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Re: Memory leaks problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg132318] Re: Memory leaks problem
  • From: Peter Klamser <klamser at gmail.com>
  • Date: Sat, 8 Feb 2014 04:03:30 -0500 (EST)
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  • References: <20140205082549.5383569ED@smc.vnet.net>

... I think, Mathematica has lazy evaluation built in. Therefore it is useless to measure memory in use, because the system looks for free memory in ram an
decides on this its strategy of storing results.

Kind geragds from Peter


2014-02-07 14:07 GMT+01:00 <bar at robox.ii.up.krakow.pl>:

> Unfortunately, this is not an option,
>
> In my problem i have to use function
>
> IF[z_]:=NIntegrate[F[p],{p,0,z}];
>
> and parameter "z" depends on pointer of loop (wsk)
>
> I tried to use ClearSystemCache[] and no effects too,
>
> In my real calculation it is a big problem:
> mem:17243496
> mem:24692800
> mem:47696432
>
> Temporary solution is to calculate only one loop, then Exit[] and run
> again and so on,
> But is not comfortable solution
>
> regards, Olaf
>
>
>
>
> Sseziwa Mukasa <mukasa at gmail.com> wrote:
> >
> > Looks like Integrate stores information on each call, compare to these
> > results:
> >
> > ClearAll["`*"];
> > $HistoryLength = 0;
> > n = 5;
> > integral = Integrate[Sin[p], {p, 0, 3}];
> > Do[bound = Table[{wsk, integral}, {wsk, 1, 100}];
> >  ClearAll[bound];
> >  Print[MemoryInUse[]], {st, 1, n}];
> >
> > 46966216
>
>




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