Comments (5)
spasmann
commented on September 23, 2024
Changed rng_seed=123456 and bug occurs earlier. But interesting to note that the x and z locations changed but bug occurs at nearly the same y location.
__ __ ____ __ ____ ____
| \/ |/ ___|/ /_ _ \ / ___|
| |\/| | | /_ / | | | |
| | | | |___ / /| |_| | |___
|_| |_|\____|// |____/ \____|
Mode | Numba
Algorithm | History-based
MPI Processes | 9216
OpenMP Threads | 1
Now running TNT...
# k k (avg)
==== ======= ===================
1 0.65236
2 1.09602
3 1.12513
4 1.14152
5 1.15266
6 1.16076
7 1.16661
8 1.17105
9 1.17465
10 1.17721
11 1.17920
12 1.18093
13 1.18225
[=============== ] 47%A particle is lost at ( 9.493165108613994 9.999951427742673e-11 19.1624208271341 )
A particle is lost at ( 9.493165108613994 9.999951427742673e-11 19.1624208271341 )
A particle is lost at ( 9.493165108613994 9.999951427742673e-11 19.1624208271341 )
A particle is lost at ( 9.493165108613994 9.999951427742673e-11 19.1624208271341 )
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spasmann
commented on September 23, 2024
I noticed a slight difference between my input deck and the default one in examples/eigenvalue/2d_c5g7/. I was placing the source over the full problem and the default input deck only places a source in the assembly regions. Ran it again and am still getting the same bug, but the particle is stuck in x position, not the y. Also note that I'm running with the old 2d c5g7 cross sections, not the newer TD cross sections which contain delayed neutrons. This shouldn't affect the bug, but may affect exactly when it occurs.
__ __ ____ __ ____ ____
| \/ |/ ___|/ /_ _ \ / ___|
| |\/| | | /_ / | | | |
| | | | |___ / /| |_| | |___
|_| |_|\____|// |____/ \____|
Mode | Numba
Algorithm | History-based
MPI Processes | 9216
OpenMP Threads | 1
Now running TNT...
# k k (avg)
==== ======= ===================
1 1.31874
2 1.12677
[== ] 9%A particle is lost at ( -9.999739791478601e-11 -29.265970664731935 3.531746088733078 )
A particle is lost at ( -9.999739791478601e-11 -29.265970664731935 3.531746088733078 )
A particle is lost at ( -9.999739791478601e-11 -29.265970664731935 3.531746088733078 )
A particle is lost at ( -9.999739791478601e-11 -29.265970664731935 3.531746088733078 )
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spasmann
commented on September 23, 2024
@clemekay suggested moving the x=0 and y=0 boundaries to values slightly greater or less than 0. I set x=1e-10 and y=-1e-10 and the simulation completed without error!
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jpmorgan98
commented on September 23, 2024
Can this be closed?
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spasmann
commented on September 23, 2024
We could close it because we have a workaround, but the bug still exists. I'm fine either way.
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Related Issues (20)
- Documentation fails to build starting at #dc54a2b HOT 2
- "A particle is lost" recursive loop
- Numba does not reproduce Python results HOT 1
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- Update installation script to match pyproject requirements
- `Seg fault` with `*** Process received signal ***` HOT 4
- GPU compilation fails after PR #198 (next VR) HOT 1
- Updated Documentation (next VR) HOT 1
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- Resolving issues related to iQMC HOT 4
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- Conda environment management deprecation
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