zhiics commented on a change in pull request #4644: [WIP] Relay op strategy
URL: https://github.com/apache/incubator-tvm/pull/4644#discussion_r376162304
##########
File path: include/tvm/te/schedule.h
##########
@@ -742,6 +743,55 @@ class SingletonNode : public IterVarRelationNode {
TVM_DECLARE_FINAL_OBJECT_INFO(SingletonNode, IterVarRelationNode);
};
+class SpecializedConditionNode;
+
+/*!
+ * \brief Specialized condition to enable op specialization
+ */
+class SpecializedCondition : public ObjectRef {
+ public:
+ SpecializedCondition() {}
+ explicit SpecializedCondition(ObjectPtr<Object> n) : ObjectRef(n) {}
+ /*!
+ * \brief Get the current specialized condition.
+ * \return The current specialized condition.
+ */
+ TVM_DLL static SpecializedCondition Current();
+
+ const SpecializedConditionNode* operator->() const;
+
+ using ContainerType = SpecializedConditionNode;
+ class Internal;
+ private:
+ // enable with syntax.
+ friend class Internal;
+ friend class With<SpecializedCondition>;
+ /*! \brief Push a new specialized condition onto the thread local stack. */
+ TVM_DLL void EnterWithScope();
+ /*! \brief Pop a specialized condition off the thread local context stack. */
+ TVM_DLL void ExitWithScope();
+};
+
+/*! \brief Container for specialization conditions. */
+class SpecializedConditionNode : public Object {
+ public:
+ /*!
+ * \brief List of conditions in conjunctive joint form (CNF).
+ * Each condition should be a simple expression, e.g., n > 16, m % 8 == 0,
etc.,
+ * where n, m are tvm::Var that represents a dimension in the tensor shape.
+ */
+ Array<PrimExpr> clauses;
+
+ void VisitAttrs(AttrVisitor* v) {
+ v->Visit("clauses", &clauses);
+ }
+
+ static SpecializedCondition make(Array<PrimExpr> conditions);
+
+ static constexpr const char* _type_key = "SpecializedCondition";
Review comment:
te.SpecializedCondition ?
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
