.. highlight:: c

.. _pragma_function_pipeline:

Pipeline Function
-------------------------------

**Syntax**

``#pragma LEGUP function pipeline II(<int>)``

**Description**

This pragma enables pipelining for a given function in the code.
Function pipelining allows a new invocation of a function to begin before the current one has completed, achieving higher throughput.
Optional arguments:

**Parameters**

+-----------+---------+----------+---------+------------------------------+
| Parameter |  Value  | Optional | Default |         Description          |
+===========+=========+==========+=========+==============================+
| ``II``    | Integer | Yes      | 1       | Pipeline initiation interval |
+-----------+---------+----------+---------+------------------------------+

**Position**

At the beginning of the function definition block.


**Examples**

.. code-block:: c

  int sum(int *a) {
  #pragma LEGUP function pipeline
    ...
  }

.. code-block:: c

  int conv(int a[], int b[]) {
  #pragma LEGUP function pipeline II(3)
    ...
  }

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