@tensorflow-models/coco-ssd
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Object detection model (coco-ssd) in TensorFlow.js
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JavaScript
;
/**
* @license
* Copyright 2018 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* =============================================================================
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var tf = require("./index");
var profiler_1 = require("./profiler");
var TestBackendTimer = /** @class */ (function () {
function TestBackendTimer(delayMs, queryTimeMs, extraInfo) {
this.delayMs = delayMs;
this.queryTimeMs = queryTimeMs;
this.extraInfo = extraInfo;
this.counter = 1;
}
TestBackendTimer.prototype.time = function (query) {
return __awaiter(this, void 0, void 0, function () {
var kernelMs;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
query();
return [4 /*yield*/, new Promise(function (resolve) { return setTimeout(function () { return resolve(_this.queryTimeMs * _this.counter++); }, _this.delayMs); })];
case 1:
kernelMs = _a.sent();
return [2 /*return*/, { kernelMs: kernelMs, getExtraProfileInfo: function () { return _this.extraInfo; } }];
}
});
});
};
return TestBackendTimer;
}());
var TestLogger = /** @class */ (function (_super) {
__extends(TestLogger, _super);
function TestLogger() {
return _super !== null && _super.apply(this, arguments) || this;
}
TestLogger.prototype.logKernelProfile = function (name, result, vals, timeMs) { };
return TestLogger;
}(profiler_1.Logger));
describe('profiler.Profiler', function () {
it('profiles simple function', function (doneFn) {
var delayMs = 5;
var queryTimeMs = 10;
var extraInfo = '';
var timer = new TestBackendTimer(delayMs, queryTimeMs, extraInfo);
var logger = new TestLogger();
var profiler = new profiler_1.Profiler(timer, logger);
spyOn(timer, 'time').and.callThrough();
spyOn(logger, 'logKernelProfile').and.callThrough();
var timeSpy = timer.time;
var logKernelProfileSpy = logger.logKernelProfile;
var kernelCalled = false;
var result = 1;
var resultScalar = tf.scalar(result);
profiler.profileKernel('MatMul', function () {
kernelCalled = true;
return resultScalar;
});
setTimeout(function () {
expect(timeSpy.calls.count()).toBe(1);
expect(logKernelProfileSpy.calls.count()).toBe(1);
expect(logKernelProfileSpy.calls.first().args).toEqual([
'MatMul', resultScalar, new Float32Array([result]), queryTimeMs,
extraInfo
]);
expect(kernelCalled).toBe(true);
doneFn();
}, delayMs * 2);
});
it('profiles nested kernel', function (doneFn) {
var delayMs = 5;
var queryTimeMs = 10;
var extraInfo = '';
var timer = new TestBackendTimer(delayMs, queryTimeMs, extraInfo);
var logger = new TestLogger();
var profiler = new profiler_1.Profiler(timer, logger);
spyOn(timer, 'time').and.callThrough();
spyOn(logger, 'logKernelProfile').and.callThrough();
var timeSpy = timer.time;
var logKernelProfileSpy = logger.logKernelProfile;
var matmulKernelCalled = false;
var maxKernelCalled = false;
var result = 1;
var resultScalar = tf.scalar(result);
profiler.profileKernel('MatMul', function () {
var result = profiler.profileKernel('Max', function () {
maxKernelCalled = true;
return resultScalar;
});
matmulKernelCalled = true;
return result;
});
setTimeout(function () {
expect(timeSpy.calls.count()).toBe(2);
expect(logKernelProfileSpy.calls.count()).toBe(2);
expect(logKernelProfileSpy.calls.first().args).toEqual([
'Max', resultScalar, new Float32Array([result]), queryTimeMs, extraInfo
]);
expect(logKernelProfileSpy.calls.argsFor(1)).toEqual([
'MatMul', resultScalar, new Float32Array([result]), queryTimeMs * 2,
extraInfo
]);
expect(matmulKernelCalled).toBe(true);
expect(maxKernelCalled).toBe(true);
doneFn();
}, delayMs * 2);
});
});
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