Benchmarks: AMD64 vs i386 on Dual 246 Opteron

Sean McNeil sean at mcneil.com
Thu Jul 28 23:50:58 GMT 2005


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.

Cheers,
Sean




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