback?: (node: Node) => TextRange): void {
performance.mark("sourcemapStart");
const sourcemapStart = performance.mark();
emitEnd(range, contextNode, ignoreNodeCallback, ignoreChildrenCallback, getTextRangeCallback);
performance.measure("sourcemapTime", "sourcemapStart");
performance.measure("sourceMapTime", sourcemapStart);
},
emitTokenStart(token: SyntaxKind, tokenStartPos: number, contextNode?: Node, ignoreTokenCallback?: (node: Node) => boolean, getTokenTextRangeCallback?: (node: Node, token: SyntaxKind) => TextRange): number {
performance.mark("sourcemapStart");
const sourcemapStart = performance.mark();
tokenStartPos = emitTokenStart(token, tokenStartPos, contextNode, ignoreTokenCallback, getTokenTextRangeCallback);
performance.measure("sourcemapTime", "sourcemapStart");
performance.measure("sourceMapTime", sourcemapStart);
return tokenStartPos;
},
emitTokenEnd(token: SyntaxKind, tokenEndPos: number, contextNode?: Node, ignoreTokenCallback?: (node: Node) => boolean, getTokenTextRangeCallback?: (node: Node, token: SyntaxKind) => TextRange): number {
performance.mark("sourcemapStart");
const sourcemapStart = performance.mark();
tokenEndPos = emitTokenEnd(token, tokenEndPos, contextNode, ignoreTokenCallback, getTokenTextRangeCallback);
performance.measure("sourcemapTime", "sourcemapStart");
performance.measure("sourceMapTime", sourcemapStart);
return tokenEndPos;
},
changeEmitSourcePos,

4
src/compiler/transformers/es6.ts
View File

@ -1009,7 +1009,7 @@ namespace ts {
}
// `declarationName` is the name of the local declaration for the parameter.
const declarationName = getUniqueClone(<Identifier>parameter.name);
const declarationName = getMutableClone(<Identifier>parameter.name);
setNodeEmitFlags(declarationName, NodeEmitFlags.NoSourceMap);
// `expressionName` is the name of the parameter used in expressions.
@ -2940,7 +2940,7 @@ namespace ts {
*/
function getDeclarationName(node: DeclarationStatement | ClassExpression, allowComments?: boolean, allowSourceMaps?: boolean, emitFlags?: NodeEmitFlags) {
if (node.name && !isGeneratedIdentifier(node.name)) {
const name = getUniqueClone(node.name);
const name = getMutableClone(node.name);
emitFlags |= getNodeEmitFlags(node.name);
if (!allowSourceMaps) {
emitFlags |= NodeEmitFlags.NoSourceMap;

6
src/compiler/transformers/ts.ts
View File

@ -933,10 +933,10 @@ namespace ts {
function transformParameterWithPropertyAssignment(node: ParameterDeclaration) {
Debug.assert(isIdentifier(node.name));
const name = node.name as Identifier;
const propertyName = getUniqueClone(name);
const propertyName = getMutableClone(name);
setNodeEmitFlags(propertyName, NodeEmitFlags.NoComments | NodeEmitFlags.NoSourceMap);
const localName = getUniqueClone(name);
const localName = getMutableClone(name);
setNodeEmitFlags(localName, NodeEmitFlags.NoComments);
return startOnNewLine(
@ -2953,7 +2953,7 @@ namespace ts {
*/
function getDeclarationName(node: DeclarationStatement | ClassExpression, allowComments?: boolean, allowSourceMaps?: boolean, emitFlags?: NodeEmitFlags) {
if (node.name) {
const name = getUniqueClone(node.name);
const name = getMutableClone(node.name);
emitFlags |= getNodeEmitFlags(node.name);
if (!allowSourceMaps) {
emitFlags |= NodeEmitFlags.NoSourceMap;

44
src/compiler/tsc.ts
View File

@ -586,6 +586,12 @@ namespace ts {
reportStatisticalValue("Memory used", Math.round(memoryUsed / 1000) + "K");
}
if (compilerOptions.extendedDiagnostics) {
reportTimeStatistic("Print time", performance.getDuration("printTime"));
reportTimeStatistic("Comment time", performance.getDuration("commentTime"));
reportTimeStatistic("SourceMap time", performance.getDuration("sourceMapTime"));
}
// Individual component times.
// Note: To match the behavior of previous versions of the compiler, the reported parse time includes
// I/O read time and processing time for triple-slash references and module imports, and the reported
@ -602,44 +608,6 @@ namespace ts {
reportTimeStatistic("Emit time", emitTime);
reportTimeStatistic("Total time", programTime + bindTime + checkTime + emitTime);
if (compilerOptions.extendedDiagnostics) {
sys.write("Extended Diagnostics:" + sys.newLine);
const marks: Mark[] = [];
for (const markName of performance.getMarkNames()) {
if (/^(ioReadStart|ioWriteStart|programStart|bindStart|checkStart|emitStart)$/.test(markName)) {
continue;
}
marks.push({ markName, count: performance.getCount(markName) });
}
if (marks.length) {
marks.sort((x, y) => -compareValues(x.count, y.count));
sys.write("Marks:" + sys.newLine);
for (const { markName, count } of marks) {
reportCountStatistic(" " + markName, count);
}
}
const measures: Measure[] = [];
for (const measureName of performance.getMeasureNames()) {
if (/^(ioReadTime|ioWriteTime|programTime|bindTime|checkTime|emitTime)$/.test(measureName)) {
continue;
}
measures.push({ measureName, duration: performance.getDuration(measureName) });
}
if (measures.length) {
measures.sort((x, y) => -compareValues(x.duration, y.duration));
sys.write("Measures:" + sys.newLine);
for (const { measureName, duration } of measures) {
reportTimeStatistic(" " + measureName, duration);
}
}
}
reportStatistics();
performance.disable();
performance.reset();
}