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* Allow specifying extra cflags/ldflags.HEADmasterAnton Khirnov8 days
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* mg2d: add MG2DContext.adaptive_stepAnton Khirnov8 days
| | | | Unused, for API compatibility with the adaptive step branch.
* x86: add a misc utility headerAnton Khirnov8 days
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* Makefile: simplify nasm rulesAnton Khirnov8 days
| | | | There is no need to run nasm twice.
* x86inc.asm: update to current master 04f14f43Anton Khirnov8 days
| | | | | | | Requires changing residual calc functions to AVX2. Also, supply the private prefix via nasm -D option rather than modifying x86inc.asm.
* residual_calc: accept all diff coefficients in a single arrayAnton Khirnov9 days
| | | | | | | Plus an offset parameter that signals the distance between different coefficients. This allows to avoid passing so many pointers around, which reduces register pressure and simplifies writing SIMD. Seems also to be a little faster.
* residual_calc: rename stride to u_strideAnton Khirnov9 days
| | | | | Make it explicit that it only applies to u, as other arrays are not indexed beyond curent line.
* residual_calc: typedef computation kernelsAnton Khirnov9 days
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* mg2d: use correct strideAnton Khirnov9 days
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* Switch from meson to configure+make.Anton Khirnov9 days
| | | | Meson is an extra dependency and generally sucks.
* README: fix description taken verbatim from libteukolskydataAnton Khirnov10 days
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* Add README.Anton Khirnov2021-10-10
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* meson.build: add a trailing slash to asm include pathAnton Khirnov2020-07-13
| | | | Required by earlier nasm versions.
* Track forgotten timer files.Anton Khirnov2020-07-13
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* mg2d: avoid leaks in mg_dh_init()Anton Khirnov2020-07-12
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* mg2d: add logging to some error pathsAnton Khirnov2020-07-11
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* Switch to external ndarray library.Anton Khirnov2020-06-25
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* bicgstab: drop unused labelAnton Khirnov2020-01-26
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* common: print the source location in mg2di_assert()Anton Khirnov2020-01-26
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* mg2d: create a per-level logging contextAnton Khirnov2020-01-26
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* mg2d: export the residual norm to the callerAnton Khirnov2020-01-20
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* mg2d: add a designated error code for reaching maxiterAnton Khirnov2020-01-20
| | | | | Allows to reliably distinguish it from other error cases. Also specify that the values of u are defined for this error code.
* transfer: slightly relax the domain overlap checkAnton Khirnov2020-01-20
| | | | | Allow the destination domain to be outside the source by a small margin (1e-12).
* common: do not interpret printf sequences in mg2di_assert()Anton Khirnov2019-07-10
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* mg2d: calculate the cfl from continuous diff coeffsAnton Khirnov2019-07-06
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* mg2d: reduce restriction order to 1Anton Khirnov2019-06-29
| | | | This seems to work more reliably.
* egs: reduce the max number of BiCGSTAB iterations to 4Anton Khirnov2019-06-29
| | | | | Since we typically do many multigrid iterations per step, being more aggressive about a full inverse gives better performance.
* egs: sync the residual maximum across components.Anton Khirnov2019-06-29
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* transfer: implement and use 1D interpolationAnton Khirnov2019-06-29
| | | | Stop abusing "2D of y size 1" for this.
* mg2d: make init_guess() MPI-awareAnton Khirnov2019-06-29
| | | | API and ABI break.
* implement several relax steps per syncAnton Khirnov2019-06-29
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* egs: make array allocation more readableAnton Khirnov2019-06-29
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* egs: allocate mpi sync parameters only after we know the fd stencilAnton Khirnov2019-06-18
| | | | | Also, forbid it to change after first init. That is not ever used and allowing it unnecessarily complicates the logic.
* egs: skip boundary corners for inter-component boundariesAnton Khirnov2019-06-18
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* egs: simplify reflection boundary handlingAnton Khirnov2019-06-14
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* rescalc: improve reflection boundary conditionsAnton Khirnov2019-06-14
| | | | | Make parameter names more clear/consistent, document them, implement missing 1U boundary.
* egs: constify a function argumentAnton Khirnov2019-06-14
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* mg2d: add API for specifying singular diff coeffs at the boundariesAnton Khirnov2019-06-13
| | | | API and ABI break.
* mg2d: relax condition on divergenceAnton Khirnov2019-06-13
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* ndarray: fix handling SLICE_NULLAnton Khirnov2019-06-13
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* mg2d: implement multicomponent solves for coarser levelsAnton Khirnov2019-06-13
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* mg2d: do not pass NULL as a dummy MPI datatypeAnton Khirnov2019-06-04
| | | | Use MPI_DATATYPE_NULL.
* mg2d: use the all-comp global residual norm for divergence testingAnton Khirnov2019-06-04
| | | | | Residual may grow dramatically in certain components while globally decreasing.
* mg2d: export the local component extents in public APIAnton Khirnov2019-06-02
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* egs: handle falloff boundaries properly with multiple componentsAnton Khirnov2019-06-02
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* mg2d: add support for MPI-based multi-component solvesAnton Khirnov2019-05-23
| | | | | For the moment, only the finest component is distributed, any coarser levels are gathered to rank 0. That should change in the future.
* egs: add support for MPI-based multi-component solvesAnton Khirnov2019-05-23
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* mg2d_test: scale the tolerance with step sizeAnton Khirnov2019-05-23
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* transfer: allow optional extrapolationAnton Khirnov2019-05-23
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* Make the ghost points explicit in prolongationAnton Khirnov2019-05-21
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