[Users] Possible Carpet issue with Maxwell version of ET
Yosef Zlochower
yosef at astro.rit.edu
Mon Dec 12 16:49:25 CST 2011
On 12/12/2011 01:21 PM, Erik Schnetter wrote:
> prolongation='none' is one of the possibilities; there are other
> prolongation types, e.g. sync, restrict, or copy.
>
> To find out what is going on, we need to find out which thorn called on
> Carpet to interpolate in time for what reason. A stack backtrace or
> similar information would be useful.
>
> -erik
Here is the backtrace
Backtrace from rank 1 pid 32125:
1. /lib64/tls/libc.so.6 [0x2a97164300]
2. gdata::find_source_timelevel(std::vector<double,
std::allocator<double> > const&, double, int, operator_type, int&,
int&)(./cactus_lazev)
3. gdata::transfer_from(comm_state&, std::vector<gdata const*,
std::allocator<gdata const*> > const&, std::vector<double,
std::allocator<double> > const&, bbox<int, 3> const&, bbox<int, 3>
const&, int, int, double, int, int)(./cactus_lazev)
4. ggf::transfer_from_all(comm_state&, int, int, int,
std::vector<sendrecv_pseudoregion_t,
std::allocator<sendrecv_pseudoregion_t> > const dh::fast_dboxes::*,
std::vector<int, std::allocator<int> > const&, int, int, double const&,
bool, bool)(./cactus_lazev)
5. ggf::recompose_fill(comm_state&, int, bool)(./cactus_lazev)
6. dh::recompose(int, bool)(./cactus_lazev)
7. gh::recompose(int, bool)(./cactus_lazev)
8. Carpet::Recompose(_cGH const*, int, bool)(./cactus_lazev)
9. ./cactus_lazev [0x10c01c5]
a. Carpet::Evolve(tFleshConfig*)(./cactus_lazev)
b. ./cactus_lazev(main+0x9f) [0x4eb0cf]
c. /lib64/tls/libc.so.6(__libc_start_main+0xdb) [0x2a9715
> On Mon, Dec 12, 2011 at 12:45 PM, Yosef Zlochower <yosef at astro.rit.edu
> <mailto:yosef at astro.rit.edu>> wrote:
>
> On 12/12/2011 12:11 PM, Erik Schnetter wrote:
>
> Other causes for a timer interpolation may be a spatial
> interpolation at
> a time where the coarse grid does not exist, or a reduction
> operation at
> such a time (e.g. for scalar output).
>
>
> I haven't declared it with prolongation=none, but I never interpolate
> it, reduce it, or sync it.
>
>
> How do you declare this variable? You may need to explicitly
> tell Carpet
> to leave this variable alone, or to report an error when such an
> operation is attempted.
>
> How do I do this?
>
> -erik
>
> On Mon, Dec 12, 2011 at 11:35 AM, Frank Loeffler
> <knarf at cct.lsu.edu <mailto:knarf at cct.lsu.edu>
> <mailto:knarf at cct.lsu.edu <mailto:knarf at cct.lsu.edu>>> wrote:
>
> On Mon, Dec 12, 2011 at 10:32:55AM -0500, Yosef Zlochower wrote:
> > -> Internal error: extrapolation in time.
> variable=LAZEV::dotalp
> > time=118.90625 times=[118.9375]
> >
> > I am unsure how the times could have gotten out of sync at such a
> late
> > time in the simulation without getting out of sync earlier. I
> also
> > do not understand why a time interpolation should have been
> attempted
> > in the first place. I don't sync or attempt to interpolate
> this GF.
>
> Do you regrid at that time? It might happen that in order to
> regrid at
> that particular time Carpet would need to interpolate in
> time, and it
> didn't do before because levels might have been lined up at
> the time of
> regridding.
>
> Frank
>
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> --
> Erik Schnetter <schnetter at cct.lsu.edu
> <mailto:schnetter at cct.lsu.edu> <mailto:schnetter at cct.lsu.edu
> <mailto:schnetter at cct.lsu.edu>>__>
> http://www.cct.lsu.edu/~__eschnett/
> <http://www.cct.lsu.edu/~eschnett/>
>
>
>
> --
> Dr. Yosef Zlochower
> Center for Computational Relativity and Gravitation
> Assistant Professor
> School of Mathematical Sciences
> Rochester Institute of Technology
> 85 Lomb Memorial Drive
> Rochester, NY 14623
>
> Office:74-2067
> Phone: +1 585-475-6103 <tel:%2B1%20585-475-6103>
>
> yosef at astro.rit.edu <mailto:yosef at astro.rit.edu>
>
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> --
> Erik Schnetter <schnetter at cct.lsu.edu <mailto:schnetter at cct.lsu.edu>>
> http://www.cct.lsu.edu/~eschnett/
>
--
Dr. Yosef Zlochower
Center for Computational Relativity and Gravitation
Assistant Professor
School of Mathematical Sciences
Rochester Institute of Technology
85 Lomb Memorial Drive
Rochester, NY 14623
Office:74-2067
Phone: +1 585-475-6103
yosef at astro.rit.edu
CONFIDENTIALITY NOTE: The information transmitted, including
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