----- Original Message -----
From: "Jason" <[email protected]>
To: <[email protected]>
Sent: Sunday, September 25, 2011 4:36 AM
Subject: [mpir-devel] Fwd: Huge number crash ...
---------- Forwarded Message ----------
Subject: Huge number crash ...
Date: Wednesday 21 September 2011, 18:38:42
From: manu hobert <[email protected]>
To: [email protected]
Hello,
I'm trying to make some programs to calculate some quite huge numbers,
like
phi with 1 000 000 000 decimals (witch uses about 1GB ram) ...
but when my ram usage got too high ~1GB it crashed and said: "cannot
allocate memory (size=*****)".
this happens with all of my programs, as soon as it goes too big it
crashes.
i have enough ram though, i've got 4GB ram (when i run my progs i have
about
2.5 - 3 GB free memory).
I haven't got any idea why this happens to me ...
Try rebuilding mpir with the configure
option --enable-alloca=malloc-reentrant.
If reentrancy is not required, configuring instead
with --enable-alloca=malloc-notreentrant should be faster (and therefore
preferable). See http://gmplib.org/manual/Build-Options.html#Build-Options .
I'm not sure if that will solve your problem - but worth trying, imo.
Cheers,
Rob
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