What does the OpenCl function atomic_inc do ?

Question

[https://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/atomic_inc.html](https://www.khronos.org/registry/OpenCL/sdk/1.1/docs/man/xhtml/atomic_inc.html)

I have read lots but am having trouble making this crayola for myself.

In: Technology

Answer 1

It atomically increments a 32 bit value and stores it in the same location in memory. You’d want to atomically increment if you have multiple threads reading and writing to the same location. This makes sure that only one thread will increment at a time.