\(\newcommand{\W}[1]{ \; #1 \; }\) \(\newcommand{\R}[1]{ {\rm #1} }\) \(\newcommand{\B}[1]{ {\bf #1} }\) \(\newcommand{\D}[2]{ \frac{\partial #1}{\partial #2} }\) \(\newcommand{\DD}[3]{ \frac{\partial^2 #1}{\partial #2 \partial #3} }\) \(\newcommand{\Dpow}[2]{ \frac{\partial^{#1}}{\partial {#2}^{#1}} }\) \(\newcommand{\dpow}[2]{ \frac{ {\rm d}^{#1}}{{\rm d}\, {#2}^{#1}} }\)
old_max_num_threads¶
View page sourceSet Maximum Number of Threads for omp_alloc Allocator¶
Removed¶
This function has been removed from the CppAD API. Use the function thread_alloc::parallel_setup in its place.
Syntax¶
#
include <cppad/utility/omp_alloc.hpp>
omp_alloc::max_num_threads ( number )
Purpose¶
By default there is only one thread and all execution is in sequential mode (not parallel ).
number¶
The argument number has prototype
size_tnumber
It must be greater than zero and specifies the maximum number of OpenMP threads that will be active at one time.
Restrictions¶
This function must be called before the program enters parallel execution mode.