The only relevant piece I could find quickly was the Mellanox performance tuning guide: http://www.mellanox.com/related-docs/prod_software/Performance_Tuning_Gu

The only relevant piece I could find quickly was the Mellanox performance tuning guide: http://www.mellanox.com/related-docs/prod_software/Performance_Tuning_Guide_for_Mellanox_Network_Adapters.pdf http://www.mellanox.com/related-docs/prod_software/Performan... It's also useful for any other PCIe card, sans the IB specific parts.