amd64 6% slower than i386?

Kris Kennaway kris at obsecurity.org
Sat Oct 29 13:28:22 PDT 2005


On Sat, Oct 29, 2005 at 04:22:10PM -0400, Dan Langille wrote:
> Build world is consistly 6% slower running an amd64 world than an 
> i386 world.
> 
> In both cases, I'm using the default install of 6.0 RC-1 on the same 
> AMD 64 3000+ with 1GB of RAM.  I'm finding that build world takes 48 
> minutes under i386 and 51 minutes under amd64.
> 
> Is this expected?

You're comparing two different things (different compilers, some
amount of different code being compiled), so you shouldn't expect them
to be the same.

Kris
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