Using FreeBSD to burn in computers
Jeremy Faulkner
gldisater at gldis.ca
Wed Jan 21 10:37:14 PST 2004
Joerg Pernfuss wrote:
> On 21 Jan 2004 09:20:20 -0500
> Dan Pelleg <daniel+bsd at pelleg.org> wrote:
>
>
>>>[...]
>>>b)make world; make world; make world; make world; make world (my
>>>idea here is to run make world and make on XFree86 concurrently,
>>>thus stressing the system further - I'm not sure if this is a good
>>>idea or not, but I'm sure someone will correct me.)
>>
>>
>>Have make start up many compiles in parallel with the -j switch: for
>>example "make -j3". My rule of thumb for a most-effective make is 3
>>times the number of processor. You will probably want a higher number
>>just so the strain on memory and disk is higher.
>
>
> For his purpose of stress testing the memory:
> make -j64 buildkernel
>
> I use this on dual proc boxes, maybe -j32 is already more than enough
> for a single cpu.
>
> Won't work with less than 128MiByte RAM iirc, but so far I haven't seen
> something different that puts that much stress on your memory.
> Surviving this two or three times in a row you can label your RAM
> `non-faulty'.
>
> Joerg
Or he could just use memtest (ports/sysutils/memtest)
--
Jeremy Faulkner http://www.gldis.ca
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