From: Andreas Ericsson <ae@op5.se>
Date: Tue, 11 Dec 2007 07:34:30 GMT
Subject: Re: Something is broken in repack
Message-ID: <475E3D86.9030408@op5.se>
In-Reply-To: <9e4733910712102301p5e6c4165v6afb32d157478828@mail.gmail.com>

Jon Smirl wrote:
> Switching to the Google perftools malloc
> http://goog-perftools.sourceforge.net/
> 
> Google allocator knocked 600MB off from memory use.
> Memory consumption did not fall during the write out phase like it did with gcc.
> 
> Since all of this is with the same code except for changing the
> threading split, those runs where memory consumption went to 4.5GB
> with the gcc allocator must have triggered an extreme problem with
> fragmentation.
> 
> Total CPU time 196 CPU minutes vs 190 for gcc. Google's claims of
> being faster are not true.
> 

Did you use the tcmalloc with heap checker/profiler, or tcmalloc_minimal?

-- 
Andreas Ericsson                   andreas.ericsson@op5.se
OP5 AB                             www.op5.se
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