That’s right. If you have the option…get some more RAM :-)

Andreas

From: gem5-users 
<[email protected]<mailto:[email protected]>> on behalf of 
Nizamudheen Ahmed <[email protected]<mailto:[email protected]>>
Reply-To: gem5 users mailing list 
<[email protected]<mailto:[email protected]>>
Date: Monday, 21 September 2015 07:50
To: gem5 users mailing list <[email protected]<mailto:[email protected]>>
Subject: Re: [gem5-users] ARM gem5.fast build on Ubuntu 14.04 LTS

Hi Andreas,

Thanks for the suggestion. I will try building without LTO. I guess, the 
--without-lto is a command line option to the scons build.

BR/Nizam


On Sun, Sep 20, 2015 at 10:32 PM, Andreas Hansson 
<[email protected]<mailto:[email protected]>> wrote:
Hi Nizam,

The gem5.fast binary by default uses LTO. This optimisation step involves a 
significant amount of memory and CPU time, although it has improved a lot in 
later gcc releases. Especially if your build machine only has 8 Gbyte of 
memory, the LTO step can be very painful for older (<4.9) versions of gcc, as 
it causes swapping etc.

You can either compile gem5.fast without LTO by adding “--without-lto”, or 
alternatively upgrade to a more recent version of gcc (or use clang).

I hope that helps.

Andreas

From: gem5-users 
<[email protected]<mailto:[email protected]>> on behalf of 
Nizamudheen Ahmed <[email protected]<mailto:[email protected]>>
Reply-To: gem5 users mailing list 
<[email protected]<mailto:[email protected]>>
Date: Sunday, 20 September 2015 14:44
To: gem5 users mailing list <[email protected]<mailto:[email protected]>>
Subject: [gem5-users] ARM gem5.fast build on Ubuntu 14.04 LTS

Hi,

I am trying to build ARM gem5.fast on Ubuntu 14.04 LTS. My machine hangs at the 
link-step. I get this all the time at the link step. Have you faced similar 
situations in the past? Can you share your remedies that had worked?

Thanks and with best regards,
Nizam


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