[mira_talk] Re: MIRA3r4 and memory on Mac OS X
- From: Peter <peter@xxxxxxxxxxxxxxxxxxxxx>
- To: mira_talk@xxxxxxxxxxxxx
- Date: Thu, 26 Nov 2009 11:55:17 +0000
On Tue, Nov 24, 2009 at 5:17 PM, Bastien Chevreux <bach@xxxxxxxxxxxx> wrote:
>
> On Dienstag 24 November 2009 Peter wrote:
>> From watching this in the activity monitor, I think this is failing at
>> the 4GB memory boundary - and I noticed that the log says it was
>> compiled in 32 bit mode. Is this likely to be the problem? Any tips
>> for ensuring MIRA compiles in 64bit mode?
>
> Hmmm, compiling under Apple always has some surprises it seems.
>
> Make clean, then use "-enable-64" as one of the switches to the configure
> script, then make all. Should do the trick.
OK, I did a "make clean", then:
$ ./configure -enable-64 --with-boost=/Users/myusername/
...
We are building on ............................... Darwin
CPU supports 64 bit? ......... ................... no
Compiler ......................................... gcc
...
Clearly the configure script doesn't recognise my Quad-Core Intel
Xeon CPUs as supporting 64bit. i.e. has_int64_t isn't being set.
Just in case, I went ahead and ran "make", and repeated the
attempted bacterial assembly. Again the output included the
line "Compiled in 32 bit mode." and I hit the same 4GB limit.
Peter
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