On 8/27/2012 8:27 AM, Stefan Monnier wrote: >> I run an SSD on my MCP61P so lack of NCQ has no impact >> whatsoever--SSD's have no moving parts, and all seeks >> are instantaneous. > > While I haven't heard of NCQ improving read speed of SSDs, it can have > a significant positive impact on write speed for SSDs.
Some SSD controllers, such as the later Sanforce models, do benefit from NCQ with some server oriented workloads, little to none with others. Controllers such as the Indilinx, Jmicron, and Samsung don't benefit from NCQ at all, with any workload. For a desktop user workload, there will be no noticeable performance difference, because such applications don't do parallel IO. -- Stan -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/503ba10f.4010...@hardwarefreak.com
