Benchmarks: AMD64 vs i386 on Dual 246 Opteron

[Vivek Khera]

On Jul 28, 2005, at 7:50 PM, Sean McNeil wrote:

> On Thu, 2005-07-28 at 19:35 -0400, Martin Cracauer wrote:
>
>> I highly suspect that the 64 bit version of FreeBSD in this
>> comparision was somehow doomed before it started.  Opportunities are
>> leaving in kernel safety code in one of the kernels, a driver that
>> just doesn't work right on AMD64.  Or the same for any of the
>> software, maybe php is hosed in its 64 bit build.
>>
>
> If network throughput can effect the testing, I would suspect network
> drivers.  I've found the re0 driver performs horrible on amd64.
> Especially with gigE.

The OP used a S2881 mobo, which has a bge ethernet.  I've had nothing  
but bad luck with that in FreeBSD/amd64.  I put in some intel NICs  
and everything got better and more stable.

Vivek Khera, Ph.D.
+1-301-869-4449 x806