[openib-general] Re: Userspace testing results (many kernels, many svn trees)

[Michael S. Tsirkin]

Quoting r. Nishanth Aravamudan <nacc at us.ibm.com>:
> Subject: Re: Userspace testing results (many kernels,many svn trees)
> 
> On 09.01.2006 [08:33:01 +0200], Michael S. Tsirkin wrote:
> > Quoting r. Nishanth Aravamudan <nacc at us.ibm.com>:
> > > Just like with the results I posted earlier, all the perftest results
> > > are seriously wrong for 32-bit clients (with both 32-bit and 64-bit
> > > servers). I am not sure who else to notify beyond the general list (is
> > > there a corresponding MAINTAINERS files like in the kernel proper for
> > > the OpenIB code?)
> > 
> > That would be me - sorry about the delay, I'll take a look at this.
> > Thanks a lot, Nishanth!
> > This work is very much appreciated.
> 
> No worries, hope the problem is not too hard to fix :)

OK, I'm going to concentrate on rdma_lat/rdma_bw for now.

# file ./rdma_bw
./rdma_bw: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), for GNU/Linux 2.2.5, dynamically linked (uses shared libs), not stripped

# ./rdma_bw swlab155
  local address:  LID 0xd9, QPN 0x24040a, PSN 0x98e7f4 RKey 0xe0003f VAddr 0x000000556db000
  remote address: LID 0xd9, QPN 0x240406, PSN 0x952ea0, RKey 0xe00033 VAddr 0x000000556db000
Bandwidth peak (#0 to #999): 879.956 MB/sec
Bandwidth average: 879.954 MB/sec
Service Demand peak (#0 to #999): 3773 cycles/KB
Service Demand Avg  : 37 cycles/KB

Seems like I cant reproduce the problem. Which distribution
and CPU architecture is this, again?

-- 
MST