C# GZipStream压缩大量数据

/// <summary>
        /// 压缩
        /// </summary>
        /// <param name="data">数据源</param>
        /// <param name="blockSize">块大小</param>
        /// <param name="mxDegreeOfParallelism">线程数量</param>
        /// <returns></returns>
        public static MemoryStream CompressString(string data, int blockSize,int mxDegreeOfParallelism=-1)
        {
            // 将字符串转换为字节
            byte[] inputBytes = Encoding.UTF8.GetBytes(data);
            // 创建一个用于保存所有压缩块的内存流
            MemoryStream resultStream = new MemoryStream();
            // 使用一个线程安全的集合来保存压缩后的块
            ConcurrentBag<(int, byte[])> compressedBlocks = new ConcurrentBag<(int, byte[])>();
            // 计算需要多少块
            int blockCount = (int)Math.Ceiling((double)inputBytes.Length / blockSize);
            // 使用并行处理来压缩块
            ParallelOptions options =