Re: [gentoo-user] Better CPU for compiling with gcc

[Stanislav Nikolov <stanislav.ltb@gmail.com>]

On 11/10/2015 08:17 PM, Mick wrote:
> On Tuesday 10 Nov 2015 17:47:08 Stanislav Nikolov wrote:
>> Dear Gentoo users,
>> I'm building a new PC. I have a budget of ~$550-$650. No GPU, no special
>> case (I may use a card box), not even a hdd or ssd. So, as you can see,
>> it's pretty much "get the best CPU and mobo/ram that are compatible with
>> it". The problem is, which is the best one. By "best" I mean to compile
>> shit fast. My laptop with 3rd gen i5 compiles firefox for 40 minutes on
>> average.
>>
>> The most expensive Intel CPU is the skylake i7-6700k. But is it the best?
>> Is there something from AMD that will perform even better? I can't find
>> any benchmarks with AMD/Intel CPUs. And how much does the mobo matter?
>> Will a cheap $30 400W PSU power that thing?
>>
>> Thanks
> I don't (yet) own a i7-6700k, but my 6 year old laptop with (1st generation) 
> i7 Q720  @1.60GHz takes slightly less than yours:
>
>      Sat Oct  3 14:35:40 2015 >>> www-client/firefox-38.3.0
>        merge time: 36 minutes and 53 seconds.
>
>      Fri Nov  6 09:10:06 2015 >>> www-client/firefox-38.4.0
>        merge time: 38 minutes and 8 seconds.
>
>
> In contrast a year old AMD A10-7850K APU is significantly faster:
>
>      Sat Oct  3 19:40:48 2015 >>> www-client/firefox-38.3.0
>        merge time: 17 minutes and 42 seconds.
>
>      Fri Nov  6 08:41:02 2015 >>> www-client/firefox-38.4.0
>        merge time: 18 minutes and 18 seconds.
>
>
> I would also be interested to see compile times of more modern i7s and FXs, 
> but bear in mind that in single core operations Intel is these days 
> significantly better than AMD.
>
So, I shouldn't prepare for a 8x times faster compile time... :(