huajsj commented on a change in pull request #10234:
URL: https://github.com/apache/tvm/pull/10234#discussion_r807158199
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File path: src/runtime/pipeline/pipeline_struct.h
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@@ -42,6 +52,75 @@ using GlobalOutputPair = std::pair<int, int>;
* The first 'int' is the module index, and the second 'int' is the module
output index.
*/
using ModuleOutputPair = std::pair<int, int>;
+/*!
+ *\brief The pair includes the module index and the module input index.
+ * The first 'int' is the module index, and the second 'int' is the module
input index.
+ */
+using ModuleInputPair = std::pair<int, int>;
+/*!\brief The data notification structure.*/
+class DataNotify {
+ private:
+ /*!\brief The 'contitional variable' is used to wait for notification.*/
+ std::condition_variable condition_;
+ /*!\brief The mutex is used to protect the 'conditional variable'.*/
+ std::mutex mutex_;
+ /*!\brief Whether a data is ready or not.*/
+ volatile bool data_ready_ = false;
+ /*!\brief Whether the thread should exit or not.*/
+ volatile bool exit_state_ = false;
+ /*!\brief The index of runtime which is sending out the data notification.*/
+ int parent_idx_;
+ /*!\brief The index of runtime output interface which is sending out the
data notification.*/
+ int parent_output_idx_;
Review comment:
the first one is the runtime index, second one is the output index in
the runtime, we use such 2 index value to located a output data in pipeline
forwarding. merged these 2 value into a ModuleOutputPair structure to make it
more readable.
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