Method reset

tfjs-core/src/engine.ts:1265–1281

* Resets the engine state. Removes all backends but does not remove * registered backend factories.

()

   * registered backend factories.
   */
  reset(): void {
    // Make any pending promise obsolete.
    this.pendingBackendInitId++;

    this.state.dispose();
    this.ENV.reset();
    this.state = new EngineState();

    for (const backendName in this.registry) {
      this.disposeRegisteredKernels(backendName);
      this.registry[backendName].dispose();
      delete this.registry[backendName];
    }
    this.backendName = null;
    this.backendInstance = null;
    this.pendingBackendInit = null;
  }
}

function ones(shape: number[]): Tensor {