Write memory barrier that orders only stores.
void write_mem_fence(cl_mem_fence_flags flags);
Write memory barrier that orders only stores.
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.
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explicitMemoryFenceFunctions(3clc)
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OpenCL Specification
page 275, section 6.12.9 - Explicit Memory Fence Functions