topic qDMA Performance Request in Layerscape https://community.nxp.com/t5/Layerscape/qDMA-Performance-Request/m-p/738857#M3167 <HTML><HEAD></HEAD><BODY><P>Looking into the LS1046A. Does anyone have performance data for the QDMA engine when moving data from DRAM to a PCIe port?&nbsp; Our payload size will vary, but if I had to pick just one size I would go with 512 bytes.&nbsp; The PCIe link would be Gen3X2 (16Gbs/sec bidirectional in theory).</P><P></P><P>Thanks, Doug</P></BODY></HTML> Thu, 08 Mar 2018 19:13:30 GMT dougoneil 2018-03-08T19:13:30Z qDMA Performance Request https://community.nxp.com/t5/Layerscape/qDMA-Performance-Request/m-p/738857#M3167 <HTML><HEAD></HEAD><BODY><P>Looking into the LS1046A. Does anyone have performance data for the QDMA engine when moving data from DRAM to a PCIe port?&nbsp; Our payload size will vary, but if I had to pick just one size I would go with 512 bytes.&nbsp; The PCIe link would be Gen3X2 (16Gbs/sec bidirectional in theory).</P><P></P><P>Thanks, Doug</P></BODY></HTML> Thu, 08 Mar 2018 19:13:30 GMT https://community.nxp.com/t5/Layerscape/qDMA-Performance-Request/m-p/738857#M3167 dougoneil 2018-03-08T19:13:30Z