c++ - Call to ippsSortDescend_32f_I api hangs/doesnt return -


my application uses ipp library. using, ipp library version 6.1.6. due customer requirements cannot upgrade ipp library later versions.

i seeing weird behaviour in call ippssortdescend_32f_i api doesn't return/hangs. occurs intermittently(like 2 out of 10 runs). see non-responsive behaviour on linux & mac(haven't tried on windows).
every time call api, pass vector of floats. vector contains 2028 entries. verified entries in vector of type float , there no data type mismatch.
from doc, looks ippssortdescend_32f_i synchronous(not threaded) api.

if use c style quick sort instead of api, application works expected.
i not sure why call synchronous api not return/hang infintely.


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