build[next]: switch dace version to main branch from git repo

.pre-commit-config.yaml

@@ -9,7 +9,7 @@ repos:
 
 - repo: https://github.com/astral-sh/uv-pre-commit
   # uv version.
-  rev: 0.5.10
+  rev: 0.5.25
   hooks:
   - id: uv-lock
 

noxfile.py

@@ -61,6 +61,10 @@
     "internal": {"extras": [], "markers": ["not requires_dace"]},
     "dace": {"extras": ["dace"], "markers": ["requires_dace"]},
 }
+# Use dace-next for GT4Py-next, to install a different dace version than in cartesian
+CodeGenNextTestSettings = CodeGenTestSettings | {
+    "dace": {"extras": ["dace-next"], "markers": ["requires_dace"]},
+}
 
 
 # -- nox sessions --
@@ -158,7 +162,7 @@ def test_next(
 ) -> None:
     """Run selected 'gt4py.next' tests."""
 
-    codegen_settings = CodeGenTestSettings[codegen]
+    codegen_settings = CodeGenNextTestSettings[codegen]
     device_settings = DeviceTestSettings[device]
     groups: list[str] = ["test"]
     mesh_markers: list[str] = []

pyproject.toml

@@ -132,7 +132,8 @@ all = ['gt4py[dace,formatting,jax,performance,testing]']
 cuda11 = ['cupy-cuda11x>=12.0']
 cuda12 = ['cupy-cuda12x>=12.0']
 # features
-dace = ['dace>=1.0.0,<1.1.0']  # v1.x will contain breaking changes, see https://github.com/spcl/dace/milestone/4
+dace = ['dace>=1.0.1,<1.1.0']  # v1.x will contain breaking changes, see https://github.com/spcl/dace/milestone/4
+dace-next = ['dace']  # pull dace latest version from the git repository
 formatting = ['clang-format>=9.0']
 jax = ['jax>=0.4.26']
 jax-cuda12 = ['jax[cuda12_local]>=0.4.26', 'gt4py[cuda12]']
@@ -438,6 +439,14 @@ conflicts = [
     {extra = 'jax-cuda12'},
     {extra = 'rocm4_3'},
     {extra = 'rocm5_0'}
+  ],
+  [
+    {extra = 'dace'},
+    {extra = 'dace-next'}
+  ],
+  [
+    {extra = 'all'},
+    {extra = 'dace-next'}
   ]
 ]
 
@@ -448,3 +457,4 @@ url = 'https://test.pypi.org/simple/'
 
 [tool.uv.sources]
 atlas4py = {index = "test.pypi"}
+dace = {git = "https://github.com/spcl/dace", branch = "main", extra = "dace-next"}

src/gt4py/next/program_processors/runners/dace/gtir_dataflow.py

@@ -113,7 +113,7 @@ class IteratorExpr:
 
     field: dace.nodes.AccessNode
     gt_dtype: ts.ListType | ts.ScalarType
-    field_domain: list[tuple[gtx_common.Dimension, dace.symbolic.SymExpr]]
+    field_domain: list[tuple[gtx_common.Dimension, dace.symbolic.SymbolicType]]
     indices: dict[gtx_common.Dimension, DataExpr]
 
     def get_field_type(self) -> ts.FieldType:
@@ -767,9 +767,6 @@ def write_output_of_nested_sdfg_to_temporary(inner_value: ValueExpr) -> ValueExp
 
         assert len(node.args) == 3
 
-        # TODO(edopao): enable once supported in next DaCe release
-        use_conditional_block: Final[bool] = False
-
         # evaluate the if-condition that will write to a boolean scalar node
         condition_value = self.visit(node.args[0])
         assert (
@@ -785,26 +782,18 @@ def write_output_of_nested_sdfg_to_temporary(inner_value: ValueExpr) -> ValueExp
         nsdfg.debuginfo = gtir_sdfg_utils.debug_info(node, default=self.sdfg.debuginfo)
 
         # create states inside the nested SDFG for the if-branches
-        if use_conditional_block:
-            if_region = dace.sdfg.state.ConditionalBlock("if")
-            nsdfg.add_node(if_region)
-            entry_state = nsdfg.add_state("entry", is_start_block=True)
-            nsdfg.add_edge(entry_state, if_region, dace.InterstateEdge())
-
-            then_body = dace.sdfg.state.ControlFlowRegion("then_body", sdfg=nsdfg)
-            tstate = then_body.add_state("true_branch", is_start_block=True)
-            if_region.add_branch(dace.sdfg.state.CodeBlock("__cond"), then_body)
-
-            else_body = dace.sdfg.state.ControlFlowRegion("else_body", sdfg=nsdfg)
-            fstate = else_body.add_state("false_branch", is_start_block=True)
-            if_region.add_branch(dace.sdfg.state.CodeBlock("not (__cond)"), else_body)
-
-        else:
-            entry_state = nsdfg.add_state("entry", is_start_block=True)
-            tstate = nsdfg.add_state("true_branch")
-            nsdfg.add_edge(entry_state, tstate, dace.InterstateEdge(condition="__cond"))
-            fstate = nsdfg.add_state("false_branch")
-            nsdfg.add_edge(entry_state, fstate, dace.InterstateEdge(condition="not (__cond)"))
+        if_region = dace.sdfg.state.ConditionalBlock("if")
+        nsdfg.add_node(if_region)
+        entry_state = nsdfg.add_state("entry", is_start_block=True)
+        nsdfg.add_edge(entry_state, if_region, dace.InterstateEdge())
+
+        then_body = dace.sdfg.state.ControlFlowRegion("then_body", sdfg=nsdfg)
+        tstate = then_body.add_state("true_branch", is_start_block=True)
+        if_region.add_branch(dace.sdfg.state.CodeBlock("__cond"), then_body)
+
+        else_body = dace.sdfg.state.ControlFlowRegion("else_body", sdfg=nsdfg)
+        fstate = else_body.add_state("false_branch", is_start_block=True)
+        if_region.add_branch(dace.sdfg.state.CodeBlock("not (__cond)"), else_body)
 
         input_memlets: dict[str, MemletExpr | ValueExpr] = {}
         nsdfg_symbols_mapping: Optional[dict[str, dace.symbol]] = None

src/gt4py/next/program_processors/runners/dace/gtir_scan_translator.py

@@ -312,6 +312,10 @@ def _lower_lambda_to_nested_sdfg(
     # the lambda expression, i.e. body of the scan, will be created inside a nested SDFG.
     nsdfg = dace.SDFG(sdfg_builder.unique_nsdfg_name(sdfg, "scan"))
     nsdfg.debuginfo = gtir_sdfg_utils.debug_info(lambda_node, default=sdfg.debuginfo)
+    # We set `using_explicit_control_flow=True` because the vertical scan is lowered to a `LoopRegion`.
+    # This property is used by pattern matching in SDFG transformation framework
+    # to skip those transformations that do not yet support control flow blocks.
+    nsdfg.using_explicit_control_flow = True
     lambda_translator = sdfg_builder.setup_nested_context(lambda_node, nsdfg, lambda_symbols)
 
     # use the vertical dimension in the domain as scan dimension

src/gt4py/next/program_processors/runners/dace/gtir_sdfg.py

@@ -21,7 +21,6 @@
 from typing import Any, Dict, Iterable, List, Optional, Protocol, Sequence, Set, Tuple, Union
 
 import dace
-from dace.sdfg import utils as dace_sdfg_utils
 
 from gt4py import eve
 from gt4py.eve import concepts
@@ -999,9 +998,6 @@ def build_sdfg_from_gtir(
     sdfg = sdfg_genenerator.visit(ir)
     assert isinstance(sdfg, dace.SDFG)
 
-    # TODO(edopao): remove inlining when DaCe transformations support LoopRegion construct
-    dace_sdfg_utils.inline_loop_blocks(sdfg)
-
     if disable_field_origin_on_program_arguments:
         _remove_field_origin_symbols(ir, sdfg)
 

src/gt4py/next/program_processors/runners/dace/transformations/auto_optimize.py

@@ -280,6 +280,7 @@ def gt_auto_optimize(
                 #   For compatibility with DaCe (and until we found out why) the GT4Py
                 #   auto optimizer will emulate this behaviour.
                 for state in sdfg.states():
+                    assert isinstance(state, dace.SDFGState)
                     for edge in state.edges():
                         edge.data.wcr_nonatomic = False
 

src/gt4py/next/program_processors/runners/dace/transformations/gpu_utils.py

@@ -160,62 +160,9 @@ def gt_gpu_transform_non_standard_memlet(
             correct loop order.
         - This function should be called after `gt_set_iteration_order()` has run.
     """
-    new_maps: set[dace_nodes.MapEntry] = set()
-
-    # This code is is copied from DaCe's code generator.
-    for e, state in list(sdfg.all_edges_recursive()):
-        nsdfg = state.parent
-        if (
-            isinstance(e.src, dace_nodes.AccessNode)
-            and isinstance(e.dst, dace_nodes.AccessNode)
-            and e.src.desc(nsdfg).storage == dace_dtypes.StorageType.GPU_Global
-            and e.dst.desc(nsdfg).storage == dace_dtypes.StorageType.GPU_Global
-        ):
-            a: dace_nodes.AccessNode = e.src
-            b: dace_nodes.AccessNode = e.dst
 
-            copy_shape, src_strides, dst_strides, _, _ = dace_cpp.memlet_copy_to_absolute_strides(
-                None, nsdfg, state, e, a, b
-            )
-            dims = len(copy_shape)
-            if dims == 1:
-                continue
-            elif dims == 2:
-                if src_strides[-1] != 1 or dst_strides[-1] != 1:
-                    try:
-                        is_src_cont = src_strides[0] / src_strides[1] == copy_shape[1]
-                        is_dst_cont = dst_strides[0] / dst_strides[1] == copy_shape[1]
-                    except (TypeError, ValueError):
-                        is_src_cont = False
-                        is_dst_cont = False
-                    if is_src_cont and is_dst_cont:
-                        continue
-                else:
-                    continue
-            elif dims > 2:
-                if not (src_strides[-1] != 1 or dst_strides[-1] != 1):
-                    continue
-
-            # For identifying the new map, we first store all neighbors of `a`.
-            old_neighbors_of_a: list[dace_nodes.AccessNode] = [
-                edge.dst for edge in state.out_edges(a)
-            ]
-
-            # Turn unsupported copy to a map
-            try:
-                dace_transformation.dataflow.CopyToMap.apply_to(
-                    nsdfg, save=False, annotate=False, a=a, b=b
-                )
-            except ValueError:  # If transformation doesn't match, continue normally
-                continue
-
-            # We find the new map by comparing the new neighborhood of `a` with the old one.
-            new_nodes: set[dace_nodes.MapEntry] = {
-                edge.dst for edge in state.out_edges(a) if edge.dst not in old_neighbors_of_a
-            }
-            assert any(isinstance(new_node, dace_nodes.MapEntry) for new_node in new_nodes)
-            assert len(new_nodes) == 1
-            new_maps.update(new_nodes)
+    # Expand all non standard memlets and get the new MapEntries.
+    new_maps: set[dace_nodes.MapEntry] = _gt_expand_non_standard_memlets(sdfg)
 
     # If there are no Memlets that are translated to copy-Maps, then we have nothing to do.
     if len(new_maps) == 0:
@@ -283,6 +230,88 @@ def restrict_fusion_to_newly_created_maps(
     return sdfg
 
 
+def _gt_expand_non_standard_memlets(
+    sdfg: dace.SDFG,
+) -> set[dace_nodes.MapEntry]:
+    """Finds all non standard Memlet in the SDFG and expand them.
+
+    The function is used by `gt_gpu_transform_non_standard_memlet()` and performs
+    the actual expansion of the Memlet, i.e. turning all Memlets that can not be
+    expressed as a `memcpy()` into a Map, copy kernel.
+    The function will return the MapEntries of all expanded.
+
+    The function will process the SDFG recursively.
+    """
+    new_maps: set[dace_nodes.MapEntry] = set()
+    for nsdfg in sdfg.all_sdfgs_recursive():
+        new_maps.update(_gt_expand_non_standard_memlets_sdfg(nsdfg))
+    return new_maps
+
+
+def _gt_expand_non_standard_memlets_sdfg(
+    sdfg: dace.SDFG,
+) -> set[dace_nodes.MapEntry]:
+    """Implementation of `_gt_expand_non_standard_memlets()` that process a single SDFG."""
+    new_maps: set[dace_nodes.MapEntry] = set()
+    # The implementation is based on DaCe's code generator.
+    for state in sdfg.states():
+        for e in state.edges():
+            # We are only interested in edges that connects two access nodes of GPU memory.
+            if not (
+                isinstance(e.src, dace_nodes.AccessNode)
+                and isinstance(e.dst, dace_nodes.AccessNode)
+                and e.src.desc(sdfg).storage == dace_dtypes.StorageType.GPU_Global
+                and e.dst.desc(sdfg).storage == dace_dtypes.StorageType.GPU_Global
+            ):
+                continue
+
+            a: dace_nodes.AccessNode = e.src
+            b: dace_nodes.AccessNode = e.dst
+            copy_shape, src_strides, dst_strides, _, _ = dace_cpp.memlet_copy_to_absolute_strides(
+                None, sdfg, state, e, a, b
+            )
+            dims = len(copy_shape)
+            if dims == 1:
+                continue
+            elif dims == 2:
+                if src_strides[-1] != 1 or dst_strides[-1] != 1:
+                    try:
+                        is_src_cont = src_strides[0] / src_strides[1] == copy_shape[1]
+                        is_dst_cont = dst_strides[0] / dst_strides[1] == copy_shape[1]
+                    except (TypeError, ValueError):
+                        is_src_cont = False
+                        is_dst_cont = False
+                    if is_src_cont and is_dst_cont:
+                        continue
+                else:
+                    continue
+            elif dims > 2:
+                if not (src_strides[-1] != 1 or dst_strides[-1] != 1):
+                    continue
+
+            # For identifying the new map, we first store all neighbors of `a`.
+            old_neighbors_of_a: list[dace_nodes.AccessNode] = [
+                edge.dst for edge in state.out_edges(a)
+            ]
+
+            # Turn unsupported copy to a map
+            try:
+                dace_transformation.dataflow.CopyToMap.apply_to(
+                    sdfg, save=False, annotate=False, a=a, b=b
+                )
+            except ValueError:  # If transformation doesn't match, continue normally
+                continue
+
+            # We find the new map by comparing the new neighborhood of `a` with the old one.
+            new_nodes: set[dace_nodes.MapEntry] = {
+                edge.dst for edge in state.out_edges(a) if edge.dst not in old_neighbors_of_a
+            }
+            assert any(isinstance(new_node, dace_nodes.MapEntry) for new_node in new_nodes)
+            assert len(new_nodes) == 1
+            new_maps.update(new_nodes)
+    return new_maps
+
+
 def gt_set_gpu_blocksize(
     sdfg: dace.SDFG,
     block_size: Optional[Sequence[int | str] | str],

src/gt4py/next/program_processors/runners/dace/transformations/local_double_buffering.py

@@ -38,7 +38,6 @@ def gt_create_local_double_buffering(
     it is not needed that the whole data is stored, but only the working set
     of a single thread.
     """
-
     processed_maps = 0
     for nsdfg in sdfg.all_sdfgs_recursive():
         processed_maps += _create_local_double_buffering_non_recursive(nsdfg)
@@ -60,6 +59,7 @@ def _create_local_double_buffering_non_recursive(
 
     processed_maps = 0
     for state in sdfg.states():
+        assert isinstance(state, dace.SDFGState)
         scope_dict = state.scope_dict()
         for node in state.nodes():
             if not isinstance(node, dace_nodes.MapEntry):