Roman Fietze wrote: > Hello Wolfram, > > On Wednesday 09 December 2009 15:57:48 Wolfram Sang wrote: > >> Do you have a way to measure performance penalties? > > As I said, I do. > > And here they are. They won't win a price for the most impartial > benchmarks ever seen, but thet'll be a good starting point to get a > feeling what stability might cost. > > The board is using the MPC5200B on a board derived from the old > lite5200, but with the fixes for the MPC5200B. All tests are run using > an ST940813AM hard drive with an ext2 and an ext3 of 10GB each, > default mkfs options. The OS is Debian 4.0. The network connection is > between a fast Athlon XP2 6400 and the target, using 100MBit/s wiring > and a 100MBit/s switch. > > The F always stands for fast settings, coherent cache, XLB features > like snooping, etc. turned on, XLB config 0x0000a006 or 0x0001a006 > (makes no or no big difference). > > The S always stands for slow settings, non coherent cache, XLB > features like snooping, etc. turned on, XLB config 0x80012006.
What disc access modes, (pio, mwdma or udma) did you use for these tests. Wolfgang. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
