a recent technical piece is "on fire" with more than 2k hits on our PowerLinux developerWorks community.
"Taking Advantage of 64-bit DMA capability on PowerLinux" by , , , and others talks about taking advantage of special PCIe slots for better IO performance.
Make sure you go check why this article is so popular!
On new IBM® Power Systems™ servers running Linux, a set of the PCIe slots support a unique feature called 64-bit Direct Memory Access (DMA) , which improves I/O operations.
A new article was written explaining this feature and how to take advantage of it. Moreover, performance data is discussed throughout the article, as comparing the bandwidth and latency improvement provided by this feature when using a 10Gbps Netwo…