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Implement an iterative Poisson solver #69

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Implement an iterative Poisson solver #69

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This is based off the Poisson branch #32 and adds the interface to PETSc as an alternative Poisson solver.

semi-h and others added 30 commits February 19, 2024 11:46
@semi-h
Add a Poisson solver selection mechanism.
7a342be
@semi-h
Implement a dedicated class for the FFT based Poisson solver.
bcd1056
@semi-h
Store compact scheme coefficients in tdsops class.
e6c488b
@semi-h
Store domain length and dx in dirps_t.
d4c6831
@semi-h
Change the way we initialise poisson_fft class.
d0d11d9
@semi-h
Construct the waves array for all periodic BCs.
9cbdf95
@semi-h
Create cufft plans.
9d36b6b
@semi-h
Add postprocessing in spectral space.
bcbaf18
@pbartholomew08
Merge branch 'poisson' into 44-poisson-solver-iterative-solver
2b648d2
@pbartholomew08
Ignore emacs project configuration file
11a6960
@pbartholomew08
Merge branch 'main' into 44-poisson-solver-iterative-solver
fad59f1
@semi-h
Add a Poisson solver selection mechanism.
257b4ee
@semi-h
Implement a dedicated class for the FFT based Poisson solver.
87f0763
@semi-h
Store compact scheme coefficients in tdsops class.
dc3fe5c
@semi-h
Store domain length and dx in dirps_t.
7d67a0e
@semi-h
Change the way we initialise poisson_fft class.
bbe17d6
@semi-h
Construct the waves array for all periodic BCs.
266c3a9
@semi-h
Create cufft plans.
b1a3589
@semi-h
Add postprocessing in spectral space.
b138b40
@semi-h
Store plans at poisson_fft class level.
4953d87
@semi-h
Add forward FFT transforms.
4cde72d
@semi-h
Add backward FFT transforms.
178c920
@semi-h
Fix allocation size of the waves array on GPU.
7893007
@semi-h
Change shape of the c_x/y/z arrays.
de51f15
@semi-h
Add postprocessing kernel call.
994e83e
@semi-h
Add complex reordering functions.
f609516
@semi-h
Call complex reordering functions in forward and backward FFTs.
1f5564a
@semi-h
No need to initialise backends with dirps any more.
add29cc
@semi-h
Cleanups.
b982e52
@semi-h
Cleanup and style fix.
8e1f39b
@pbartholomew08 pbartholomew08 force-pushed the 44-poisson-solver-iterative-solver branch from 7223542 to 60b2726 Compare July 24, 2024 08:58
@pbartholomew08 pbartholomew08 force-pushed the 44-poisson-solver-iterative-solver branch from 3025e76 to 9383258 Compare October 28, 2024 10:00
@pbartholomew08 pbartholomew08 force-pushed the 44-poisson-solver-iterative-solver branch from 9383258 to 824c631 Compare November 5, 2024 09:55
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Poisson solver (iterative solver)
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@pbartholomew08 @semi-h