Re: Memory exhausted when using \

[Martin Helm]

Am 21.07.2012 11:21, schrieb Mathieu Dubois:
> And with the file I send, all tests (make check) run fine.
>
Yes it does run fine and it looks consistent in what it does

octave:3> load memory-exhausted
octave:4> x=A\b;
nr 243458, nc 46008, nz 562093, maxnz 562093, (nz < maxnz ? nz : maxnz)
562093
nr 243458, nc 1, nz 11533, maxnz 11533, (nz < maxnz ? nz : maxnz) 11533
nr 3252, nc 46008, nz 3252, maxnz 3252, (nz < maxnz ? nz : maxnz) 3252
nr 3252, nc 1, nz 3252, maxnz 11533, (nz < maxnz ? nz : maxnz) 3252
nr 3252, nc 3252, nz 3252, maxnz 3252, (nz < maxnz ? nz : maxnz) 3252
nr 3252, nc 1, nz 3252, maxnz 11533, (nz < maxnz ? nz : maxnz) 3252
octave:5>

Elapsed time is 40.0484 seconds on my subnotebook (ThinkPad E320,
i3-2350), but that's a different topic, the algorithm chosen seems to
fit the special structure of your matrix not very well.
Not sure what to do with the archive you attached, I will look at that
later.