[petsc-users] memory control

[Zhang Wei]

Hi
I fixed it, I misunderstood the mean of parameter N, which resulting a
N^2 size problem. thanks for your help.
On Mon, 2013-03-18 at 10:24 -0500, Jed Brown wrote:
> On Mon, Mar 18, 2013 at 10:15 AM, Zhang Wei <zhang.wei at chalmers.se>
> wrote:
>         Hi
>         I am new to the slepc, I am struggling with handson exercies
>         "Exercise 5: Problem without Explicit Matrix Storage", it
>         seems the memory cost is really big for the case, as i simply
>         increase the size of case ,n, to 9600 resulting cost around
>         8Gb memory during the runtime, and at beginning stage, it is
>         clearly observed that each vector in krylove space cost 800Mb
>         for 9600 elements case.. that is unreasonable.can any one help
>         me on that ?
> 
> 
> This doesn't sound right. Please send -log_summary output and explain
> what you are doing.