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cuda atomic inc

mrjakobdk answered on February 8, 2021 Popularity 7/10 Helpfulness 1/10

answer cuda atomic inc

cuda atomic inc

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unsigned int atomicInc(unsigned int* address,
                       unsigned int val);
//reads the 32-bit word old located at the address address in global or shared memory, 
//computes ((old >= val) ? 0 : (old+1)), 
//and stores the result back to memory at the same address. 
//These three operations are performed in one atomic transaction. 
//The function returns old.

//example of use
int idx = atomicInc(&array[i], n);

Popularity 7/10 Helpfulness 1/10 Language cpp

Source: docs.nvidia.com

Tags: atomic c++ cuda

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Contributed on Feb 08 2021

mrjakobdk

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