"use strict";
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/**
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* @license
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* Copyright 2018 Google Inc. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var util = require("./util");
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var Profiler = /** @class */ (function () {
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function Profiler(backendTimer, logger) {
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this.backendTimer = backendTimer;
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this.logger = logger;
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if (logger == null) {
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this.logger = new Logger();
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}
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}
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Profiler.prototype.profileKernel = function (kernelName, inputs, f) {
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var _this = this;
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var outputs;
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var holdResultWrapperFn = function () {
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outputs = f();
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};
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var timer = this.backendTimer.time(holdResultWrapperFn);
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outputs.forEach(function (r) {
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// Dangling promise here because we don't want to propagate up
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// asynchronicity.
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r.data().then(function (vals) {
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checkComputationForErrors(vals, r.dtype, kernelName);
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timer.then(function (timing) {
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var extraInfo = '';
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if (timing.getExtraProfileInfo != null) {
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extraInfo = timing.getExtraProfileInfo();
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}
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_this.logger.logKernelProfile(kernelName, r, vals, timing.kernelMs, inputs, extraInfo);
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});
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});
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});
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return outputs;
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};
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return Profiler;
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}());
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exports.Profiler = Profiler;
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function checkComputationForErrors(vals, dtype, kernelName) {
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if (dtype !== 'float32') {
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// Only floating point computations will generate NaN values
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return false;
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}
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for (var i = 0; i < vals.length; i++) {
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var num = vals[i];
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if (isNaN(num) || !isFinite(num)) {
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// Throwing custom exception so behavior is testable.
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console.warn("Found " + num + " in the result of '" + kernelName + "'");
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return true;
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}
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}
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return false;
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}
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exports.checkComputationForErrors = checkComputationForErrors;
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var Logger = /** @class */ (function () {
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function Logger() {
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}
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Logger.prototype.logKernelProfile = function (name, result, vals, timeMs, inputs, extraInfo) {
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var time = typeof timeMs === 'number' ? util.rightPad(timeMs + "ms", 9) :
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timeMs['error'];
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var paddedName = util.rightPad(name, 25);
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var rank = result.rank;
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var size = result.size;
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var shape = util.rightPad(result.shape.toString(), 14);
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var inputShapesDescription = '';
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for (var name_1 in inputs) {
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var input = inputs[name_1];
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// The input might be a non-tensor (e.g HTMLImageElement), in which case
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// we claim the output shape as input shape.
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var inputShape = input.shape || result.shape;
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var inputRank = inputShape.length;
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inputShapesDescription +=
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name_1 + ": " + inputRank + "D " + (inputRank > 0 ? inputShape : '') + " ";
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}
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console.log("%c" + paddedName + "\t%c" + time + "\t%c" + rank + "D " + shape + "\t%c" + size + "\t%c" + inputShapesDescription + "\t%c" + extraInfo, 'font-weight:bold', 'color:red', 'color:blue', 'color: orange', 'color: green', 'color: steelblue');
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};
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return Logger;
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}());
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exports.Logger = Logger;
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//# sourceMappingURL=profiler.js.map
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