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Sparse matrices #631

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2be17bb
add CSR sparse matrix multiplication array
majosm Jan 9, 2026
eca03d8
add matplotlib to test conda env
majosm Jan 22, 2026
de4a431
add some checks for shapes of things in make_csr_matrix, and move som…
majosm Jan 23, 2026
e7177fa
minor wording change in comment
majosm Jan 26, 2026
922e733
accept tuple[ToTagSetConvertible, ...] for axes in make_csr_matrix
majosm Feb 9, 2026
87f5820
check for non-affineness instead of subscripts
majosm Feb 13, 2026
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200 changes: 64 additions & 136 deletions .basedpyright/baseline.json
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Original file line number Diff line number Diff line change
Expand Up @@ -2627,6 +2627,22 @@
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Expand Down Expand Up @@ -2707,6 +2723,14 @@
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Expand Down Expand Up @@ -5841,6 +5865,14 @@
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Expand Down Expand Up @@ -7265,134 +7297,6 @@
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Expand All @@ -7401,14 +7305,6 @@
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Expand Down Expand Up @@ -11053,6 +10949,38 @@
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Expand Down
1 change: 1 addition & 0 deletions .test-conda-env-py3.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,3 +15,4 @@ dependencies:
- jax
- openmpi # Force using Open MPI since our pytest infrastructure needs it
- graphviz # for visualization tests
- matplotlib-base
12 changes: 12 additions & 0 deletions pytato/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -57,6 +57,8 @@ def set_debug_enabled(flag: bool) -> None:
AxisPermutation,
BasicIndex,
Concatenate,
CSRMatmul,
CSRMatrix,
DataWrapper,
DictOfNamedArrays,
Einsum,
Expand All @@ -70,6 +72,8 @@ def set_debug_enabled(flag: bool) -> None:
Reshape,
Roll,
SizeParam,
SparseMatmul,
SparseMatrix,
Stack,
arange,
broadcast_to,
Expand All @@ -87,6 +91,7 @@ def set_debug_enabled(flag: bool) -> None:
logical_and,
logical_not,
logical_or,
make_csr_matrix,
make_data_wrapper,
make_dict_of_named_arrays,
make_placeholder,
Expand All @@ -99,6 +104,7 @@ def set_debug_enabled(flag: bool) -> None:
reshape,
roll,
set_traceback_tag_enabled,
sparse_matmul,
squeeze,
stack,
transpose,
Expand Down Expand Up @@ -179,6 +185,8 @@ def set_debug_enabled(flag: bool) -> None:
"Axis",
"AxisPermutation",
"BasicIndex",
"CSRMatmul",
"CSRMatrix",
"Concatenate",
"DataWrapper",
"DictOfNamedArrays",
Expand All @@ -200,6 +208,8 @@ def set_debug_enabled(flag: bool) -> None:
"Reshape",
"Roll",
"SizeParam",
"SparseMatmul",
"SparseMatrix",
"Stack",
"Target",
"abs",
Expand Down Expand Up @@ -247,6 +257,7 @@ def set_debug_enabled(flag: bool) -> None:
"logical_and",
"logical_not",
"logical_or",
"make_csr_matrix",
"make_data_wrapper",
"make_dict_of_named_arrays",
"make_distributed_recv",
Expand All @@ -273,6 +284,7 @@ def set_debug_enabled(flag: bool) -> None:
"show_fancy_placeholder_data_flow",
"sin",
"sinh",
"sparse_matmul",
"sqrt",
"squeeze",
"stack",
Expand Down
23 changes: 23 additions & 0 deletions pytato/analysis/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@
from pytato.array import (
Array,
Concatenate,
CSRMatmul,
DictOfNamedArrays,
Einsum,
IndexBase,
Expand Down Expand Up @@ -155,6 +156,20 @@ def map_einsum(self, expr: Einsum) -> None:
self.array_to_users[dim].append(expr)
self.rec(dim)

def map_csr_matmul(self, expr: CSRMatmul) -> None:
for ary in (
expr.matrix.elem_values,
expr.matrix.elem_col_indices,
expr.matrix.row_starts,
expr.array):
self.array_to_users[ary].append(expr)
self.rec(ary)

for dim in expr.shape:
if isinstance(dim, Array):
self.array_to_users[dim].append(expr)
self.rec(dim)

def map_named_array(self, expr: NamedArray) -> None:
self.rec(expr._container)

Expand Down Expand Up @@ -378,6 +393,14 @@ def map_concatenate(self, expr: Concatenate) -> list[ArrayOrNames]:
def map_einsum(self, expr: Einsum) -> list[ArrayOrNames]:
return self._get_preds_from_shape(expr.shape) + list(expr.args)

def map_csr_matmul(self, expr: CSRMatmul) -> list[ArrayOrNames]:
return [
*self._get_preds_from_shape(expr.shape),
expr.matrix.elem_values,
expr.matrix.elem_col_indices,
expr.matrix.row_starts,
expr.array]

def map_loopy_call(self, expr: LoopyCall) -> list[ArrayOrNames]:
return [ary for ary in expr.bindings.values() if isinstance(ary, Array)]

Expand Down
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