amd64 slower than i386 on identical AMD 64 system?

Mike Jakubik mikej at
Wed Mar 15 21:57:45 UTC 2006

Kris Kennaway wrote:
> No, you haven't ruled it out, only that none of the versions you tried
> fix your issue.  Note what I said earlier: other people use dual core
> CPUs on FreeBSD/amd64 without stability problems, so it is not a
> general problem with FreeBSD.

Indeed, they are. The system below is working just fine for me, and the 
performance is quite good too (for a pentium4). It's a Supermicro PDSMi 

6.1-PRERELEASE FreeBSD 6.1-PRERELEASE #0: Tue Mar  7 12:24:51 EST 
2006     amd64

CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2793.02-MHz K8-class CPU)
  Origin = "GenuineIntel"  Id = 0xf62  Stepping = 2
  AMD Features=0x20100800<SYSCALL,NX,LM>
  Hyperthreading: 2 logical CPUs
real memory  = 535691264 (510 MB)
avail memory = 510017536 (486 MB)
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs

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