Kim Culhan sat at his 'puter and typed on 11/28/2005 1:05:
Running -Stable make world with recent Intel and AMD hardware
yielded some interesting results.
One machine:
CPU: AMD Athlon(tm) 64 Processor 3200+ (2010.31-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x20ff0 Stepping = 0
Other machine:
CPU: Intel(R) Pentium(R) 4 CPU 3.60GHz (3600.12-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf34 Stepping = 4
The Intel machine had hyperthreading disabled in the bios.
kernel config for both machines was GENERIC
Running 'make world' several times on FreeBSD 6.0-STABLE from
11-26-05 a couple of representative timings were:
AMD Athlon 64
45:42
45:19
Intel P4
55:22
54:57
Are there any optimizations for the P4 which might be added to the GENERIC
kernel config to improve the performance ?
-kim
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Let us have a look at /etc/make.conf. BTW, my *personal* opinion is AMD
implements much better pipelining and concurrent processing compared to
the Intel platform. So what you see is not something entirely unexpected.
Thanks
S.
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