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compiling on a modern multi-core is nice.
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pjp
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PostPosted: Sat Dec 22, 2012 5:38 am    Post subject: compiling on a modern multi-core is nice. Reply with quote

that's all.

I'm amazed at how much faster this II X4 640 is compared with whatever it was I had that was much more slow. I can't imagine what an i7 (or whatever) can do.
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notageek
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PostPosted: Sat Dec 22, 2012 8:00 am    Post subject: Reply with quote

Yep, that was my impression too, when I upgraded.

I've compiled on an i7 and is quite fast.
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Clad in Sky
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PostPosted: Sat Dec 22, 2012 9:21 am    Post subject: Reply with quote

What's a II X4 640?
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Boris27
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PostPosted: Sat Dec 22, 2012 9:31 am    Post subject: Reply with quote

I'm guessing an Amd Phenom 2 quadcore 640?
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PostPosted: Sat Dec 22, 2012 5:34 pm    Post subject: Re: compiling on a modern multi-core is nice. Reply with quote

pjp wrote:
that's all.

I'm amazed at how much faster this II X4 640 is compared with whatever it was I had that was much more slow. I can't imagine what an i7 (or whatever) can do.


:lol: :lol: :lol:
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pjp
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PostPosted: Sat Dec 22, 2012 10:29 pm    Post subject: Reply with quote

Clad in Sky wrote:
What's a II X4 640?
A sequel?


@jonnevers: What is funny?
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eccerr0r
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PostPosted: Sun Dec 23, 2012 1:11 am    Post subject: Reply with quote

When I went from a single PPro-200 to... from at first Celeron-300 it wasn't much of a difference... then to 450 (overclocked) it was noticeable... But it was when I got two Celeron-300's working in a dual BX board when things really took off - the first time I ever had sub 5-minute compile times for the Linux kernel, a long cry from the first Linux kernel compile I ever did at about 5 hours.

Now that same machine probably takes at least 30-40 minutes to compile Linux 3.7 and I need my i7 to get anywhere below 5-10 minutes...
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pjp
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PostPosted: Sun Dec 23, 2012 1:13 am    Post subject: Reply with quote

I didn't time it, but it didn't seem like my kernel took 10 minutes to compile.
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eccerr0r
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PostPosted: Sun Dec 23, 2012 1:50 am    Post subject: Reply with quote

I don't have current timing information either but it was around the 5-10 minute mark for kernel+modules ... Of course what modules are selected makes a big difference. The i7 is the only machine I do pgo for firefox, but it has questionable value...

The "record" time I ever got on my dual celeron 464 was around 1min 30 sec without modules for probably a 2.0 or 2.2 kernel, I've forgotten exactly which - and highly doubt it was a 2.4 kernel. IIRC my i7 was able to get around 2 minutes on a 2.6 kernel, but I have a lot more modules these days that will add onto total compile time... Gcc has bloated a lot along with the kernel code...
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Clad in Sky
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PostPosted: Sun Dec 23, 2012 7:39 am    Post subject: Reply with quote

pjp wrote:
Clad in Sky wrote:
What's a II X4 640?
A sequel?


Yeah, thought it was an Athlon. Any specific reason you left "Athlon" out? Some of the Gentoo people run quite some special hardware, so I couldn't be sure.
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PostPosted: Sun Dec 23, 2012 5:54 pm    Post subject: Reply with quote

Didn't care to. Seemed rather obvious, since nobody else uses the naming convention. I also left out AMD, the (tm), cache size and MHz.
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PostPosted: Wed Jan 02, 2013 2:53 am    Post subject: Reply with quote

I agree. My Thinkpad (dual-core Sandybridge i7, 2.8GHz) can compile software pretty quickly, which is good since I like trying new stuff out, tweaking Linux configs, etc.

So far the only things that I dread compiling are Libreoffice, Firefox, and QT (that I have found so far). I think GCC takes forever, too, but I only compiled it once, I think.

I want to use Gentoo on my desktop Xeon (essentially a Sandybridge i7 quadcore), but I haven't had time, lately.
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PostPosted: Wed Jan 02, 2013 3:05 am    Post subject: Reply with quote

On my Core 2, I had to use the BFS to keep the desktop from thrashing due to the compiles.

Got an FX-6100 with vanilla-sources without any special configurations. Compiling doesn't slow the desktop down at all.
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PostPosted: Wed Jan 02, 2013 4:30 am    Post subject: Reply with quote

A few compiled on a "i7-2600 CPU @ 3.40GHz", 2Gb RAM etc. with average times.
Code:
* www-client/firefox

   Total builds: 43
   Global build time: 10 hours, 45 minutes and 17 seconds.
   Average merge time: 15 minutes.

* sys-devel/gcc

   Total builds: 74
   Global build time: 11 hours, 58 minutes and 46 seconds.
   Average merge time: 9 minutes and 42 seconds.

* app-office/libreoffice


   Total builds: 9
   Global build time: 5 hours, 37 minutes and 37 seconds.
   Average merge time: 37 minutes and 30 seconds.

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PostPosted: Wed Jan 02, 2013 4:42 am    Post subject: Reply with quote

Some time back, when I compiled things like Chromium or VLC my system used to give me thermal alerts on reaching 80C.

I've since bought a system fan but didn't get around to compiling bigger things on my box yet.
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PostPosted: Wed Jan 02, 2013 6:52 am    Post subject: Reply with quote

notageek wrote:
Some time back, when I compiled things like Chromium or VLC my system used to give me thermal alerts on reaching 80C.

I've since bought a system fan but didn't get around to compiling bigger things on my box yet.

I just cleaned out the fluff on my partner's CPU fan heatsink with an artists paintbrush. It now runs cool even when the ambient temperature is 30C+.
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notageek
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PostPosted: Wed Jan 02, 2013 7:38 am    Post subject: Reply with quote

Mine is fairly new, although I don't discount the dust but this has been happening since I bought it.
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PostPosted: Thu Jan 03, 2013 12:36 am    Post subject: Reply with quote

I occasionally get thermal alerts when compiling stuff on my laptop, as well. I noticed it more before I got my system "up and running" so I think some ACPI driver wasn't working right or something. I don't really see it any longer.
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