When cuda driver will be unloaded in cuda program?

cheer37 · March 9, 2016, 4:59pm

I got an error because of calling cudaFreeHost after cuda driver unloaded.
so, i want know when cuda driver is unloaded in cuda project.
i am developing c project in visual studio.
Thanks.

Robert_Crovella · March 9, 2016, 5:19pm

did you call cudaFreeHost in a destructor?

cheer37 · March 9, 2016, 5:24pm

yes

Robert_Crovella · March 9, 2016, 5:35pm

Perhaps your destructor is also part of a class that is defined outside of main (static or at global scope)
Generally that can be troublesome.

Read here:

[url]c++ - cuda call fails in destructor - Stack Overflow

cheer37 · March 9, 2016, 5:51pm

Thanks for you help.
I will investigate more.