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MEM_FENCE(3clc) OpenCL Manual MEM_FENCE(3clc)

NAME

mem_fence - Orders loads and stores of a work-item executing a kernel.

void mem_fence(cl_mem_fence_flags flags);

DESCRIPTION

Orders loads and stores of a work-item executing a kernel. This means that loads and stores preceding the mem_fence will be committed to memory before any loads and stores following the mem_fence.

The flags argument specifies the memory address space and can be set to a combination of the following literal values: CLK_LOCAL_MEM_FENCE, CLK_GLOBAL_MEM_FENCE.

SPECIFICATION

OpenCL Specification[1]

SEE ALSO

explicitMemoryFenceFunctions(3clc)

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 275, section 6.12.9 - Explicit Memory Fence Functions
02/03/2019 The Khronos Group