On 2024-11-07, at 16:26:19, Doug Bissett wrote:
>
>On 2024-11-07, at 19:23:41, Roderick Klein wrote:
>>
>>There is reason this is documented. With some version of Virtualbox SMP support would not work. That is what I seem to
>recall.
>
>I haven't been using VBOX much, recently. I am now using v7.1.4, under win 10 (on my Lenovo ThinkPad T510, with 2 cores),
>and it appears that a couple of problems, with running ArcaOS, have been fixed. Using SMP is working much better than before (I
>would guess that they quit emulating Hyper Threading). It would hang, or crash, after about 3 minutes, but now I am at more than
>140 minutes, with no sign of a problem (not really using it). There was also a problem using more than one attached virtual disk,
>where it would not mount additional disk images at boot time, sometimes. That also seems to be fixed.
>
>Looks like I need to do more testing with VBOX, and the Wiki may need to be updated.
>
>Commenting on using multiple cores: You will find that increasing the number used, has a smaller increment for each one added.
>You will also find that the overhead (cache management) increases faster than the benefits, after a while. This is also true on
>bare metal. Offsetting that, is the performance of newer computers.
>
>Things change.
Indeed they do. Following up, I enabled Hyper Threading in the BIOS. ArcaOS 5.0.8 seems to be perfectly happy.
Well, not quite. Trying to run VBOX (under OS/2) doesn't like it much.
--
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From Doug Bissett's ArcaOS system
dougb007 AT ocii.com
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... The person who knows everything has a lot to learn.