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On 06/12/2018 23:45, Dale wrote: |
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>> |
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>> You won't get anything close to double the speed. The extra cores will |
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>> mostly go unused, unless you use applications that make use of them. |
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>> |
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>> You will still get a speed up due to the newer CPU architecture and |
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>> the higher frequency. |
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> |
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> What I was thinking about is something like when compiling and all the |
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> cores are used. In other words, CPU is at max load. Right now, I have |
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> only 4 cores. New CPU doubles that and each core is faster as well. As |
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> a example, Firefox takes about a hour to compile. I was hopeful that |
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> would drop to 30 or 35 minutes or so. |
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Oh that. Yeah, there will be a 2x speedup when emerging packages |
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(MAKEOPTS="-j8"). I was referring to application performance when using |
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the machine. I don't consider package installation as "using the |
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machine" :-) |
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>> The two speeds specify the lower and upper speeds, depending on how |
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>> many CPU cores are currently being under load, and also how much load |
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>> there is. You don't have to worry about it though. It's all automatic. |
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>> [...] |
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> |
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> That's good to know. That I was wondering about and couldn't find a |
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> clear answer on. I didn't know if I needed to install something to |
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> manage that or what. |
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The kernel takes care of that. You should be able to observe the CPU's |
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frequency and temperature in KSysGuard. Here's how it looks here: |
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https://i.imgur.com/Xogy3h0.png |
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In that screenshot, the CPU has all 4 cores clocked down to 1.6GHz |
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because they're all mostly idle. Once there's high CPU load, it will |
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crank up the clocks towards 4GHz. |
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You need to add these sensors manually to KSysGuard though. But if you |
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do, it's a good way to verify things are working as intended. |
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