On Tue, Oct 23, 2012 at 4:24 PM, Ross Burton <ross.bur...@intel.com> wrote: > On Tuesday, 23 October 2012 at 22:19, McClintock Matthew-B29882 wrote: >> On Tue, Oct 23, 2012 at 1:45 PM, Elvis Dowson <elvis.dow...@gmail.com >> (mailto:elvis.dow...@gmail.com)> wrote: >> > The only curious thing that I've noticed is that I don't see a large >> > performance improvement using a standard 3TB Seagate Barracuda 7200 RPM >> > HDD, and the two Intel Series 330 SSDs in a striped RAID0 configuration. >> > The read (600MB/s) / write (838MB/s) figures are impressive, although I >> > expected the read performance to be higher than write performance, as is >> > normally with a single SSD. I'm using the motherboard's hardware RAID >> > support on a 6GB/s SATA 3 port. >> >> >> >> You probably don't use much disk I/O with 16GB of memory for a build. > My machine has 16G of RAM, and after a good build will have 12G of "cache" > (according to /proc), but the disk activity light was frantic. I can only > imagine it would be more frantic with less RAM to act as an over-sized disk > cache.
Frantic but was it actually limiting the build time? It would seem not according to Elvis observations. -M _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
