On Thu, 2005-06-30 at 21:57 -0500, John Madden wrote: > > useage during the tests? even PCI 32bit, 33mhz should be able to hit > > 133 Mbytes per second I believe. What are you writing *from* ? dev/zero > > ~127MB/s is the theoretical bus speed of PCI/33. Actual throughput is much less > than that, of course. > > But you're not on a 33MHz bus, you should be at at least 66MHz (and info in /proc which one? i can not find. :P could u tell me? thx > should tell you). Given the lack of performance increase though, I'm guessing > you're either pegging the bus or the CPU, not yet the throughput of the kernel > itself. Does the program block in disk wait when running? yes, it write synchronously. so it is wait. but my friend run same code on a 3ware 4 disk raid0 and get 140MB easily. similar box, P4 2.8G 1G ram. supermicro board. > > John > > (Go Rams) > > >
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