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re PR libgomp/30540 (Document default value of implementation-dependent OpenMP settings)

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2007-01-29  Daniel Franke <franke.daniel@gmail.com>

        PR libgomp/30540
        * libgomp.texi: More about implementation-dependent settings.

From-SVN: r121360
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Daniel Franke 2007-01-30 16:16:30 -05:00 committed by Daniel Franke
parent 8370304d3e
commit 14734fc701
2 changed files with 32 additions and 5 deletions
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libgomp/ChangeLog
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@ -1,3 +1,8 @@
2007-01-29 Daniel Franke <franke.daniel@gmail.com>
PR libgomp/30540
* libgomp.texi: More about implementation-dependent settings.
2007-01-26 Tobias Burnus <burnus@net-b.de>
* testsuite/libgomp.fortran/fortran.exp: Support .f03 extension.

32
libgomp/libgomp.texi
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@ -175,6 +175,11 @@ This function returns @code{true} if enabled, @code{false} otherwise.
Here, @code{true} and @code{false} represent their language-specific
counterparts.
The dynamic team setting may be initialized at startup by the
@code{OMP_DYNAMIC} environment variable or at runtime using
@code{omp_set_dynamic}. If undefined, dynamic adjustment is
disabled by default.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
@item @emph{Prototype}: @tab @code{int omp_get_dynamic();}
@ -186,7 +191,7 @@ counterparts.
@end multitable
@item @emph{See also}:
@ref{omp_set_dynamic}
@ref{omp_set_dynamic}, @ref{OMP_DYNAMIC}
@item @emph{Reference}:
@uref{http://www.openmp.org/, OpenMP specifications v2.5}, section 3.2.8.
@ -228,6 +233,11 @@ This function returns @code{true} if nested parallel regions are
enabled, @code{false} otherwise. Here, @code{true} and @code{false}
represent their language-specific counterparts.
Nested parallel regions may be initialized at startup by the
@code{OMP_NESTED} environment variable or at runtime using
@code{omp_set_nested}. If undefined, nested parallel regions are
disabled by default.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
@item @emph{Prototype}: @tab @code{int omp_get_nested();}
@ -239,7 +249,7 @@ represent their language-specific counterparts.
@end multitable
@item @emph{See also}:
@ref{omp_set_nested}
@ref{omp_set_nested}, @ref{OMP_NESTED}
@item @emph{Reference}:
@uref{http://www.openmp.org/, OpenMP specifications v2.5}, section 3.2.10.
@ -276,6 +286,13 @@ Returns the number of processors online.
The number of threads in the current team. In a sequential section of
the program @code{omp_get_num_threads} returns 1.
The default team size may be initialized at startup by the
@code{OMP_NUM_THREADS} environment variable. At runtime, the size
of the current team may be set either by the @code{NUM_THREADS}
clause or by @code{omp_set_num_threads}. If none of the above were
used to define a specific value and @code{OMP_DYNAMIC} is disabled,
one thread per CPU online is used.
@item @emph{C/C++}:
@multitable @columnfractions .20 .80
@item @emph{Prototype}: @tab @code{int omp_get_num_threads();}
@ -799,6 +816,7 @@ extensions.
@node OMP_DYNAMIC
@section @env{OMP_DYNAMIC} -- Dynamic adjustment of threads
@cindex Environment Variable
@cindex Implementation specific setting
@table @asis
@item @emph{Description}:
Enable or disable the dynamic adjustment of the number of threads
@ -818,6 +836,7 @@ disabled by default.
@node OMP_NESTED
@section @env{OMP_NESTED} -- Nested parallel regions
@cindex Environment Variable
@cindex Implementation specific setting
@table @asis
@item @emph{Description}:
Enable or disable nested parallel regions, i. e. whether team members
@ -837,11 +856,12 @@ regions are disabled by default.
@node OMP_NUM_THREADS
@section @env{OMP_NUM_THREADS} -- Specifies the number of threads to use
@cindex Environment Variable
@cindex Implementation specific setting
@table @asis
@item @emph{Description}:
Specifies the number of threads to use in parallel regions. If undefined
one thread per CPU online is used. The value of this variable shall be
positive integer.
Specifies the default number of threads to use in parallel regions. The
value of this variable shall be positive integer. If undefined one thread
per CPU online is used.
@item @emph{See also}:
@ref{omp_set_num_threads}
@ -855,6 +875,7 @@ positive integer.
@node OMP_SCHEDULE
@section @env{OMP_SCHEDULE} -- How threads are scheduled
@cindex Environment Variable
@cindex Implementation specific setting
@table @asis
@item @emph{Description}:
Allows to specify @code{schedule type} and @code{chunk size}.
@ -889,6 +910,7 @@ GCC Patches Mailinglist}
@node GOMP_STACKSIZE
@section @env{GOMP_STACKSIZE} -- Set default thread stack size
@cindex Environment Variable
@cindex Implementation specific setting
@table @asis
@item @emph{Description}:
Set the default thread stack size in kilobytes. This is in opposition