Re: [Lse-tech] Hyperthreading performance on 2.4.19 and 2.5.32

Randy.Dunlap (rddunlap@osdl.org)
Tue, 17 Sep 2002 13:35:53 -0700 (PDT)


On Tue, 17 Sep 2002, Duc Vianney wrote:

| The following are data comparing the effects of hyperthreading (HT)on
| stock kernel 2.4.19 and 2.5.32.
| Hardware under test. The hardware is a Xeon 1-CPU MP, 1.6 gigahertz,
| and 2.5 GB RAM.
| Kernel under test. When testing under 2.4.19, the kernel was built
| as an SMP kernel, and was run on the hardware with HT enabled through
| the boot option 'noht'.

HT enabled with 'noht' ??
'noht' means "no HT", "no hyperthreading", disabled.

| When testing under 2.5.32, the kernel was
| built as an SMP kernel, and was run on the hardware with HT enabled
| through selecting ACPI in configuration.

-- 
~Randy

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/