[Mesa-dev] [PATCH v2 00/11] nir: Add some optimizations on variables

[Jason Ekstrand]

ping

On Sun, Jul 29, 2018 at 12:44 AM Jason Ekstrand <jason at jlekstrand.net>
wrote:

> This is the second version of my optimization series for variables.  The
> first version, including the very descriptive cover letter can be found
> here:
>
> https://patchwork.freedesktop.org/series/47295/
>
> This second version contains changes to the array splitting and vector
> narrowing passes.  The array splitting pass is just cleaned up a bit to
> be more understandable and match the other passes better.  The vector
> narrowing pass is renamed to nir_shrink_vec_array_vars and is improved to
> also be able to shrink over-sized arrays.
>
> This series can be found on my gitlab here:
>
> https://gitlab.freedesktop.org/jekstrand/mesa/commits/wip/nir-var-opts
>
> Cc: Timothy Arceri <tarceri at itsqueeze.com>
> Cc: Caio Marcelo de Oliveira Filho <caio.oliveira at intel.com>
>
> Jason Ekstrand (11):
>   util/list: Make some helpers take const lists
>   nir: Take if uses into account in ssa_def_components_read
>   nir/instr_set: Fix nir_instrs_equal for derefs
>   nir/types: Add array_or_matrix helpers
>   nir: Add a structure splitting pass
>   nir: Add an array splitting pass
>   intel/nir: Use the new structure and array splitting passes
>   nir: Add a array-of-vector variable shrinking pass
>   intel/nir: Use nir_shrink_vec_array_vars
>   nir: Add an array copy optimization
>   intel/nir: Enable nir_opt_find_array_copies
>
>  src/compiler/Makefile.sources                |    2 +
>  src/compiler/nir/meson.build                 |    2 +
>  src/compiler/nir/nir.c                       |    3 +
>  src/compiler/nir/nir.h                       |    5 +
>  src/compiler/nir/nir_instr_set.c             |    4 +-
>  src/compiler/nir/nir_opt_find_array_copies.c |  383 +++++
>  src/compiler/nir/nir_split_vars.c            | 1548 ++++++++++++++++++
>  src/compiler/nir_types.cpp                   |   15 +
>  src/compiler/nir_types.h                     |    2 +
>  src/intel/compiler/brw_nir.c                 |   19 +-
>  src/intel/compiler/brw_nir.h                 |    3 +-
>  src/util/list.h                              |    8 +-
>  12 files changed, 1980 insertions(+), 14 deletions(-)
>  create mode 100644 src/compiler/nir/nir_opt_find_array_copies.c
>  create mode 100644 src/compiler/nir/nir_split_vars.c
>
> --
> 2.17.1
>
>
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