misc: Clear caches after Operator construction

Author: enwask

devito/operator/operator.py

@@ -13,6 +13,7 @@
 from devito.data import default_allocator
 from devito.exceptions import (CompilationError, ExecutionError, InvalidArgument,
                                InvalidOperator)
+from devito.ir.support.basic import Dependence, Scope
 from devito.logger import (debug, info, perf, warning, is_log_enabled_for,
                            switch_log_level)
 from devito.ir.equations import LoweredEq, lower_exprs, concretize_subdims
@@ -245,6 +246,10 @@ def _build(cls, expressions, **kwargs):
         op._dtype, op._dspace = irs.clusters.meta
         op._profiler = profiler
 
+        # Clear Scope + Dependence caches
+        Scope._fetch.cache_clear()
+        Dependence.fetch.cache_clear()
+
         return op
 
     def __init__(self, *args, **kwargs):

devito/types/caching.py

@@ -166,11 +166,6 @@ def clear(cls, force=True):
         # Wipe out the "true" SymPy cache
         cache.clear_cache()
 
-        # Clear Scope + Dependence caches (imported here to avoid circular imports)
-        from devito.ir.support.basic import Scope, Dependence  # noqa: E402
-        Scope._fetch.cache_clear()
-        Dependence.fetch.cache_clear()
-
         # Wipe out the hidden module-private SymPy caches
         sympy.polys.rootoftools.ComplexRootOf.clear_cache()
         sympy.polys.domains.modularinteger._modular_integer_cache.clear()