Method end

benchmark/common.js:261–291

(operations)

  }

  end(operations) {
    // Get elapsed time now and do error checking later for accuracy.
    const time = process.hrtime.bigint();

    if (!this._started) {
      throw new Error('called end without start');
    }
    if (this._ended) {
      throw new Error('called end multiple times');
    }
    if (typeof operations !== 'number') {
      throw new Error('called end() without specifying operation count');
    }
    if (!process.env.NODEJS_BENCHMARK_ZERO_ALLOWED && operations <= 0) {
      throw new Error('called end() with operation count <= 0');
    }

    this._ended = true;

    if (time === this._time) {
      if (!process.env.NODEJS_BENCHMARK_ZERO_ALLOWED)
        throw new Error('insufficient clock precision for short benchmark');
      // Avoid dividing by zero
      this.report(operations && Number.MAX_VALUE, 0n);
      return;
    }

    const elapsed = time - this._time;
    const rate = operations / (Number(elapsed) / 1e9);
    this.report(rate, elapsed);
  }

  report(rate, elapsed) {
    sendResult({