/// <summary>
        /// Get pooled memory chunk.
        /// </summary>
        /// <param name="memPtr">Memory pointer.</param>
        /// <returns>Memory chunk.</returns>
        public PlatformMemory Get(long memPtr)
        {
            long delta = memPtr - handle.ToInt64();

            if (delta == PlatformMemoryUtils.PoolHdrOffMem1)
                return _mem1 ?? (_mem1 = new PlatformPooledMemory(this, memPtr));

            if (delta == PlatformMemoryUtils.PoolHdrOffMem2)
                return _mem2 ?? (_mem2 = new PlatformPooledMemory(this, memPtr));

            return _mem3 ?? (_mem3 = new PlatformPooledMemory(this, memPtr));
        }
        /// <summary>
        /// Get pooled memory chunk.
        /// </summary>
        /// <param name="memPtr">Memory pointer.</param>
        /// <returns>Memory chunk.</returns>
        public PlatformMemory Get(long memPtr)
        {
            long delta = memPtr - handle.ToInt64();

            if (delta == PlatformMemoryUtils.PoolHdrOffMem1)
            {
                return(_mem1 ?? (_mem1 = new PlatformPooledMemory(memPtr)));
            }

            if (delta == PlatformMemoryUtils.PoolHdrOffMem2)
            {
                return(_mem2 ?? (_mem2 = new PlatformPooledMemory(memPtr)));
            }

            return(_mem3 ?? (_mem3 = new PlatformPooledMemory(memPtr)));
        }