US Patent 11893413 Virtual channel support using write table

An embodiment of an apparatus includes a processing circuit and a system memory. The processing circuit may store a pending request in a buffer, the pending request corresponding to a transaction that includes a write request to the system memory. The processing circuit may also allocate an entry in a write table corresponding the transaction. After sending the transaction to the system memory to be processed, the pending request in the buffer may be removed in response to the allocation of the write entry.