From: "Massimo S." 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Sun, 10 Nov 2024 01:25:06 -0000 Reply-To: ml@ecomstation.it Subject: Re: [eCS-ISP] ClamAV (0.103.10) perfomances To: eCS ISP Mailing List References: Organization: Massimo S. Message-ID: <97662708-c30c-af24-0f0e-63a95a818589@ecomstation.it> Date: Sun, 10 Nov 2024 01:26:08 +0100 User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; it-IT; rv:1.7.13) Gecko/20060424 Thunderbird/1.0.8 Mnenhy/0.7.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: it-IT Content-Transfer-Encoding: 7bit Il 09/11/2024 23:04, Doug Bissett ha scritto: > 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. the only issue i've is date or time that sometimes, i don't know why, like today get wrong but this happens also with Windows as guest if you use some old VMware (sh$tty) hypervisors massimo