libgomp.texi (Runitme Library Routines): Remove multiple @menu.
* libgomp.texi (Runitme Library Routines): Remove multiple @menu. (Environment Variables) Move OMP_PROC_BIND and OMP_STACKSIZE node texts according to their @menu entry positions. From-SVN: r210580
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Uros Bizjak
Uros Bizjak
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a9dd011283
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7283246061
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@ -1,3 +1,9 @@
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2014-05-18 Uros Bizjak <ubizjak@gmail.com>
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* libgomp.texi (Runitme Library Routines): Remove multiple @menu.
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(Environment Variables) Move OMP_PROC_BIND and OMP_STACKSIZE node
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texts according to their @menu entry positions.
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2014-05-11 Jakub Jelinek <jakub@redhat.com>
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* testsuite/libgomp.fortran/cancel-do-1.f90: New test.
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@ -130,10 +130,10 @@ The runtime routines described here are defined by Section 3 of the OpenMP
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specification in version 4.0. The routines are structured in following
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three parts:
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@menu
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Control threads, processors and the parallel environment. They have C
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linkage, and do not throw exceptions.
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@menu
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* omp_get_active_level:: Number of active parallel regions
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* omp_get_ancestor_thread_num:: Ancestor thread ID
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* omp_get_cancellation:: Whether cancellation support is enabled
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@ -162,11 +162,9 @@ linkage, and do not throw exceptions.
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* omp_set_nested:: Enable/disable nested parallel regions
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* omp_set_num_threads:: Set upper team size limit
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* omp_set_schedule:: Set the runtime scheduling method
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@end menu
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Initialize, set, test, unset and destroy simple and nested locks.
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@menu
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* omp_init_lock:: Initialize simple lock
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* omp_set_lock:: Wait for and set simple lock
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* omp_test_lock:: Test and set simple lock if available
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@ -177,11 +175,9 @@ Initialize, set, test, unset and destroy simple and nested locks.
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* omp_test_nest_lock:: Test and set nested lock if available
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* omp_unset_nest_lock:: Unset nested lock
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* omp_destroy_nest_lock:: Destroy nested lock
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@end menu
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Portable, thread-based, wall clock timer.
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@menu
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* omp_get_wtick:: Get timer precision.
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* omp_get_wtime:: Elapsed wall clock time.
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@end menu
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@ -1448,6 +1444,33 @@ level. If undefined one thread per CPU is used.
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@node OMP_PROC_BIND
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@section @env{OMP_PROC_BIND} -- Whether theads may be moved between CPUs
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@cindex Environment Variable
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@table @asis
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@item @emph{Description}:
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Specifies whether threads may be moved between processors. If set to
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@code{TRUE}, OpenMP theads should not be moved; if set to @code{FALSE}
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they may be moved. Alternatively, a comma separated list with the
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values @code{MASTER}, @code{CLOSE} and @code{SPREAD} can be used to specify
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the thread affinity policy for the corresponding nesting level. With
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@code{MASTER} the worker threads are in the same place partition as the
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master thread. With @code{CLOSE} those are kept close to the master thread
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in contiguous place partitions. And with @code{SPREAD} a sparse distribution
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across the place partitions is used.
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When undefined, @env{OMP_PROC_BIND} defaults to @code{TRUE} when
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@env{OMP_PLACES} or @env{GOMP_CPU_AFFINITY} is set and @code{FALSE} otherwise.
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@item @emph{See also}:
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@ref{OMP_PLACES}, @ref{GOMP_CPU_AFFINITY}, @ref{omp_get_proc_bind}
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@item @emph{Reference}:
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@uref{http://www.openmp.org/, OpenMP specification v4.0}, Section 4.4
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@end table
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@node OMP_PLACES
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@section @env{OMP_PLACES} -- Specifies on which CPUs the theads should be placed
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@cindex Environment Variable
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@ -1490,29 +1513,22 @@ between CPUs following no placement policy.
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@node OMP_PROC_BIND
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@section @env{OMP_PROC_BIND} -- Whether theads may be moved between CPUs
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@node OMP_STACKSIZE
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@section @env{OMP_STACKSIZE} -- Set default thread stack size
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@cindex Environment Variable
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@table @asis
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@item @emph{Description}:
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Specifies whether threads may be moved between processors. If set to
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@code{TRUE}, OpenMP theads should not be moved; if set to @code{FALSE}
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they may be moved. Alternatively, a comma separated list with the
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values @code{MASTER}, @code{CLOSE} and @code{SPREAD} can be used to specify
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the thread affinity policy for the corresponding nesting level. With
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@code{MASTER} the worker threads are in the same place partition as the
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master thread. With @code{CLOSE} those are kept close to the master thread
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in contiguous place partitions. And with @code{SPREAD} a sparse distribution
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across the place partitions is used.
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Set the default thread stack size in kilobytes, unless the number
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is suffixed by @code{B}, @code{K}, @code{M} or @code{G}, in which
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case the size is, respectively, in bytes, kilobytes, megabytes
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or gigabytes. This is different from @code{pthread_attr_setstacksize}
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which gets the number of bytes as an argument. If the stack size cannot
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be set due to system constraints, an error is reported and the initial
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stack size is left unchanged. If undefined, the stack size is system
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dependent.
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When undefined, @env{OMP_PROC_BIND} defaults to @code{TRUE} when
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@env{OMP_PLACES} or @env{GOMP_CPU_AFFINITY} is set and @code{FALSE} otherwise.
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@item @emph{See also}:
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@ref{OMP_PLACES}, @ref{GOMP_CPU_AFFINITY}, @ref{omp_get_proc_bind}
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@item @emph{Reference}:
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@uref{http://www.openmp.org/, OpenMP specification v4.0}, Section 4.4
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@item @emph{Reference}:
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@uref{http://www.openmp.org/, OpenMP specification v4.0}, Section 4.7
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@end table
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@ -1538,26 +1554,6 @@ dynamic scheduling and a chunk size of 1 is used.
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@node OMP_STACKSIZE
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@section @env{OMP_STACKSIZE} -- Set default thread stack size
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@cindex Environment Variable
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@table @asis
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@item @emph{Description}:
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Set the default thread stack size in kilobytes, unless the number
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is suffixed by @code{B}, @code{K}, @code{M} or @code{G}, in which
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case the size is, respectively, in bytes, kilobytes, megabytes
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or gigabytes. This is different from @code{pthread_attr_setstacksize}
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which gets the number of bytes as an argument. If the stack size cannot
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be set due to system constraints, an error is reported and the initial
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stack size is left unchanged. If undefined, the stack size is system
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dependent.
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@item @emph{Reference}:
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@uref{http://www.openmp.org/, OpenMP specification v4.0}, Section 4.7
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@end table
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@node OMP_THREAD_LIMIT
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@section @env{OMP_THREAD_LIMIT} -- Set the maximum number of threads
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@cindex Environment Variable
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