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Re: Bootstrapping on MS-Windows. Now much slower
From: |
Dani Moncayo |
Subject: |
Re: Bootstrapping on MS-Windows. Now much slower |
Date: |
Thu, 27 Dec 2012 19:04:50 +0100 |
>> Last time I did a bootstrap of the trunk for MS-Windows (9 days ago,
>> with "mingw32-make -j4 bootstrap"), it took on my laptop about 14/15
>> minutes to complete.
>
> Did you use -j4 or -j2 last time? Using too many simultaneous jobs
> can actually slow down the build, although 3-fold slowdown sounds
> gross.
I used also -j4 last time, but ISTR that -j5 or -j2 gave similar
results (approx. 50% of the time without -jN). That seems right,
since my CPU (Core i5-2410M) has two cores [1].
[1]
http://ark.intel.com/products/52224/Intel-Core-i5-2410M-Processor-3M-Cache-up-to-2_90-GHz
>> I've just done this again (with the current trunk), and it has taken
>> "00h49m28.682s" (?!)
>>
>> Do you also observe this slow down?
>
> No, I still get my 6 to 7 min (with -j8 on Core i7).
>
>> What's the reason for this?
>
> Did you update your anti-virus software, perhaps? Or any other
> system-wide updates?
I think I've installed the usual automatic updates, but nothing more.
> Look in the system logs (a.k.a. "Event Viewer"),
> under "Application" and "System" for clues.
Thanks, I'll what I can do.
--
Dani Moncayo