atomic_max - atomic_max functions.
int atomic_max(volatile global(3clc) int *p, int val);
unsigned int atomic_max(volatile global(3clc) unsigned int *p, unsigned int val);
int atomic_max(volatile local(3clc) int *p, int val);
unsigned int atomic_max(volatile local(3clc) unsigned int *p, unsigned int val);
Read the 32-bit value (referred to as old) stored at location pointed by p. Compute commonMax(3clc) (old, val) and store result at location pointed by p. The function returns old.
A 64-bit version of this function, atom_max(3clc), is enabled by cl_khr_int64_extended_atomics(3clc).
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- OpenCL Specification
|01/14/2021||The Khronos Group|