---
name: "clReleaseKernel"
section: "3clc"
platform: "linux"
package: "opencl-1.2-man-doc"
version: "1.0~svn33624-5.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/clReleaseKernel"
---

# clReleaseKernel(3clc)

Decrements the kernel reference count.

## NAME

clReleaseKernel - Decrements the kernel reference count.

##

**cl\_int clReleaseKernel(cl\_kernel** *kernel***);**

## NOTES

The kernel object is deleted once the number of instances that are retained to *kernel* become zero and the kernel object is no longer needed by any enqueued commands that use *kernel*.

## ERRORS

Returns CL\_SUCCESS if the kernel objects are successfully alloctaed. Otherwise, it returns one of the following errors:

• CL\_INVALID\_KERNEL if *kernel* is not a valid kernel object.

• CL\_OUT\_OF\_RESOURCES if there is a failure to allocate resources required by the OpenCL implementation on the device.

• CL\_OUT\_OF\_HOST\_MEMORY if there is a failure to allocate resources required by the OpenCL implementation on the host.

## SPECIFICATION

**OpenCL Specification**\[1\]

## SEE ALSO

[**clCreateKernel**(3clc)](/clCreateKernel/3clc.md), [**clCreateKernelsInProgram**(3clc)](/clCreateKernelsInProgram/3clc.md), [**clRetainKernel**(3clc)](/clRetainKernel/3clc.md), [**clSetKernelArg**(3clc)](/clSetKernelArg/3clc.md), [**clGetKernelInfo**(3clc)](/clGetKernelInfo/3clc.md), [**clGetKernelWorkGroupInfo**(3clc)](/clGetKernelWorkGroupInfo/3clc.md)

## AUTHORS

**The Khronos Group**

## COPYRIGHT

Copyright © 2007-2011 The Khronos Group Inc.\
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.

## NOTES

- 1\.

  OpenCL Specification

  page 159, section 5.7.1 - Creating Kernel Objects