def from_clusters(cls, *clusters):
"""
Build a new Cluster from a sequence of pre-existing Clusters with
compatible IterationSpace.
"""
assert len(clusters) > 0
root = clusters[0]
if not all(root.ispace.is_compatible(c.ispace) for c in clusters):
raise ValueError("Cannot build a Cluster from Clusters with "
"incompatible IterationSpace")
if not all(root.guards == c.guards for c in clusters):
raise ValueError("Cannot build a Cluster from Clusters with "
"non-homogeneous guards")
exprs = chain(*[c.exprs for c in clusters])
ispace = IterationSpace.union(*[c.ispace for c in clusters])
dspace = DataSpace.union(*[c.dspace for c in clusters])
guards = root.guards
properties = {}
for c in clusters:
for d, v in c.properties.items():
properties[d] = normalize_properties(properties.get(d, v), v)
try:
syncs = normalize_syncs(*[c.syncs for c in clusters])
except ValueError:
raise ValueError("Cannot build a Cluster from Clusters with "
"non-compatible synchronization operations")
return Cluster(exprs, ispace, dspace, guards, properties, syncs)
def from_clusters(cls, *clusters):
"""
Build a new Cluster from a sequence of pre-existing Clusters with
compatible IterationSpace.
"""
assert len(clusters) > 0
root = clusters[0]
assert all(root.ispace.is_compatible(c.ispace) for c in clusters)
exprs = chain(*[c.exprs for c in clusters])
ispace = IterationSpace.union(*[c.ispace for c in clusters])
dspace = DataSpace.union(*[c.dspace for c in clusters])
return Cluster(exprs, ispace, dspace)
def from_clusters(cls, *clusters):
"""
Build a new Cluster from a sequence of pre-existing Clusters with
compatible IterationSpace.
"""
assert len(clusters) > 0
root = clusters[0]
if not all(root.ispace.is_compatible(c.ispace) for c in clusters):
raise ValueError("Cannot build a Cluster from Clusters with "
"incompatible IterationSpace")
if not all(root.properties == c.properties for c in clusters):
raise ValueError("Cannot build a Cluster from Clusters with "
"non-homogeneous properties")
exprs = chain(*[c.exprs for c in clusters])
ispace = IterationSpace.union(*[c.ispace for c in clusters])
dspace = DataSpace.union(*[c.dspace for c in clusters])
return Cluster(exprs, ispace, dspace, properties=root.properties)
def dspace(self):
"""Return the DataSpace of this ClusterGroup."""
return DataSpace.union(*[i.dspace.reset() for i in self])