Re: [ECOS] dOUG lEE'S MALLOC

[Andrew Lunn <andrew at lunn dot ch>]

On Thu, Sep 13, 2007 at 03:42:36PM -0400, Rick Davis wrote:
> I am porting to a new Power-PC platform that has 256M of DDR on it. I am
> using the latest snapshot (today as a matter of fact). If I call setvbuf
> (stdout, NULL, _IONBF, 0), Doug's code complains throwing some sort of size
> assertion. If I don't call setvbuf but call show_memory, that complains
> about other issues. If I use the simple malloc routines instead, everything
> works fine. Is there a memory size issue? Is something not being called in
> the right order during initialization?

Do you have a simple test case?

I just tried running the synthetic target which a big heap. All the
malloc tests pass. eg malloc4 produces:

INFO:<Starting malloc4 test>
INFO:<Iteration 0, arenasize=276507344, space free=276507324, maxfree=276507324>
INFO:<Iteration 10, arenasize=276507344, space free=31489948, maxfree=29058556>
INFO:<Iteration 20, arenasize=276507344, space free=108284148, maxfree=58859852>
INFO:<Iteration 30, arenasize=276507344, space free=69580420, maxfree=65494596>
INFO:<Iteration 40, arenasize=276507344, space free=1714036, maxfree=1714036>
INFO:<Iteration 50, arenasize=276507344, space free=92251804, maxfree=38098124>
INFO:<Iteration 60, arenasize=276507344, space free=111664980, maxfree=58928772>
INFO:<Iteration 70, arenasize=276507344, space free=47689060, maxfree=36578764>
INFO:<Iteration 80, arenasize=276507344, space free=77573924, maxfree=77573924>
INFO:<Iteration 90, arenasize=276507344, space free=34070540, maxfree=23496868>
INFO:<Iteration 100, arenasize=276507344, space free=29280524, maxfree=29280524>
INFO:<Iteration 110, arenasize=276507344, space free=142085116, maxfree=100678860>
INFO:<Iteration 120, arenasize=276507344, space free=92516524, maxfree=39697388>
INFO:<Iteration 130, arenasize=276507344, space free=178518644, maxfree=110641924>
INFO:<Iteration 140, arenasize=276507344, space free=95249636, maxfree=95249636>
INFO:<Iteration 150, arenasize=276507344, space free=58732380, maxfree=31240340>
INFO:<Iteration 160, arenasize=276507344, space free=154251700, maxfree=109160292>
INFO:<Iteration 170, arenasize=276507344, space free=8964580, maxfree=5096676>
INFO:<Iteration 180, arenasize=276507344, space free=129668932, maxfree=106951988>
INFO:<Iteration 190, arenasize=276507344, space free=89131924, maxfree=89131924>
INFO:<Iteration 200, arenasize=276507344, space free=198999364, maxfree=140538356>
INFO:<Iteration 203, arenasize=276507344, space free=276507324, maxfree=276507324>
PASS:<malloc4 test completed successfully>
EXIT:<done>

Here the heap is around 263Mbytes.

What exactly are the assertion failures you are getting?

     Andrew

-- 
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss